Flat Roof Rigid Foam Insulation

However most cathedral ceilings and low slope flat roofs are insulated roof assemblies.

Flat roof rigid foam insulation.

The first step with roof installation is to prepare the roof deck by getting rid of all dirt dust and contaminants. Flat roof insulation installation the rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets. Insulated roof assemblies can be vented or unvented. When it comes to insulation performance the difference is in the details.

If moisture is a major concern you can also install xps rigid insulation which offers superior moisture resistance. Ul evaluation report er11812 01 and ul roof deck construction no. The most efficient and best insulation used is rigid foam polyiso. 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.

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. For a 1 inch board equivalent of 6 r value. Cost of rigid foam board insulation. You can expect to pay about 55 100 sq ft.

While expensive the best insulation is polyiso rigid foam. 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. The roof deck can be plywood metal concrete or wood planks. All products in the acfoam polyiso roof insulation family are closed cell rigid foam insulation board flat or tapered.

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. 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 foam panels are available in thickness. Rigid foam insulation installation prepare roof deck.

It is top quality and the most cost effective product for your flat roof. The bottom layer of a single ply membrane roofing system is the roof deck or substrate. Usually homeowners spend about 25 of the total cost to install a flat roof on high quality insulation. With premium polyiso manufacturing atlas is able to produce the highest effective r values with minimal material thickness.

Foam control plus and foam control flat roof insulation are recognized for use in direct to deck applications. With this kind of roof the insulation follows the slope of the 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. Use rigid foam insulation panels on your flat roof before applying the final roof covering or inside the house before adding sheetrock or paneling.