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This two-page system quick specification summarizes the Envir-O-Sil roof restoration system, a low VOC silicone coating for areas regulated by strict environmental standards. The file lists the system’s components in order: seam and detail treatment, surface preparation, a base coat and a top coat of High-Solids Silicone 412.
Suitable substrates are built-up roofs, EPDM, modified bitumen, single-ply and spray polyurethane foam. The features list covers low VOC content, a long-term warranty option and the ability to restore an existing membrane. The page gives High-Solids Silicone 412 properties of 92% solids by volume with a tolerance of plus or minus 2, 170% elongation plus or minus 25, 450 psi tensile strength plus or minus 50, initial reflectivity of .87, initial emissivity of .89, VOC below 50 grams per liter and permeability greater than 4.
Page two covers the adhesion test, a pre-inspection checklist of 10 items including HVAC flashing, drains, parapet details and wet insulation, and installation tips such as pressure washing at 3000 to 4000 psi and storage above 65°F. A technical table gives total dry film thickness for 10-, 15- and 20-year terms: 30 to 40 mils on built-up roofs and modified bitumen, 20 to 35 mils on EPDM and single-ply, and 20 to 30 mils on spray foam.
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