{"product_id":"halden-house-walnut-acoustic-wall-panel-270cm-x-110cm","title":"Halden House Walnut Acoustic Wall Panel - 270cm x 110cm","description":"\u003c!--\n================================================================================\n  HALDEN HOUSE — Walnut Acoustic Wall Panel 270 × 110 cm\n  v1.2 — Métricas em SI (cm\/m²\/mm) como unidade principal\n================================================================================\n--\u003e\n\u003cstyle\u003e\n.halden-pdp{--h-ink:#1a1410;--h-ink-soft:#4a3f37;--h-cream:#f5efe6;--h-cream-2:#efe8df;--h-taupe:#7a6a5a;--h-walnut:#5a3a22;--h-walnut-deep:#3a2e26;--h-gold:#b8915a;--h-line:#e3d9cc;--h-radius:14px;--h-radius-sm:8px;--h-shadow:0 8px 32px rgba(26,20,16,.08);--h-shadow-lg:0 16px 48px rgba(26,20,16,.12);font-family:-apple-system,BlinkMacSystemFont,'Inter','Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--h-ink);line-height:1.6;font-size:16px;width:100%;max-width:100%;box-sizing:border-box;overflow-x:hidden}\n.halden-pdp *,.halden-pdp *::before,.halden-pdp *::after{box-sizing:border-box;min-width:0}\n.halden-pdp img{display:block;width:100%;max-width:100%;height:auto;border-radius:var(--h-radius-sm)}\n.halden-pdp h2,.halden-pdp h3,.halden-pdp h4{font-family:'Playfair Display','Cormorant Garamond',Georgia,serif;font-weight:600;color:var(--h-ink);letter-spacing:-.01em;margin:0 0 .6em;overflow-wrap:break-word;word-break:normal}\n.halden-pdp h2{font-size:clamp(1.4rem,5vw,2.4rem);line-height:1.2}\n.halden-pdp h3{font-size:clamp(1.15rem,4vw,1.6rem);line-height:1.3}\n.halden-pdp h4{font-size:1rem;line-height:1.4}\n.halden-pdp p{margin:0 0 1em;color:var(--h-ink-soft);overflow-wrap:break-word}\n.halden-pdp .h-eyebrow{display:inline-block;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--h-walnut);font-weight:600;margin-bottom:.5em}\n\n\/* ===== HERO ===== *\/\n.halden-pdp .h-hero{background:linear-gradient(135deg,var(--h-cream) 0%,var(--h-cream-2) 100%);border-radius:var(--h-radius);padding:20px 18px;margin:20px 0 28px;border:1px solid var(--h-line);position:relative;overflow:hidden}\n.halden-pdp .h-hero::before{content:\"\";position:absolute;top:-40px;right:-40px;width:160px;height:160px;background:radial-gradient(circle,rgba(184,145,90,.15) 0%,transparent 70%);pointer-events:none}\n.halden-pdp .h-hero-grid{display:grid;grid-template-columns:1fr;gap:18px;align-items:center;position:relative;z-index:1}\n.halden-pdp .h-hero-text{order:2}\n.halden-pdp .h-hero-image{order:1;width:100%}\n.halden-pdp .h-hero-image img{width:100%;aspect-ratio:4\/3;object-fit:cover;border-radius:var(--h-radius);box-shadow:var(--h-shadow-lg)}\n.halden-pdp .h-hero h2{margin:.2em 0 .4em}\n.halden-pdp .h-hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:18px;border-top:1px solid var(--h-line);padding-top:16px}\n.halden-pdp .h-hero-stat{text-align:center;min-width:0}\n.halden-pdp .h-hero-stat strong{display:block;font-family:'Playfair Display',Georgia,serif;font-size:clamp(1.1rem,4vw,1.5rem);color:var(--h-walnut);line-height:1}\n.halden-pdp .h-hero-stat span{font-size:.65rem;letter-spacing:.04em;color:var(--h-ink-soft);text-transform:uppercase;margin-top:6px;display:block;line-height:1.3}\n\n\/* ===== TRUST ===== *\/\n.halden-pdp .h-trust{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:0 0 32px;padding:16px;background:#fff;border:1px solid var(--h-line);border-radius:var(--h-radius)}\n.halden-pdp .h-trust-item{display:flex;align-items:center;gap:10px;font-size:.8rem;color:var(--h-ink);font-weight:500;min-width:0}\n.halden-pdp .h-trust-icon{flex-shrink:0;width:32px;height:32px;border-radius:50%;background:var(--h-cream);display:grid;place-items:center;color:var(--h-walnut)}\n.halden-pdp .h-trust-item small{display:block;font-size:.68rem;color:var(--h-ink-soft);font-weight:400;margin-top:2px;line-height:1.3}\n.halden-pdp .h-trust-item \u003e div{min-width:0;overflow-wrap:break-word}\n\n\/* ===== GALLERY ===== *\/\n.halden-pdp .h-gallery{display:grid;grid-template-columns:1fr;gap:10px;margin:28px 0}\n.halden-pdp .h-gallery-main{position:relative;overflow:hidden;border-radius:var(--h-radius);box-shadow:var(--h-shadow);width:100%}\n.halden-pdp .h-gallery-main img{width:100%;aspect-ratio:16\/10;object-fit:cover;border-radius:0}\n.halden-pdp .h-gallery-caption{position:absolute;left:0;right:0;bottom:0;padding:14px 16px;background:linear-gradient(0deg,rgba(0,0,0,.7),transparent);color:#fff;font-size:.82rem;font-weight:500}\n.halden-pdp .h-gallery-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}\n.halden-pdp .h-gallery-thumbs img{width:100%;aspect-ratio:1\/1;object-fit:cover;border:1px solid var(--h-line);border-radius:var(--h-radius-sm)}\n\n\/* ===== SECTIONS ===== *\/\n.halden-pdp .h-section{margin:40px 0;padding:0}\n.halden-pdp .h-section-head{text-align:center;max-width:680px;margin:0 auto 28px;padding:0 4px}\n.halden-pdp .h-benefits{display:grid;grid-template-columns:1fr;gap:14px}\n.halden-pdp .h-benefit{background:#fff;border:1px solid var(--h-line);border-radius:var(--h-radius);padding:20px;transition:transform .25s ease,box-shadow .25s ease}\n.halden-pdp .h-benefit:hover{transform:translateY(-2px);box-shadow:var(--h-shadow)}\n.halden-pdp .h-benefit-num{font-family:'Playfair Display',Georgia,serif;font-size:1.8rem;color:var(--h-gold);line-height:1;margin-bottom:8px;font-weight:600}\n.halden-pdp .h-benefit h4{margin-bottom:6px}\n.halden-pdp .h-benefit p{font-size:.88rem;margin:0}\n\n\/* ===== COMPARE ===== *\/\n.halden-pdp .h-compare{background:var(--h-ink);color:#fff;border-radius:var(--h-radius);padding:24px 18px;margin:40px 0}\n.halden-pdp .h-compare h3{color:#fff}\n.halden-pdp .h-compare p{color:rgba(255,255,255,.78)}\n.halden-pdp .h-compare-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:20px}\n.halden-pdp .h-compare-card{padding:18px;border:1px solid rgba(255,255,255,.15);border-radius:var(--h-radius-sm);background:rgba(255,255,255,.03);min-width:0}\n.halden-pdp .h-compare-card.is-us{border-color:var(--h-gold);background:rgba(184,145,90,.1);position:relative;margin-top:10px}\n.halden-pdp .h-compare-card.is-us::before{content:\"HALDEN HOUSE\";position:absolute;top:-10px;left:14px;background:var(--h-gold);color:var(--h-ink);font-size:.62rem;font-weight:700;letter-spacing:.1em;padding:3px 10px;border-radius:4px}\n.halden-pdp .h-compare-card h4{color:#fff;margin-bottom:6px}\n.halden-pdp .h-compare-card .h-dim{font-family:'Playfair Display',Georgia,serif;font-size:1.3rem;color:var(--h-gold);margin:4px 0 10px}\n.halden-pdp .h-compare-card ul{list-style:none;padding:0;margin:0;font-size:.82rem;color:rgba(255,255,255,.85)}\n.halden-pdp .h-compare-card li{padding:4px 0;display:flex;gap:8px;align-items:flex-start}\n.halden-pdp .h-compare-card li::before{content:\"✓\";color:var(--h-gold);font-weight:bold;flex-shrink:0}\n.halden-pdp .h-compare-card.is-them li::before{content:\"−\";color:rgba(255,255,255,.45)}\n\n\/* ===== CALC ===== *\/\n.halden-pdp .h-calc{background:linear-gradient(135deg,var(--h-cream) 0%,#fff 100%);border:1px solid var(--h-line);border-radius:var(--h-radius);padding:22px 18px;margin:40px 0}\n.halden-pdp .h-calc-inputs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:16px 0}\n.halden-pdp .h-calc label{display:block;font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;color:var(--h-ink-soft);margin-bottom:6px;font-weight:600}\n.halden-pdp .h-calc input{width:100%;padding:11px 12px;border:1.5px solid var(--h-line);border-radius:var(--h-radius-sm);font-size:1rem;font-family:inherit;background:#fff;color:var(--h-ink);transition:border-color .2s}\n.halden-pdp .h-calc input:focus{outline:none;border-color:var(--h-walnut)}\n.halden-pdp .h-calc-result{background:var(--h-walnut);color:#fff;border-radius:var(--h-radius-sm);padding:16px 18px;margin-top:14px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}\n.halden-pdp .h-calc-result-label{font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;opacity:.85}\n.halden-pdp .h-calc-result-value{font-family:'Playfair Display',Georgia,serif;font-size:1.8rem;line-height:1;font-weight:600}\n.halden-pdp .h-calc-result small{display:block;font-size:.72rem;opacity:.8;margin-top:4px;font-family:inherit;line-height:1.4}\n.halden-pdp .h-calc-note{font-size:.72rem;color:var(--h-ink-soft);margin-top:14px;font-style:italic;line-height:1.5}\n\n\/* ===== INSTALL ===== *\/\n.halden-pdp .h-video{position:relative;border-radius:var(--h-radius);overflow:hidden;box-shadow:var(--h-shadow);background:#000;aspect-ratio:16\/9;margin:20px 0;width:100%}\n.halden-pdp .h-video iframe,.halden-pdp .h-video video{width:100%;height:100%;border:0;display:block}\n.halden-pdp .h-install-steps{display:grid;grid-template-columns:1fr;gap:12px;margin-top:20px;counter-reset:step}\n.halden-pdp .h-step{display:flex;gap:14px;padding:14px;background:#fff;border:1px solid var(--h-line);border-radius:var(--h-radius-sm);min-width:0}\n.halden-pdp .h-step-num{counter-increment:step;flex-shrink:0;width:34px;height:34px;background:var(--h-walnut);color:#fff;border-radius:50%;display:grid;place-items:center;font-family:'Playfair Display',Georgia,serif;font-size:1rem;font-weight:600}\n.halden-pdp .h-step-num::before{content:counter(step)}\n.halden-pdp .h-step \u003e div:last-child{min-width:0;flex:1}\n.halden-pdp .h-step h4{margin-bottom:4px;font-size:.95rem}\n.halden-pdp .h-step p{margin:0;font-size:.85rem}\n\n\/* ===== SPECS ===== *\/\n.halden-pdp .h-specs{background:#fff;border:1px solid var(--h-line);border-radius:var(--h-radius);overflow:hidden;margin:20px 0}\n.halden-pdp .h-specs-row{display:grid;grid-template-columns:1fr 1.4fr;gap:0;border-bottom:1px solid var(--h-line);font-size:.85rem}\n.halden-pdp .h-specs-row:last-child{border-bottom:0}\n.halden-pdp .h-specs-row dt{padding:12px 14px;background:var(--h-cream);font-weight:600;color:var(--h-ink);font-size:.75rem;letter-spacing:.03em;text-transform:uppercase;border-right:1px solid var(--h-line);overflow-wrap:break-word}\n.halden-pdp .h-specs-row dd{padding:12px 14px;margin:0;color:var(--h-ink-soft);overflow-wrap:break-word}\n\n\/* ===== FAQ ===== *\/\n.halden-pdp .h-faq{margin:20px 0}\n.halden-pdp .h-faq details{background:#fff;border:1px solid var(--h-line);border-radius:var(--h-radius-sm);margin-bottom:8px;overflow:hidden;transition:box-shadow .2s}\n.halden-pdp .h-faq details[open]{box-shadow:var(--h-shadow)}\n.halden-pdp .h-faq summary{padding:14px 46px 14px 16px;font-weight:600;color:var(--h-ink);cursor:pointer;position:relative;list-style:none;font-size:.9rem;line-height:1.4}\n.halden-pdp .h-faq summary::-webkit-details-marker{display:none}\n.halden-pdp .h-faq summary::after{content:\"+\";position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:1.4rem;font-weight:300;color:var(--h-walnut);transition:transform .2s}\n.halden-pdp .h-faq details[open] summary::after{content:\"−\"}\n.halden-pdp .h-faq-body{padding:0 16px 16px;color:var(--h-ink-soft);font-size:.86rem;line-height:1.6}\n\n\/* ===== REVIEWS ===== *\/\n.halden-pdp .h-reviews-wrap{margin:40px 0;padding:26px 18px;background:var(--h-cream);border-radius:var(--h-radius);text-align:center}\n.halden-pdp .h-reviews-stars{font-size:1.3rem;color:var(--h-gold);letter-spacing:.1em;margin-bottom:8px}\n\n\/* ===== CLOSING ===== *\/\n.halden-pdp .h-closing{background:linear-gradient(135deg,var(--h-walnut-deep) 0%,var(--h-walnut) 100%);color:#fff;border-radius:var(--h-radius);padding:28px 20px;text-align:center;margin:40px 0 20px}\n.halden-pdp .h-closing h3{color:#fff}\n.halden-pdp .h-closing p{color:rgba(255,255,255,.85);max-width:520px;margin:0 auto 20px}\n.halden-pdp .h-closing-meta{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:18px;font-size:.75rem;color:rgba(255,255,255,.8)}\n\n\/* ===== BREAKPOINTS ===== *\/\n@media (min-width:600px){\n  .halden-pdp .h-hero{padding:28px 24px}\n  .halden-pdp .h-hero-stats{gap:12px}\n  .halden-pdp .h-trust{grid-template-columns:repeat(4,1fr)}\n  .halden-pdp .h-gallery{grid-template-columns:2fr 1fr;gap:12px}\n  .halden-pdp .h-gallery-thumbs{grid-template-columns:1fr;grid-template-rows:repeat(3,1fr)}\n  .halden-pdp .h-gallery-thumbs img{aspect-ratio:auto;height:100%}\n  .halden-pdp .h-benefits{grid-template-columns:repeat(2,1fr)}\n  .halden-pdp .h-compare{padding:32px 24px}\n  .halden-pdp .h-compare-grid{grid-template-columns:1fr 1fr}\n  .halden-pdp .h-compare-card.is-us{margin-top:0}\n  .halden-pdp .h-calc{padding:28px 24px}\n  .halden-pdp .h-closing{padding:36px 24px}\n}\n@media (min-width:900px){\n  .halden-pdp .h-hero-grid{grid-template-columns:1.2fr 1fr;gap:32px}\n  .halden-pdp .h-hero-text{order:1}\n  .halden-pdp .h-hero-image{order:2}\n  .halden-pdp .h-hero-image img{aspect-ratio:4\/5}\n  .halden-pdp .h-benefits{grid-template-columns:repeat(3,1fr)}\n  .halden-pdp .h-specs-row{font-size:.92rem}\n}\n\u003c\/style\u003e\n\u003cdiv class=\"halden-pdp\"\u003e\n\u003csection class=\"h-hero\"\u003e\n\u003cdiv class=\"h-hero-grid\"\u003e\n\u003cdiv class=\"h-hero-image\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0989\/1056\/8728\/files\/7zHV0XkX.png?v=1781747821\" alt=\"Walnut acoustic wall panel in a luxury American living room — Halden House\" loading=\"eager\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"h-hero-text\"\u003e\n\u003cspan class=\"h-eyebrow\"\u003e★ Signature Collection · Crafted for American Homes\u003c\/span\u003e\n\u003ch2\u003eWalnut Acoustic Wall Panel — XL 270 × 110 cm\u003c\/h2\u003e\n\u003cp\u003eA single panel that transforms an entire wall. Real walnut wood veneer, 3-sided finish, black acoustic felt backing. Engineered for media walls, home offices, and luxury feature walls — quietly, beautifully, in one fit.\u003c\/p\u003e\n\u003cp style=\"font-size: .82rem; color: var(--h-walnut); font-weight: 600; margin-top: 8px;\"\u003eFree U.S. Shipping · 30-Day Returns · In stock \u0026amp; ships within 48 hours\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"h-hero-stats\"\u003e\n\u003cdiv class=\"h-hero-stat\"\u003e\n\u003cstrong\u003e2.97 m²\u003c\/strong\u003e\u003cspan\u003eCoverage\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"h-hero-stat\"\u003e\n\u003cstrong\u003e0.30 α\u003c\/strong\u003e\u003cspan\u003eSound Absorption\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"h-hero-stat\"\u003e\n\u003cstrong\u003e22 mm\u003c\/strong\u003e\u003cspan\u003eSlim Depth\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"h-trust\"\u003e\n\u003cdiv class=\"h-trust-item\"\u003e\n\u003cspan class=\"h-trust-icon\"\u003e\u003csvg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M1 3h15v13H1z\"\u003e\u003c\/path\u003e\u003cpath d=\"M16 8h4l3 3v5h-7V8z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"5.5\" cy=\"18.5\" r=\"2.5\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"18.5\" cy=\"18.5\" r=\"2.5\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003c\/span\u003e\n\u003cdiv\u003eFREE U.S. Shipping\u003csmall\u003eShips in 48 hours\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"h-trust-item\"\u003e\n\u003cspan class=\"h-trust-icon\"\u003e\u003csvg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"1 4 1 10 7 10\"\u003e\u003c\/polyline\u003e\u003cpath d=\"M3.51 15a9 9 0 1 0 2.13-9.36L1 10\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\n\u003cdiv\u003e30-Day Returns\u003csmall\u003eHassle-free policy\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"h-trust-item\"\u003e\n\u003cspan class=\"h-trust-icon\"\u003e\u003csvg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\n\u003cdiv\u003eSustainable\u003csmall\u003eFSC-aligned veneer\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"h-trust-item\"\u003e\n\u003cspan class=\"h-trust-icon\"\u003e\u003csvg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003crect x=\"3\" y=\"11\" width=\"18\" height=\"11\" rx=\"2\"\u003e\u003c\/rect\u003e\u003cpath d=\"M7 11V7a5 5 0 0 1 10 0v4\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\n\u003cdiv\u003eSecure Checkout\u003csmall\u003eSSL · Apple Pay · Shop Pay\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"h-gallery\"\u003e\n\u003cdiv class=\"h-gallery-main\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0989\/1056\/8728\/files\/04-after.jpg?v=1781747820\" alt=\"Walnut acoustic panel feature wall behind a modern sofa\" loading=\"lazy\"\u003e\n\u003cdiv class=\"h-gallery-caption\"\u003eA single 270 × 110 cm panel — covering nearly 2.97 m² of feature wall in one elegant fitting.