A warm roof vapour barrier goes above the plyboard and below the insulation and can either be glued or screwed down. Because its function is so critical to the building structure only good quality materials should be used, and installation completed correctly. Permaroof Kent use only high quality roofing and vapour barrier materials on all [...]
Every roofing project has its own set of requirements and the costs will depend on several factors. These can include project scale and whether other elements, such as insulation, for example, are being installed at the same time. At Permaroof Kent, we tailor your project to meet your exact needs and work closely with you [...]
A warm roof has the vapour barrier and the roofing insulation installed above the roof deck and beneath the waterproofing. This keeps the air temperature stable and requires no further ventilation. In a cold roofing installation, the insulating layers are beneath the roof deck and above the ceiling or roof void. This type of installation [...]
A vapour barrier prevents warm, humid air from inside the building being transferred into the roof layers above it. During the course of any normal day the roof space warms and cools, and these changes in temperature can cause the roof to expand and contract. Without the roof vapour barrier this could lead to moisture [...]