While expensive the best insulation is polyiso rigid foam.
Flat roof rigid foam insulation.
Rigid foam insulation installation prepare roof deck.
Use rigid foam insulation panels on your flat roof before applying the final roof covering or inside the house before adding sheetrock or paneling.
For a 1 inch board equivalent of 6 r value.
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.
The most efficient and best insulation used is rigid foam polyiso.
The first step with roof installation is to prepare the roof deck by getting rid of all dirt dust and contaminants.
With this kind of roof the insulation follows the slope of the roof.
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 accounts for over 60 of all installs.
Foam control plus and foam control flat roof insulation are recognized for use in direct to deck applications.
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.
Insulated roof assemblies can be vented or unvented.
You can expect to pay about 55 100 sq ft.
However most cathedral ceilings and low slope flat roofs are insulated roof assemblies.
When it comes to insulation performance the difference is in the details.
All products in the acfoam polyiso roof insulation family are closed cell rigid foam insulation board flat or tapered.
With premium polyiso manufacturing atlas is able to produce the highest effective r values with minimal material thickness.
Iso is available in a range of thicknesses that come in increments of 1 inch.
Flat roof insulation installation the rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets.
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.
If moisture is a major concern you can also install xps rigid insulation which offers superior moisture resistance.
The bottom layer of a single ply membrane roofing system is the roof deck or substrate.
It is top quality and the most cost effective product for your flat roof.
Cost of rigid foam board insulation.
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.
Ul evaluation report er11812 01 and ul roof deck construction no.
Owens corning insulation products help improve thermal performance and control moisture in commercial institutional and.