Roofing Foam Board Insulation

After the roof deck is prepared the rigid foam boards need to be cut to size to fit snugly together on.

Roofing foam board insulation.

Rigid roof insulation board. Easily installed with mechanical fasteners hot asphalt or loose laid in a ballasted system. Foam board insulation is easy to use and is a great diy way to add some insulation. It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches.

Rigid foam insulation installation prepare roof deck. Benefits of energyguard tapered polyiso foam roof insulation include. 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. Cedar shakes shingles.

It typically has 3 variations. Typically sold as sheet insulation in a standard size of 4 x 8 foam insulation panels can help reduce energy costs get a handle on moisture control and more. Concrete clay roof tiles. You can even place it under the foundation slab.

Rigid foam insulation also known as insulating boards provide high r values. Polyisocyanurate is another option coming in as the densest and more expensive option for foam board. Attach to deck board. 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.

Rigid foam board is just above the roof deck or an exterior insulation option. R panel is manufactured with a closed cell polyisocyanurate foam core bonded to fiberglass reinforced facers and designed for use over metal nailable and non nailable roof decks with a variety of membrane systems. The later is used in new construction as the interior board serves as an inner wall. Johns manville r panel rigid roof insulation board offers r values of up to r 23 6 providing high thermal efficiency.

They keep your home at a comfortable temperature without the need to crank your heat. Properly designed and installed energyguard tapered polyiso insulation systems virtually eliminate ponding water. Some types of thicker foam board insulation are available but they may need to be special ordered. Flat roof insulation installation the rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets.

Bare foam board one sided sheathing board or double sided which is also reference as structural insulated panels. The bottom layer of a single ply membrane roofing system is the roof deck or substrate.