Insulation Board Flat Roof

Tapered eps insulation to add a slight slope to an entirely flat roof to help shed water install tapered foam board insulation underneath a membrane roof.

Insulation board flat roof.

Cost of rigid foam board insulation usually homeowners spend about 25 of the total cost to install a flat roof on high quality insulation. It accounts for over 60 of all installs. Membrane roofs with a slight slope are. One of the main benefits you will receive from installing a warm flat roof is condensation will not become an issue because of the positioning of the insulation.

It s light weight provides ease of handling. Once the roof demo was complete and the flat roof was cleared of any remaining debris some rotted 2x material around the perimeter of the roof was replaced. Iso is available in a range of thicknesses that come in increments of 1 inch. The rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets.

At least 100mm of rigid board insulation must be positioned on top of the vapour control layer the vapour control layer stops any moisture within the building contaminating the insulation. The most efficient and best insulation used is rigid foam polyiso. Rigid foam insulation also known as insulating boards provide high r values. For a 1 inch board equivalent of 6 r value.

Composed of a closed cell polyisocyanurate foam core bonded in the foaming process to 1 2 thick duraboard an expanded perlite mineral aggregate board on one side and a fiber glass reinforced facer on the other. Tr27 insulation consists of high performance pir boards with glass facings on either side. Insulation board should be added between the old and new roof systems to ensure proper insulation and to reflect heat from the outside. These flat roof insulation boards have been manufactured so that they are fully compatible with most flat roof systems including mastic asphalt roofing and single ply non bituminous systems as well as green roof systems.

It is top quality and the most cost effective product for your flat roof. Available in both foam and rigid form choose the board type. Our range of high and optimum performance flat roof insulation products are suitable for use in a range of flat roofs. Flat roof insulation installation.

Install it anywhere from the roof to the foundation. Rigid roof insulation board. We recommend having at least 20 r value worth of material for optimal energy efficiency. You can expect to pay about 55 100 sq ft.

Rigid insulation is one of the best tools to reduce your energy costs.