Rigid Foam Insulation For Flat Roof

The insulation used in low slope roof assemblies typically falls into one of the four categories.

Rigid foam insulation for flat roof.

For a 1 inch board equivalent of 6 r value. Insulated roof assemblies can be vented or unvented. 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. 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.

Rigid board insulation rigid board insulation is the most common type of insulation used in low slope commercial roofing. All products in the acfoam polyiso roof insulation family are closed cell rigid foam insulation board flat or tapered. While expensive the best insulation is polyiso rigid foam. When it comes to insulation performance the difference is in the details.

It is top quality and the most cost effective product for your flat roof. 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. With this kind of roof the insulation follows the slope of the roof. It accounts for over 60 of all installs.

Or sprayed polyurethane foam spf. Lightweight insulating concrete lwic. Use rigid foam insulation panels on your flat roof before applying the final roof covering or inside the house before adding sheetrock or paneling. You can expect to pay about 55 100 sq ft.

Owens corning insulation products help improve thermal performance and control moisture in commercial institutional and. It is made from. The bottom layer of a single ply membrane roofing system is the roof deck or substrate. With premium polyiso manufacturing atlas is able to produce the highest effective r values with minimal material thickness.

However most cathedral ceilings and low slope flat roofs are insulated roof assemblies. Dual purpose structural deck and insulating planks. Cost of rigid foam board insulation. Flat roof insulation installation the rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets.

If moisture is a major concern you can also install xps rigid insulation which offers superior moisture resistance. Iso is available in a range of thicknesses that come in increments of 1 inch. The roof deck can be plywood metal concrete or wood planks. Usually homeowners spend about 25 of the total cost to install a flat roof on high quality insulation.

The first step with roof installation is to prepare the roof deck by getting rid of all dirt dust and contaminants. Rigid foam insulation installation prepare roof deck.