sip composition
Panels - 4-in1 (insulation, vapor barrier, structure, sheathing) ThermaSteel REVPANELS consist of EPS bonded to steel stud frames and are available in 3, 4, 5½ and 7½ inch thicknesses. Note: Standard 4 x 8 feet x 3½ inches (1219 x 2438 x 89mm) panel weighs only 45 pounds (20 kg).
Studs - 24-12 gauge with standard G-60 or G-90 galvanized steel. They are positioned at either 16 inches (406mm) or 24 inches (609 mm) on center on both sides of the panel.
Cladding - Facings are not required until after panels are in place on site. Assemblies are also available with one-hour or two-hour rating. Exteriors may be clad with any type of approved siding.
Facings and Foam - EPS Densities 3½" (89mm) panels = 1.5 lb/ft3 (24 kgf/m3) 4.0" (102mm) = 1.5 lb/ft3 (24 kgf/m3) 5.50" (140mm) panels = 1 lb/ft3 (16 kgf/m3) 7½" (191mm) panels = 1 lb/ft3 (16 kgf/m3) Interior walls must be covered with a minimum of ½" inch (13mm) drywall or plaster for a minimum 15 minute fire rating. Assemblies are also available with a one-hour or two-hour rating. Exteriors may be clad with any type of siding, no sheathing required.
Studs - 24-12 gauge with standard G-60 or G-90 galvanized steel. They are positioned at either 16 inches (406mm) or 24 inches (609 mm) on center on both sides of the panel.
Cladding - Facings are not required until after panels are in place on site. Assemblies are also available with one-hour or two-hour rating. Exteriors may be clad with any type of approved siding.
Facings and Foam - EPS Densities 3½" (89mm) panels = 1.5 lb/ft3 (24 kgf/m3) 4.0" (102mm) = 1.5 lb/ft3 (24 kgf/m3) 5.50" (140mm) panels = 1 lb/ft3 (16 kgf/m3) 7½" (191mm) panels = 1 lb/ft3 (16 kgf/m3) Interior walls must be covered with a minimum of ½" inch (13mm) drywall or plaster for a minimum 15 minute fire rating. Assemblies are also available with a one-hour or two-hour rating. Exteriors may be clad with any type of siding, no sheathing required.