Flat Roof Insulation Slope Layout

Polyiso xps and eps roof.

Flat roof insulation slope layout. To add a slight slope to an entirely flat roof to help shed water install tapered foam board insulation underneath a membrane roof. 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. Good questions regarding water and low slope membrane roofs where slope in the structural roof deck may not be adequate. From there the flat roof system you choose will determine the materials you apply.

Tapered roof insulation and crickets are designed to provide effective drainage for epdm tpo pvc and built up bur membranes. Some so called experts online may recommend the following claiming to achieve a greater r value at a lower cost. Consider geography budget and use for the roof to determine the best option. The crickez system helps to simplify roof crickets with quicket.

A note to consider before construction. 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. Roof insulation materials to avoid. Save money by installing fiberglass insulation and framing out roof slope using osb board substrate.