Foam Roof Boards

Retroplus roof board is an expanded perlite mineral aggregate board.

Foam roof boards.

You can even place it under the foundation slab. Johns manville r panel rigid roof insulation board offers r values of up to r 23 6 providing high thermal efficiency. 1 in x 4 ft x 8 ft ap foil 1 faced polyisocyanurate foam board insulation item 101645 model 90001019. To drain and insulate dead level roof decks.

Tapered expanded polystyrene eps roof insulation was developed more than 30 years ago with a dual purpose in mind. Rigid foam insulation also known as insulating boards provide high r values. Using the perimeter marks for the ceiling joists chalk lines were snapped to indicate where to screw down the sheathing. Johns manville r 6 common.

Long fastenmaster s headlok screws work great for screwing down 2xs or sheathing over thick foam. The washer head style has good holding power. Types of insulating boards. Rigid roof insulation board.

Install it anywhere from the roof to the foundation. The panels need to fit together tightly to help prevent warm air from leaving the top of the building. 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. 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.

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. After the roof deck is prepared the rigid foam boards need to be cut to size to fit snugly together on your roof. Gba editor mike guertin apr 08 2015 09 38pm 15. Attach to deck board.

Washer head extra long screws up to 18 in. Retrofitting an insulated cold roof. They keep your home at a comfortable temperature without the need to crank your heat. 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.