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"h-gallery-thumbs\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0989\/1056\/8728\/files\/9IYQq0J5.png?v=1781747820\" alt=\"Walnut panel behind a wall-mounted TV in a media room\" loading=\"lazy\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0989\/1056\/8728\/files\/TTiFaCS0.webp?v=1781748007\" alt=\"Walnut acoustic panel in a home office workspace\" loading=\"lazy\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0989\/1056\/8728\/files\/hfNwJ9Hf.webp?v=1781748007\" alt=\"Close-up texture of walnut wood veneer slats\" loading=\"lazy\"\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"h-section\"\u003e\n\u003cdiv class=\"h-section-head\"\u003e\n\u003cspan class=\"h-eyebrow\"\u003eWhy our XL panel changes everything\u003c\/span\u003e\n\u003ch2\u003eOne panel. A whole wall. Zero compromise.\u003c\/h2\u003e\n\u003cp\u003eMost acoustic panels come in 240 × 60 cm — meaning 3–4 panels and 3–4 visible joins to cover a single feature wall. Our XL 270 × 110 cm format delivers more than double the coverage in a single fitting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"h-benefits\"\u003e\n\u003carticle class=\"h-benefit\"\u003e\n\u003cdiv class=\"h-benefit-num\"\u003e01\u003c\/div\u003e\n\u003ch4\u003eTwice the coverage\u003c\/h4\u003e\n\u003cp\u003eAt 2.97 m² per panel, one of ours replaces two standard 240 × 60 cm panels — fewer joins, faster installation, a cleaner look.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"h-benefit\"\u003e\n\u003cdiv class=\"h-benefit-num\"\u003e02\u003c\/div\u003e\n\u003ch4\u003eReal walnut veneer\u003c\/h4\u003e\n\u003cp\u003eThree-sided natural wood veneer over engineered MDF. Authentic grain, deep walnut tone — not vinyl print, not foam.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"h-benefit\"\u003e\n\u003cdiv class=\"h-benefit-num\"\u003e03\u003c\/div\u003e\n\u003ch4\u003eQuieter rooms, by design\u003c\/h4\u003e\n\u003cp\u003eBlack acoustic felt backing absorbs reverberation (α 0.30). Ideal for media walls, home offices, and open-plan living.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"h-benefit\"\u003e\n\u003cdiv class=\"h-benefit-num\"\u003e04\u003c\/div\u003e\n\u003ch4\u003eEffortless installation\u003c\/h4\u003e\n\u003cp\u003eLightweight, easy-cut MDF core. Fix with construction adhesive or 38 mm black drywall screws. Interlocking felt edges hide the joins.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"h-benefit\"\u003e\n\u003cdiv class=\"h-benefit-num\"\u003e05\u003c\/div\u003e\n\u003ch4\u003eWall or ceiling\u003c\/h4\u003e\n\u003cp\u003eRun vertically, horizontally, or overhead. Suitable for drywall, brick, concrete, and wood furring strips.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"h-benefit\"\u003e\n\u003cdiv class=\"h-benefit-num\"\u003e06\u003c\/div\u003e\n\u003ch4\u003eBuilt to last\u003c\/h4\u003e\n\u003cp\u003eDurable MDF core, fade-resistant veneer, batch-matched in our U.S. warehouse for consistent grain across orders.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"h-compare\"\u003e\n\u003ch3\u003eWhy settle for a standard 240 × 60 cm panel?\u003c\/h3\u003e\n\u003cp\u003eThe market is full of small acoustic panels that force you to buy 3, 4, even 5 units to cover a single wall — each with a visible vertical join. Here is the difference.\u003c\/p\u003e\n\u003cdiv class=\"h-compare-grid\"\u003e\n\u003cdiv class=\"h-compare-card is-us\"\u003e\n\u003ch4\u003eHalden House XL Panel\u003c\/h4\u003e\n\u003cdiv class=\"h-dim\"\u003e270 × 110 cm\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e2.97 m² coverage in one panel\u003c\/li\u003e\n\u003cli\u003eReal walnut veneer · 3-sided finish\u003c\/li\u003e\n\u003cli\u003eFelt backing for acoustic absorption\u003c\/li\u003e\n\u003cli\u003eFewer joins → cleaner feature wall\u003c\/li\u003e\n\u003cli\u003eFree U.S. shipping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"h-compare-card is-them\"\u003e\n\u003ch4\u003eStandard Acoustic Panel\u003c\/h4\u003e\n\u003cdiv class=\"h-dim\"\u003e240 × 60 cm\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eOnly 1.44 m² — needs 2× more units\u003c\/li\u003e\n\u003cli\u003eOften printed laminate, not real veneer\u003c\/li\u003e\n\u003cli\u003eVisible joins every 60 cm\u003c\/li\u003e\n\u003cli\u003eHeavier total install time\u003c\/li\u003e\n\u003cli\u003eShipping often charged on small orders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"h-calc\"\u003e\u003cspan class=\"h-eyebrow\"\u003eSizing tool\u003c\/span\u003e\n\u003ch3\u003eHow many panels for your wall?