Rigid Foam Flat Roof Insulation

The first step with roof installation is to prepare the roof deck by getting rid of all dirt dust and contaminants.
Rigid foam flat roof insulation. 0 56 in x 4 ft x 8 ft. 0 56 in x 4 ft x 8 ft 1 unfaced polystyrene foam board insulation item 511270 model 100000050497. Flat roof insulation installation the rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets. It is top quality and the most cost effective product for your flat roof.
Insulated roof assemblies can be vented or unvented. 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. With premium polyiso manufacturing atlas is able to produce the highest effective r values with minimal material thickness.
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. For a 1 inch board equivalent of 6 r value. Fm approved subject to the conditions of approval as a roof insulation when installed as shown in the current edition of the factory mutual research approvals guide. When it comes to insulation performance the difference is in the details.
The roof deck can be plywood metal concrete or wood planks. The bottom layer of a single ply membrane roofing system is the roof deck or substrate. Kingspan insulation r 3 common. All products in the acfoam polyiso roof insulation family are closed cell rigid foam insulation board flat or tapered.
Excellent lttr value compared to any other fm class 1 rated products of equivalent thickness. However most cathedral ceilings and low slope flat roofs are insulated roof assemblies. Rigid foam insulation installation prepare roof deck. Owens corning insulation products help improve thermal performance and control moisture in commercial institutional and.
The type of insulation used in a new flat roof is dependent on the roof specification. On a new concrete slab with a screed semi rigid insulation boards such as expanded polystyrene board extruded polystyrene board glass fibre batts mineral fibre batts urethane foam board or phenolic foam board are laid under the roof covering. 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. 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.
With this kind of roof the insulation follows the slope of the roof.