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Rigid panel. 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 ...
The generalised chemical structure of polyisocyanurate showing the isocyanurate group. The polyols are abbreviated as R-groups.. Polyisocyanurate (/ ˌ p ɒ l ɪ ˌ aɪ s oʊ s aɪ ˈ æ nj ʊər eɪ t /), also referred to as PIR, polyol, or ISO, is a thermoset plastic [1] typically produced as a foam and used as rigid thermal insulation.
Building insulation material. A building site for a row of riverside apartment blocks in Cambridge. The buildings are being constructed using a systems build with a steel frame and various prefabricated components. The blue plastic on the central building is the vapour barrier for the thermal wall insulation before the exterior cladding has ...
By installing insulation, buildings use less energy for heating and cooling and occupants experience less thermal variability. Retrofitting buildings with further insulation is an important climate change mitigation tactic, [ 1][ 2] especially when buildings are heated by oil, natural gas, or coal-based electricity.
The so-called flexible polyurethane foam (FPF) is produced from the reaction of polyols and isocyanates, a process pioneered in 1937. [ 1] FPF allows for some compression and resilience that provides a cushioning effect. Because of this property, it is often used in furniture, bedding, automotive seating, athletic equipment, packaging, footwear ...
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 Extruded expanded ...
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