\u003c\/h3\u003e\n\u003cp\u003eEnter your wall dimensions and we'll calculate the exact number of Halden House XL panels needed — including a 5% safety cut.\u003c\/p\u003e\n\u003cdiv class=\"h-calc-inputs\"\u003e\n\u003cdiv\u003e\n\u003clabel for=\"h-calc-w\"\u003eWall width (cm)\u003c\/label\u003e\u003cinput id=\"h-calc-w\" type=\"number\" inputmode=\"decimal\" min=\"50\" max=\"2000\" placeholder=\"e.g. 400\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003clabel for=\"h-calc-h\"\u003eWall height (cm)\u003c\/label\u003e\u003cinput id=\"h-calc-h\" type=\"number\" inputmode=\"decimal\" min=\"50\" max=\"500\" placeholder=\"e.g. 250\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"h-calc-result\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"h-calc-result-label\"\u003eRecommended panels\u003c\/div\u003e\n\u003csmall id=\"h-calc-area\"\u003eEnter dimensions to calculate\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"h-calc-result-value\" id=\"h-calc-qty\"\u003e—\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"h-calc-note\"\u003e* Calculation based on 1 panel = 2.97 m² (270 × 110 cm), includes 5% allowance for trimming. For best fit, order samples before committing to a large project.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003cscript\u003e\n  (function(){\n    var w=document.getElementById('h-calc-w'),h=document.getElementById('h-calc-h'),qty=document.getElementById('h-calc-qty'),area=document.getElementById('h-calc-area');\n    if(!w||!h||!qty||!area)return;\n    var P=2.97;\n    function c(){var ww=parseFloat(w.value),hh=parseFloat(h.value);if(!ww||!hh||ww\u003c=0||hh\u003c=0){qty.textContent='—';area.textContent='Enter dimensions to calculate';return;}var m2=(ww*hh)\/10000,n=Math.ceil((m2*1.05)\/P);qty.textContent=n;area.textContent='Wall area: '+m2.toFixed(2)+' m² · covers '+(n*P).toFixed(2)+' m² with 5% spare';}\n    w.addEventListener('input',c);h.addEventListener('input',c);\n  })();\n  \u003c\/script\u003e\n\u003csection class=\"h-section\"\u003e\n\u003cdiv class=\"h-section-head\"\u003e\n\u003cspan class=\"h-eyebrow\"\u003eInstallation\u003c\/span\u003e\n\u003ch2\u003eUp in an afternoon. Looks like it took a week.\u003c\/h2\u003e\n\u003cp\u003eNo specialist tools, no contractor required. Watch the 90-second guide, then follow the four-step process below.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"h-video\"\u003e\n\u003cdiv style=\"width: 100%; height: 100%; background: linear-gradient(135deg,#3a2e26 0%,#5a3a22 100%); display: grid; place-items: center; color: #f5efe6; text-align: center; padding: 20px;\"\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"font-family: 'Playfair Display',Georgia,serif; font-size: 1.5rem; margin-bottom: 8px; color: #b8915a;\"\u003e▶\u003c\/div\u003e\n\u003cdiv style=\"font-family: 'Playfair Display',Georgia,serif; font-size: 1.2rem; margin-bottom: 6px;\"\u003eInstallation Guide — 90 seconds\u003c\/div\u003e\n\u003cdiv style=\"font-size: .8rem; opacity: .8; max-width: 340px;\"\u003eFollow the four steps below — no specialist tools required. Most homeowners complete a single feature wall in 2 to 3 hours.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"h-install-steps\"\u003e\n\u003cdiv class=\"h-step\"\u003e\n\u003cdiv class=\"h-step-num\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch4\u003eMeasure \u0026amp; mark\u003c\/h4\u003e\n\u003cp\u003eUse a tape measure and spirit level. Mark vertical guidelines on a dry, dust-free wall (brick, drywall, concrete, or furring strips).