{"product_id":"standard-hardboard-panel-4-ft-x-8-ft","title":"Standard Hardboard Panel, 4 ft x 8 ft","description":"\u003cstyle\u003e\n.pb-wrap{--pb-line:#e1e3e5;--pb-head:#f6f6f7;max-width:100%}\n.pb-wrap .pb-intro{margin-bottom:20px}\n.pb-acc{border:1px solid var(--pb-line);border-radius:8px;margin:0 0 8px;overflow:hidden}\n.pb-acc\u003esummary{cursor:pointer;padding:14px 16px;font-weight:600;line-height:1.35;\n list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}\n.pb-acc\u003esummary::-webkit-details-marker{display:none}\n.pb-acc\u003esummary::marker{content:\"\"}\n.pb-acc\u003esummary::after{content:\"+\";font-size:22px;font-weight:400;line-height:1;flex:0 0 auto}\n.pb-acc[open]\u003esummary::after{content:\"\\2212\"}\n.pb-acc[open]\u003esummary{border-bottom:1px solid var(--pb-line);background:var(--pb-head)}\n.pb-acc\u003esummary:hover{background:var(--pb-head)}\n.pb-acc .pb-body{padding:16px}\n.pb-acc .pb-body\u003e:first-child{margin-top:0}\n.pb-acc .pb-body\u003e:last-child{margin-bottom:0}\n.pb-q{border:0;border-bottom:1px solid var(--pb-line);border-radius:0;margin:0}\n.pb-q:last-child{border-bottom:0}\n.pb-q\u003esummary{padding:12px 0;font-weight:600}\n.pb-q[open]\u003esummary{background:transparent;border-bottom:0}\n.pb-q\u003esummary:hover{background:transparent;text-decoration:underline}\n.pb-q .pb-body{padding:0 0 12px}\n.pb-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}\n.pb-table{width:100%;border-collapse:collapse;font-size:14px;min-width:380px}\n.pb-table th,.pb-table td{border:1px solid var(--pb-line);padding:8px 10px;\n text-align:left;vertical-align:top}\n.pb-table thead th{background:var(--pb-head)}\n.pb-table caption{caption-side:top;text-align:left;font-weight:600;padding:0 0 8px}\n.pb-note{font-size:13px;opacity:.75;margin-top:16px}\n.pb-wrap a{color:#3b82f6}\n.pb-wrap a:hover{color:#2563eb}\n\u003c\/style\u003e\u003cdiv class=\"pb-wrap\"\u003e\n\u003ch2\u003eStandard Hardboard Panel, 4 ft x 8 ft\u003c\/h2\u003e\n\u003cdiv class=\"pb-intro\"\u003e\n\u003cp\u003eStandard Hardboard, also known as Fibrex, is a smooth, grain-free HDF panel with uniform thickness and density. It cuts, glues and fastens like a thin sheet good, and the face takes paint without grain or knots showing through.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInterior use only.\u003c\/strong\u003e Standard hardboard is not fire retardant and is not a structural or exterior sheathing panel. Choose 1\/8 in. for backs and paneling, 1\/4 in. where you need a stiffer sheet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eFeatures and Common Uses\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003cul\u003e\n\u003cli\u003eSmooth surface free of common wood defects, with uniform thickness, density and appearance and no grain\u003c\/li\u003e\n\u003cli\u003eResists marring, scuffing, abrasion and changes in temperature and humidity\u003c\/li\u003e\n\u003cli\u003eGlues, or fastens with screws, staples or nails\u003c\/li\u003e\n\u003cli\u003eCuts and paints cleanly for finished panels\u003c\/li\u003e\n\u003cli\u003eNot fire retardant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCommonly used for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWall paneling and interior trim panels\u003c\/li\u003e\n\u003cli\u003eUnderlayment\u003c\/li\u003e\n\u003cli\u003eFurniture components, fixtures and cabinet backs\u003c\/li\u003e\n\u003cli\u003ePerforated boards, toys and general shop projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eSpecifications\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003cdiv class=\"pb-scroll\"\u003e\u003ctable class=\"pb-table\"\u003e\n\u003ccaption\u003eProduct Specifications\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eProduct\u003c\/th\u003e\n\u003ctd\u003eStandard Hardboard Panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eHDF (high-density fiberboard) hardboard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePanel size\u003c\/th\u003e\n\u003ctd\u003e4 ft x 8 ft (nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e1\/8 in. or 1\/4 in. (nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSurface\u003c\/th\u003e\n\u003ctd\u003eSmooth, no grain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFire retardant\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eFrequently Asked Questions\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eWhich thickness should I choose?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eUse 1\/8 in. for cabinet and drawer backs, paneling and underlayment over a flat base. Use 1\/4 in. when the panel spans an open area or needs more stiffness.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eCan I use it outdoors?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eNo. Standard hardboard is an interior product. Use an exterior-rated sheet for anything exposed to weather.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eHow do I fasten it?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eGlue it, or fasten with screws, staples or nails. Support the panel on a continuous or closely spaced backing, since a thin sheet flexes between fasteners.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eIs it fire retardant?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eNo. Standard hardboard is not fire retardant.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Product\",\"@id\":\"https:\/\/griffbuildingsupplies.com\/products\/standard-hardboard-panel-4-ft-x-8-ft#product\",\"name\":\"Standard Hardboard Panel, 4 ft x 8 ft\",\"url\":\"https:\/\/griffbuildingsupplies.com\/products\/standard-hardboard-panel-4-ft-x-8-ft\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Griff\"},\"category\":\"Hardware \u003e Building Materials \u003e Lumber \u0026 Sheet Stock\",\"description\":\"Standard HDF hardboard panel, 4 ft x 8 ft in 1\/8 in. and 1\/4 in. Smooth, grain-free face for paneling, underlayment and cabinet backs.\",\"material\":\"High-density fiberboard (HDF) hardboard\",\"image\":\"https:\/\/images.homedepot.ca\/productimages\/p_1000167412.jpg?product-images=l\",\"additionalProperty\":[{\"@type\":\"PropertyValue\",\"name\":\"Product\",\"value\":\"Standard Hardboard Panel\"},{\"@type\":\"PropertyValue\",\"name\":\"Material\",\"value\":\"HDF (high-density fiberboard) hardboard\"},{\"@type\":\"PropertyValue\",\"name\":\"Panel size\",\"value\":\"4 ft x 8 ft (nominal)\"},{\"@type\":\"PropertyValue\",\"name\":\"Thickness\",\"value\":\"1\/8 in. or 1\/4 in. 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