Flat Roof Rigid Foam Insulation

The bottom layer of a single ply membrane roofing system is the roof deck or substrate.

Flat roof rigid foam insulation.

When it comes to insulation performance the difference is in the details. Flat roof insulation installation the rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets. However most cathedral ceilings and low slope flat roofs are insulated roof assemblies. The roof deck can be plywood metal concrete or wood planks.

458 recognize foam control plus 150 up to 6 7 and foam control 100 up to 10 being installed directly over steel roof decks along with a class a b or. Rigid foam insulation installation prepare roof deck. It accounts for over 60 of all installs. The most efficient and best insulation used is rigid foam polyiso.

Insulated roof assemblies can be vented or unvented. Owens corning insulation products help improve thermal performance and control moisture in commercial institutional and. It s made of environmentally sound closed cell polyisocyanurate foam bonded to a durable white matte non glare aluminum facer and a reflective reinforced aluminum facer. It is top quality and the most cost effective product for your flat roof.

You can expect to pay about 55 100 sq ft. Use rigid foam insulation panels on your flat roof before applying the final roof covering or inside the house before adding sheetrock or paneling. If moisture is a major concern you can also install xps rigid insulation which offers superior moisture resistance. Foamular xps roof insulation for commercial buildings page 5 foamular xps roof insulation for commercial buildings foamular xps insulation is a rigid foam insulation which meets the needs of today s design professionals for a truly sustainable insulation product.

Cost of rigid foam board insulation. Ul evaluation report er11812 01 and ul roof deck construction no. For a 1 inch board equivalent of 6 r value. With premium polyiso manufacturing atlas is able to produce the highest effective r values with minimal material thickness.

All products in the acfoam polyiso roof insulation family are closed cell rigid foam insulation board flat or tapered. Usually homeowners spend about 25 of the total cost to install a flat roof on high quality insulation. There are lots of different ways to insulate this type of roof but one of the best methods calls for the installation of rigid foam. R matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation r matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation board.

With this kind of roof the insulation follows the slope of the roof. Rigid foam panels are available in thickness. While expensive the best insulation is polyiso rigid foam. Foam control plus and foam control flat roof insulation are recognized for use in direct to deck applications.