Attach to deck board.
Foam roof boards.
Tapered expanded polystyrene eps roof insulation was developed more than 30 years ago with a dual purpose in mind.
Using the perimeter marks for the ceiling joists chalk lines were snapped to indicate where to screw down the sheathing.
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.
To drain and insulate dead level roof decks.
Retroplus roof board is an expanded perlite mineral aggregate board.
Insulating the roof with polyiso foam boards.
They keep your home at a comfortable temperature without the need to crank your heat.
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.
The washer head style has good holding power.
Types of insulating boards.
Rigid foam insulation also known as insulating boards provide high r values.
Johns manville r panel rigid roof insulation board offers r values of up to r 23 6 providing high thermal efficiency.
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.
After the roof deck is prepared the rigid foam boards need to be cut to size to fit snugly together on your roof.
You can even place it under the foundation slab.
1 in x 4 ft x 8 ft.
Retrofitting an insulated cold roof.
Rigid roof insulation board.
Install it anywhere from the roof to the foundation.
Johns manville r 6 common.
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.
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.
Long fastenmaster s headlok screws work great for screwing down 2xs or sheathing over thick foam.