Open cell spray polyurethane foam or closed cell spray polyurethane foam ccspf insulation can be sprayed along the underside of the roof sheathing to provide a conditioned and insulated attic space that can be durable and efficient in.
Spray foam underside of roof deck.
2lb spray foam underside roof deck komfort insulation.
2lb spray foam underside roof deck.
Moisture generated indoors or that infiltrates into the home is responsible for the bulk of the moisture in an attic insulated with spray foam on the underside of the roof sheathing.
Unvented roofs with spray foam applied to the underside of the roof deck have been used since the mid 1990s.
As air impermeable insulation spray foam insulation can be used in such applications.
Spray foam insulation applied on the underside of the roof deck in cold climate commercial buildings allows for a significant reduction in condensation potential particularly compared to interior air permeable batt systems.