Flat Roof Insulation Slope Layout

Tapered backwashes can also help reduce the insulation height at the roof edge.

Flat roof insulation slope layout.

Roof insulation materials to avoid. The crickez system helps to simplify roof crickets with quicket. If insulation is installed below the flat roof deck this is called a cold roof. Good questions regarding water and low slope membrane roofs where slope in the structural roof deck may not be adequate.

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. Polyiso xps and eps roof. Flat over structural slope backwash detail backwash overlayed on adjacent flat over structural slope when roof drains are located a great distance away from a sloped roof edge more than 48 it can be more cost effective to use a tapered backwash. Some so called experts online may recommend the following claiming to achieve a greater r value at a lower cost.

Save money by installing fiberglass insulation and framing out roof slope using osb board substrate. 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. From there the flat roof system you choose will determine the materials you apply. A note to consider before construction.