Flat Roof Insulation Slope Layout

If insulation is installed below the flat roof deck this is called a cold roof.

Flat roof insulation slope layout.

Tapered roof insulation and crickets are designed to provide effective drainage for epdm tpo pvc and built up bur membranes. Save money by installing fiberglass insulation and framing out roof slope using osb board substrate. The crickez system helps to simplify roof crickets with quicket. Good questions regarding water and low slope membrane roofs where slope in the structural roof deck may not be adequate.

Roof insulation materials to avoid. To add a slight slope to an entirely flat roof to help shed water install tapered foam board insulation underneath a membrane roof. From there the flat roof system you choose will determine the materials you apply. A note to consider before construction.

A properly designed tapered roof insulation system not only provides the necessary r value and the support for the roof system but it helps extend the life of the roof system because it provides. The goal of tapered roof insulation systems is to eliminate ponding standing water on a membrane when the roof deck does not provide adequate slope. Consider geography budget and use for the roof to determine the best option. Tapered backwashes can also help reduce the insulation height at the roof edge.