How should I install FOAMULAR® insulation with concrete block wall construction?

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How should I install FOAMULAR® insulation with concrete block wall construction?

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Bob writes from Selinsgrove, Pennsylvania: “What is the best way to install 2″ 4’x8′ FOAMULAR to exterior concrete block wall new construction?” Answer: When you refer to “exterior concrete block walls,” I am going to assume you want to insulate the exterior of the foundation wall. In this case, adhere FOAMULAR® insulation to clean surfaces with long edges horizontal, edges tightly butted and vertical joints staggered. Secure the FOAMULAR insulation with small spots (appx 2″ diameter) of petroleum-free adhesive applied 24 inches on center to backs of panels. Apply insulation to the wall within 15 minutes after applying the adhesive. Back-fill carefully to avoid damaging the insulation. If my assumption is wrong and this is an interior basement wall application, check the FOAMULAR Rigid Foam Insulation for Basement Walls page of the Owens Corning Web site.

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