WBI EPS™ panels should be installed with an approved adhesive with a vapor retarding characteristic after being checked for flatness and tested for moisture content. The contractor shall make a test of the bond of the foam to concrete and let it cure to confirm there is a good bond to concrete. Extra security for the bond shall be provided by using a minimum of 4 anchors as shown below or eight anchors per board in damaged or poorly bonded concrete in the pattern shown below.
These anchors also assure that the panels stay in place while the adhesive dries. Cut nails, Tapcons, and Simpson Titan anchors of appropriate length may be used. Of these cut nails and Titen Anchors seem to be the fastest and preferred by contractors. Titen anchors have carbide infused threads and with the proper holes size and depth go in easily and have great holding power.
We recommend using Simpson Strong Tie Titen HD Counter Sink head screws because they have carbide treated threads with lower friction. Tapcons or cut nails of similar size may also be used. To use a Titen HD Anchor: Use a drill bit the same diameter as the nominal diameter of the anchor to be installed. Drill the hole to the specified embedment depth plus minimum hole depth over drill (see information below) to allow the thread tapping dust to settle, and blow it clean using compressed air.
Alternatively, drill the hole deep enough to accommodate embedment depth and the dust from drilling and tapping. This is usually min 1/2” extra but you will have to test for right depth. Countersink the hole then insert the anchor through the panel and into the hole. Tighten the anchor into the concrete until the screw head is flush with the aluminum layer. Use the slowest setting on the impact drill for last portion of setting the anchor.
The minimum number of 5 anchors for well bonded panels on concrete in good condition. The number of anchors should be increased to 8 if bond or quality of concrete has been degraded.
10.5K
Systems Supplied
24+
Years Established
4.5M
Sq. Ft. Sold
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