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1 0.92: 5.25: 36.4 Extruded expanded polystyrene (XPS) high-density 2.54: 1 0.88–0.95: 5–5.4: 26–40 [3] Polystyrene board [6] 2.54: 1 0.88: 5.00: 35 Phenolic rigid panel 2.54: 1 0.70–0.88: 4–5: 28–35 Urea-formaldehyde foam 2.54: 1 0.70–0.81: 4–4.6: 28–32 High-density fiberglass batts 2.54: 1 0.63–0.88: 3.6–5: 25–35 ...
Styrofoam insulation extruded polystyrene foam (XPS), owned and manufactured by DuPont. Styrofoam is a genericized trademarked brand of closed-cell extruded polystyrene foam (XPS), manufactured to provide continuous building insulation board used in walls, roofs, and foundations as thermal insulation and as a water barrier.
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.
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 ...
4.2.1 Expanded polystyrene ... of Sweden received a US patent for polystyrene foam as an insulation product ... is 120 x 60 cm; size 4 by 8 ft (1.2 by 2.4 m) or 2 by ...
Geofoam is expanded polystyrene (EPS) or extruded polystyrene (XPS) manufactured into large lightweight blocks. The blocks vary in size but are often 2 m × 0.75 m × 0.75 m (6.6 ft × 2.5 ft × 2.5 ft). The primary function of geofoam is to provide a lightweight void fill below a highway, bridge approach, embankment or parking lot. EPS Geofoam ...
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