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"h-step\"\u003e\n\u003cdiv class=\"h-step-num\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch4\u003eCut to size\u003c\/h4\u003e\n\u003cp\u003eIf trimming, use a fine-toothed handsaw across the slats and a sharp utility knife to slice the felt. Always wear a dust mask and safety goggles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"h-step\"\u003e\n\u003cdiv class=\"h-step-num\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch4\u003eFix to the wall\u003c\/h4\u003e\n\u003cp\u003eApply high-grab construction adhesive in a zig-zag pattern, or use 38 mm black drywall screws through the felt at 200 mm intervals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"h-step\"\u003e\n\u003cdiv class=\"h-step-num\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch4\u003eFinish the edges\u003c\/h4\u003e\n\u003cp\u003eSlot the next panel's felt lip beneath the previous slat — joins disappear. Finish exposed edges with a matching walnut end trim.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"h-section\"\u003e\n\u003cdiv class=\"h-section-head\"\u003e\n\u003cspan class=\"h-eyebrow\"\u003eFull Specification\u003c\/span\u003e\n\u003ch2\u003eEvery dimension. Every detail.\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"h-specs-row\"\u003ePanel size2700 mm (H) × 1100 mm (W) — 270 × 110 cm — covers 2.97 m²\u003c\/div\u003e\n\u003cdiv class=\"h-specs-row\"\u003eDepth22 mm (13 mm MDF core + 9 mm acoustic felt)\u003c\/div\u003e\n\u003cdiv class=\"h-specs-row\"\u003eSlat width27 mm\u003c\/div\u003e\n\u003cdiv class=\"h-specs-row\"\u003eRecess width13 mm\u003c\/div\u003e\n\u003cdiv class=\"h-specs-row\"\u003eMaterialMDF core with real wood veneer + black acoustic felt\u003c\/div\u003e\n\u003cdiv class=\"h-specs-row\"\u003eFinish3-sided walnut wood veneer, fine grain\u003c\/div\u003e\n\u003cdiv class=\"h-specs-row\"\u003eSound absorptionα 0.30 (improves on 45 mm furring strips with mineral wool)\u003c\/div\u003e\n\u003cdiv class=\"h-specs-row\"\u003eFixingsHigh-grab construction adhesive OR 38 mm black drywall screws\u003c\/div\u003e\n\u003cdiv class=\"h-specs-row\"\u003eSuitable forInterior walls \u0026amp; ceilings. Not for bathrooms \/ damp areas \/ outdoors.\u003c\/div\u003e\n\u003cdiv class=\"h-specs-row\"\u003eMaintenanceDust with a soft, dry, lint-free cloth. No moisture.\u003c\/div\u003e\n\u003cdiv class=\"h-specs-row\"\u003ePack size1 panel per order line\u003c\/div\u003e\n\u003cdiv class=\"h-specs-row\"\u003eOrigin \u0026amp; batchStocked in the U.S. · batch numbers printed on packaging\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"h-section\"\u003e\n\u003cdiv class=\"h-section-head\"\u003e\n\u003cspan class=\"h-eyebrow\"\u003eFAQ\u003c\/span\u003e\n\u003ch2\u003eEverything U.S. buyers ask before clicking buy.\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"h-faq\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/FAQPage\"\u003e\n\u003cdetails itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003csummary itemprop=\"name\"\u003eHow does one panel cover a whole wall?\u003c\/summary\u003e\n\u003cdiv class=\"h-faq-body\" itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003eOur panel measures 270 cm tall × 110 cm wide — that is 2.97 m² in a single piece. A standard American living-room feature wall (around 3 m wide × 2.5 m tall = 7.5 m²) typically needs just \u003cstrong\u003e3 of our panels\u003c\/strong\u003e versus 6–7 standard 240 × 60 cm panels. Fewer joins, faster install, cleaner finish.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003csummary itemprop=\"name\"\u003eIs shipping really free across the U.S.?\u003c\/summary\u003e\n\u003cdiv class=\"h-faq-body\" itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003eYes — shipping to the contiguous 48 states is free on every panel. Alaska, Hawaii, Puerto Rico, and U.S. territories incur a small surcharge calculated at checkout. We dispatch within 48 hours and most orders arrive within 3–7 business days.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003csummary itemprop=\"name\"\u003eWill it actually reduce noise — or is it just decorative?\u003c\/summary\u003e\n\u003cdiv class=\"h-faq-body\" itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003eBoth. The black felt backing provides a sound absorption coefficient of α 0.30, which softens echo and reverberation — perfect for media walls, home offices, and open-plan rooms. For studio-grade absorption, install on 45 mm furring strips with mineral-wool infill and the rating rises significantly.