.gb-wrap{max-width:100%;font-size:15px;line-height:1.6} .gb-wrap h2{font-size:1.25rem;margin:0 0 .6em} .gb-intro p{margin:0 0 .9em} .gb-acc{border-top:1px solid #ddd;padding:.65em 0} .gb-acc:last-of-type{border-bottom:1px solid #ddd} .gb-acc>summary{cursor:pointer;font-weight:600;list-style:none;padding:.2em 0} .gb-acc>summary::-webkit-details-marker{display:none} .gb-acc>summary::after{content:"+";float:right;font-weight:400} .gb-acc[open]>summary::after{content:"\2013"} .gb-acc .gb-body{padding:.4em 0 .9em} .gb-wrap ul{margin:0 0 .9em 1.1em;padding:0} .gb-wrap li{margin:.25em 0} Collated Cortex - Advanced PVC Decking Cortex is a hidden fastener system for TimberTech Advanced PVC decking. A color-matched AZEK plug covers every screw, so nothing shows on the surface, no caulking, sanding or painting required. Specifications Covers 100 sq. ft.: 350 screws, 400 collated color-matched plugs, 3 drive bits Plugs matched to Harvest, Landmark and Vintage colors Felt-tip drive bit protects the board surface while driving Corrosion resistant for the life of the project Requires a 7/32 in. pre-drill Questions Will the plug match my board color exactly?Yes, each plug is made from the matching AZEK color for a seamless finish. Do I need to paint or caulk the plugs?No, the color-matched plug is the finished surface.