Foam Roof Boards

Rigid foam is produced in various size panels 4 ft x 8 ft 4ft x 4ft etc.

Foam roof boards.

1 in x 4 ft x 8 ft. Adding the roof sheathing sheets of 4 x8 osb were then laid directly on top of the rigid foam insulation boards leaving small gaps per the manufacturer s recommendation to avoid buckling at the seams. Rigid foam insulation also known as insulating boards provide high r values. Manufactured from lightweight foam control eps tapered expanded polystyrene eps roof insulation is a value engineered system that has been proven in new and reroof applications all over the country.

Tapered expanded polystyrene eps roof insulation was developed more than 30 years ago with a dual purpose in mind. To drain and insulate dead level roof decks. Composed of a closed cell polyisocyanurate foam core bonded in the foaming process to retroplus roof board on one side and a glass reinforced facer on the other. Using the perimeter marks for the ceiling joists chalk lines were snapped to indicate where to screw down the sheathing.

Washer head extra long screws up to 18 in. The panels need to fit together tightly to help prevent warm air from leaving the top of the building. Long fastenmaster s headlok screws work great for screwing down 2xs or sheathing over thick foam. You can even place it under the foundation slab.

Attach to deck board. Johns manville r 6 common. They keep your home at a comfortable temperature without the need to crank your heat. Rigid roof insulation board.

Retroplus roof board is an expanded perlite mineral aggregate board. Insulating the roof with polyiso foam boards. The washer head style has good holding power. 1 in x 4 ft x 8 ft ap foil 1 faced polyisocyanurate foam board insulation item 101645 model 90001019.

Retrofitting an insulated cold roof. 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. Install it anywhere from the roof to the foundation. Types of insulating boards.