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003csummary itemprop=\"name\"\u003eCan I cut the panel to fit my wall?\u003c\/summary\u003e\n\u003cdiv class=\"h-faq-body\" itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003eAbsolutely. Use a fine-toothed handsaw across the wooden slats and a sharp utility knife to slice the felt cleanly. The felt lip on one edge is designed to interlock with the next panel — so trim from the opposite side to preserve invisible joins.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003csummary itemprop=\"name\"\u003eIs it suitable for bathrooms or kitchens?\u003c\/summary\u003e\n\u003cdiv class=\"h-faq-body\" itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003eNot for bathrooms, shower areas, or any damp\/humid environment — the MDF core and felt are not waterproof. Kitchens are fine away from sinks and ranges (avoid direct steam and water splash zones).\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003csummary itemprop=\"name\"\u003eCan I install over wallpaper?\u003c\/summary\u003e\n\u003cdiv class=\"h-faq-body\" itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003eYes — but use 38 mm black drywall screws into the substrate behind the wallpaper. Adhesive on wallpaper is unreliable, as wallpaper paste cannot guarantee the bond strength needed for the panel weight.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003csummary itemprop=\"name\"\u003eWhat if I'm not happy with the order?\u003c\/summary\u003e\n\u003cdiv class=\"h-faq-body\" itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003eInspect on delivery — any damage or defect should be reported within 30 days. Unused panels in original packaging can be returned within 30 days of receipt for a full refund.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003csummary itemprop=\"name\"\u003eAre the panels FSC \/ sustainably sourced?\u003c\/summary\u003e\n\u003cdiv class=\"h-faq-body\" itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003eYes. The wood veneers are sourced from responsibly managed forests aligned with FSC chain-of-custody standards. The MDF core uses CARB Phase 2 \/ TSCA Title VI low-emission resin.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"h-reviews-wrap\"\u003e\n\u003cdiv class=\"h-reviews-stars\"\u003e★★★★★\u003c\/div\u003e\n\u003ch3 style=\"margin: .2em 0;\"\u003eReal reviews from American homeowners\u003c\/h3\u003e\n\u003cp\u003eVerified buyers across the United States.\u003c\/p\u003e\n\u003cdiv id=\"judgeme_product_reviews\" class=\"jdgm-widget jdgm-review-widget\" style=\"margin-top: 24px; text-align: left;\"\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"h-closing\"\u003e\u003cspan class=\"h-eyebrow\" style=\"color: var(--h-gold);\"\u003eReady when you are\u003c\/span\u003e\n\u003ch3\u003eOne panel. One wall. One quiet upgrade.\u003c\/h3\u003e\n\u003cp\u003eScroll back to the top and add your Walnut Acoustic Panel to the cart. We'll ship within 48 hours, U.S. shipping is on us, and you'll have a designer feature wall by the weekend.\u003c\/p\u003e\n\u003cdiv class=\"h-closing-meta\"\u003e\n\u003cspan\u003e★ Free U.S. Shipping\u003c\/span\u003e\u003cspan\u003e★ 30-Day Returns\u003c\/span\u003e\u003cspan\u003e★ Ships in 48 hours\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"My Store","offers":[{"title":"Walnut","offer_id":52298705994008,"sku":null,"price":7.0,"currency_code":"USD","in_stock":true},{"title":"Oak","offer_id":52298706026776,"sku":null,"price":7.0,"currency_code":"USD","in_stock":true},{"title":"Smoked Oak","offer_id":52298706059544,"sku":null,"price":7.0,"currency_code":"USD","in_stock":true},{"title":"Grey Oak","offer_id":52298706092312,"sku":null,"price":7.0,"currency_code":"USD","in_stock":true},{"title":"Black Oak","offer_id":52298706125080,"sku":null,"price":7.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/1056\/8728\/files\/k09EkYHo_60b5f483-b647-470e-8b42-eb029a60c6a7.jpg?v=1781747820","url":"https:\/\/haldenhouse.com\/products\/halden-house-walnut-acoustic-wall-panel-270cm-x-110cm","provider":"Halden House","version":"1.0","type":"link"}