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EPS is the most common of the foams used and has an R-value (thermal resistance) of about 4 °F·ft 2 ·h/Btu (equivalent to about 0.7 K·m 2 /W) per 25 mm thickness, which would give the 3.5 inches (89 mm) of foam in a 4.5-inch-thick (110 mm) panel an R value of 13.8 (caution: extrapolating R-values over thickness may be imprecise due to non ...
Five grades of OSB are defined in EN 300 in terms of their mechanical performance and relative resistance to moisture: [2] OSB/0 – No added formaldehyde; OSB/1 – General-purpose boards and boards for interior fitments (including furniture) for use in dry conditions; OSB/2 – Load-bearing boards for use in dry conditions
For example, 9.5 mm (3 ⁄ 8 in) plywood sheathing or OSB sheathing typically has a surface density of 4.9–5.9 kg/m 2 (1–1.2 lb/sq ft). [51] Many other engineered woods have densities much higher than OSB.
Thinsulate clothing insulation [4] 2.54: 1 0.28–0.51: 1.6–2.9: ... 2.7: 19 Wood panels, such as sheathing 2.54: 1 0.44: 2.5: 17 (9 [16]) Fiberglass rigid panel 2. ...
A multi-family residential building under construction with rigid panel exterior insulating sheathing. Rigid panel insulation, also referred to as continuous insulation, [1] can be made from foam plastics such as polyurethane (PUR), polyisocyanurate (PIR), and polystyrene, or from fibrous materials such as fiberglass, rock and slag wool.
Wider 1 + 1 ⁄ 2-by-5 + 1 ⁄ 2-inch studs may be used to provide space for more insulation. Insulation beyond that which can be accommodated within a 3 + 1 ⁄ 2 -inch stud space can also be provided by other means, such as rigid or semi-rigid insulation or batts between 1 + 1 ⁄ 2 -by- 1 + 1 ⁄ 2 -inch horizontal furring strips , or rigid ...