Insulating Membrane Roof

The old roof was tar and gravel so the switch to tpo should show significant change.

Insulating membrane roof.

I have an insulation factor of about 8 10 plus the reflectivity of the white tpo. The lwic systems are composed of either aggregate or cellular concrete. Should i leave out the soffit vent. Roof edge detail overhang extended to hide the thickness of the over roofing rigid insulation.

A vapour membrane is also a likely requirement to stop moisture which is naturally generated in an occupied room. Lightweight insulated concrete also known as lwic is a material intended for use as an insulation and substrate for support and attachment of roofing membranes on slope roofs. How to install insulation board over an existing roof membrane. Is there any advantage to trying to get any insulation in between the 2 8 rafters.

Roof membrane ybs insulation manufacture specially designed roofing membranes which allow the roof to breath and help protect against the ingress of wind rain and snow. Depending on your needs there are different variations of roofing membrane to choose from ranging from the lightweight to heavy weight. Installed a new fully adhered membrane to the top of the old board sheathing prior to adding all that rigid insulation. Without a membrane vapour would rise and penetrate into the roof and insulation.