We have already explained that the exterior walls, floors, ceilings, and roofs comprise the solid layer of the house. This ... Read More

Residential buildings, if not properly sealed, can leak air, vapour or water. Problems arising from these leaks can compromise the ... Read More

What is a Vapour Barrier? A vapour barrier (or vapour retarder) is typically a plastic or foil sheet used for ... Read More

air barrier