Foam Roof Boards

Tapered expanded polystyrene eps roof insulation was developed more than 30 years ago with a dual purpose in mind.

Foam roof boards.

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. Types of insulating boards. Long fastenmaster s headlok screws work great for screwing down 2xs or sheathing over thick foam. Johns manville r panel rigid roof insulation board offers r values of up to r 23 6 providing high thermal efficiency.

Johns manville r 6 common. 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. Gba editor mike guertin apr 08 2015 09 38pm 15.

The washer head style has good holding power. Rigid foam insulation also known as insulating boards provide high r values. Rigid roof insulation board. You can even place it under the foundation slab.

Attach to deck board. Rigid foam is produced in various size panels 4 ft x 8 ft 4ft x 4ft etc. After the roof deck is prepared the rigid foam boards need to be cut to size to fit snugly together on your roof. The panels need to fit together tightly to help prevent warm air from leaving the top of the building.

They keep your home at a comfortable temperature without the need to crank your heat. Retroplus roof board is an expanded perlite mineral aggregate board. Retrofitting an insulated cold roof. Insulating the roof with polyiso foam boards.

Washer head extra long screws up to 18 in. 1 in x 4 ft x 8 ft ap foil 1 faced polyisocyanurate foam board insulation item 101645 model 90001019. Using the perimeter marks for the ceiling joists chalk lines were snapped to indicate where to screw down the sheathing. To drain and insulate dead level roof decks.