WebFor use as general purpose insulation for roofing, wall, and foundation applications requiring a minimum compressive strength of 25 psi. With its closed-cell. ... XPS (Extruded Polystyrene) rigid foam board insulation with 25 psi minimum compressive strength. High R-value of 2.8 (R-5 per inch) Lightweight, durable, easy to use, shiplap edges ... WebApr 28, 2024 · On the interior side of a basement wall, all three common types of rigid-foam insulation—polyisocyanurate, expanded polystyrene (EPS), or extruded polystyrene (XPS)—perform well. That said, green builders usually avoid the use of XPS, since most brands are manufactured with a blowing agent that has a high global-warming potential.
Insulation - kingcounty.gov
WebApr 19, 2024 · Natural, formaldehyde-free materials make eco-friendly insulation products the best choice for a green and healthy home. Unlike fiberglass, insulation materials like … WebJul 8, 2024 · Local, green, rough sawn, 1" board sheathing on a hip roof. Some undetermined type of air barrier immediately above the board sheathing. 4" reclaimed polyiso, then 2" EPS, staggered and top seams taped. ... I'd be comfortable with the spray foam, fluffy, rigid insulation sandwich as long as the rigid insulation was vapor … capillary extrusion
Air gap between batts and ceiling deck - GreenBuildingAdvisor
WebIt should be insulated to prevent heat loss in the home and to keep feet warmer in winter. Install batt insulation between joists to at least R=19 or higher depending on climate. Rigid closed cell foam works well on the walls, preferably on the exterior. The floor joists should also be insulated to help prevent heat loss. WebAlso known as rigid insulation, these boards offer a high R-value, which helps keep your home at a comfortable temperature, even on the coldest days. Some panels can act as a sound barrier, serving reduce noise in … WebBuilding Insulation. Johns Manville is much more than a source for residential and commercial insulation. We are a dedicated industry partner. Our complete line of innovative insulation products includes: In addition to delivering well-made, reliable products, we are here to provide exceptional customer service and technical assistance to ... capillary features