2lb spray foam underside roof deck.
Spray foam underside of roof deck.
2lb spray foam underside roof deck komfort insulation.
As air impermeable insulation spray foam insulation can be used in such applications.
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 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.
It s not coming from above the roof and it s not some new moisture source resulting from the spray foam.
Unvented roofs with spray foam applied to the underside of the roof deck have been used since the mid 1990s.