Snow Melting/Slab Heating Application Cross Sections Outdoor Asphalt Snow Melt Application 2” to 3”(51mm to 76mm) of finished asphalt. WHCA heater run Wire mesh above or below Heating Cables (tied to mesh with metal wire ties) 1.5” to 2” (38mm to 51mm) of base/primer asphalt 4” to 8” (102mm to 203mm) of crushed aggregate 3” (76 m Spac m) ing Outdoor Concrete Snow Melt Application Heating Cable run (tied to the rebar or wire mesh with zip ties) 2” to 3” (51mm to 76mm) of finished concrete WHCA heater run Rebar or wire mesh supported by bricks or metal chairs (Heating cables ties to mesh with plastic zip ties) 3” (76 m Spac m) ing 2” to 3” (51mm to 76mm) of concrete 4” to 8” (102mm to 203mm) of crushed rock aggregate base Concrete Block Indoor Concrete Slab Heating Application Heating Cable run (tied to the rebar or wire mesh with zip ties) 2” to 3” (51mm to 76mm) of finished concrete WSHC heater run Rebar or wire mesh supported by bricks or metal chairs (Heating cables ties to mesh with plastic zip ties) 3” (76 m Spac m) ing 2” to 3” (51mm to 76mm) of base/concrete Insulation may be added between base concrete and the crushed rock aggregate 4” to 8” (102mm to 203mm) of crushed rock aggregate base Concrete Block Outdoor Paver Snow Melt Application Brick and Stone Pavers must NOT be any thicker than 2.5” (63.5mm). 1” to 1.5” (51mm to 76mm) of finished mortar, sand or stone dust WHCA heater run Rebar or wire mesh staked to aggregrate base (Heating cables ties to mesh with plastic zip ties) 4” to 8” (102mm to 203mm) of crushed rock aggregate base 3” (76 m Spac m) ing Free Design Service • 24/7 Installation Support • 10 Year Warranty •(800) 875-5285 • www.WarmlyYours.com