Roof Membraine R

Building and energy codes almost always specify a required minimum r value for exterior walls and roof assemblies with above deck insulation so the minimum required r value in your local jurisdiction is something that you need to take into account when planning a building project.

Roof membraine r.

Always check with your local code authority. Short for thermoplastic polyolefin tpo is a single ply roofing membrane that offers excellent performance at a cost effective price. Roof membrane available in 40 50 and 60 mil thickness. Please note that the r values for roof membranes shingles tiles air films and roof deck materials might or might not be permitted by your local code to be included when total roof assembly r value is being calculated for the purpose of satisfying energy code requirements.

Smooth tpo fleece back tpo self adhered tpo tpo colors extreme tpo. Residential and commercial roofing shingles slate roof ventilation roof underlayments asphaltic and tpo roof membranes. Tpo s long term heat uv and natural fungal resistance plus flexibility without need for plasticizers also make tpo a reliable low slope roofing system. Most common insulation is iso or eps foam board.

Gaf tpo roofing membranes include. Based on the grace ice and water shield technology grace roof detail membrane is a flexible product that conforms tightly to common roof details such as skylights chimneys and dormer walls. These energy code r value requirements change from state to state and even city to city. Single ply membranes are installed either as fully adhered or mechanically attached systems depending on each roof s condition installer s preferences and other factors.

Gaf analyzed membrane samples from roofs across the us and studied thickness over scrim surface cracking and the ability to repair aging tpo membranes. Only product in the marketplace to offer prefabrication of the entire roofing system. Membrane roofing is a roof system that creates a continuous watertight covering to protect the interior of a building. Heat welded seams provide superior strength.

Available in 9 in. W it is the optimal choice for valleys and transition areas such as ridges rake edges and drip edges. A recent study of everguard tpo roofs installed between 8 and 16 years ago found they all performed above astm standards for newly manufactured tpo. Membrane roofs are predominately used as a flat roofing system since they are watertight which is critical where water is not shed immediately.