Flat Roof Vapour Barriers

You ll find pitched roofing products here.

Flat roof vapour barriers.

Including flat roof vapour barrier for extra secure roofing solutions. How come they work. When discussing air barriers roofing membranes and the building envelope another important topic comes to mind. A flat roof vapour barrier such as iko s mvp modified vapour protector offers appropriate moisture protection.

And we have had them for a long time. Bituminous vapour retarders asphalt mixed with felt or fiberglass or non bituminous vapour retarders plastic laminate or aluminum coated. Looking for pitched roof materials. There is often confusion between air barriers and vapors retarders.

The products are installed prior to the roof insulation. To learn more on vapour barriers visit our introduction to vapour barriers article. Sopravap r is an sbs modified bitumen vapor barrier for use in approved multi ply membrane and flashing assemblies. The purpose of a vapor retarder is to minimize or reduce water vapor diffusion into a low slope roof or wall system.

It appears now when vapor retarders are needed more than ever the design community seems to have lost interest which is not good considering how codes and standards altered through concerns for energy savings have changed how buildings are designed constructed and operated. Astm d2178 astm e96. A gypsum fiber board has a perm rating of approximately 24 to 30 perms depending on thickness and if this board is fastened to a steel deck and the joints and transitions are taped it could be an effective air barrier that allows some drying. They are pretty much perfect double vapor barriers and double air barriers.

Count on iko for the best in roofing vapour barriers. Sopravap r is composed of a. The upper and lower membranes are both airtight and vapor tight. So in classic compact flat roofs we have double vapor barriers.

Flat roof vapour barrier materials when constructing a flat roof there are two types of materials commonly used. And in millions upon millions of square feet of roofs. The need for use and design of a vapor retarder in the design of a roof system used to be a hotly debated topic. Another option for the roofing system is to recognize a hardboard or sheathing layer can be a vapor open air barrier.

Iko s roofing vapour barriers are designed to be used over various types of roof decks such as steel concrete and wood. We re proud to bring you a range of choice from.