You can use rigid foam panels or do as tom silva does with nearly.
Rigid foam insulation attic rafters.
Measure the length and width between two rafters in your attic and transfer the measurements to a 4 ft by 8 ft of rigid foam insulation board.
Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.
It s worth changing tactics to insulate between the rafters and wall joists instead of the floor.
The superattic system utilizes proprietary silverglo rigid foam insulation panels to fully seal and insulate the attic directly beneath the roof rafters and directly inside the gable ends.
Foamular extruded polystyrene xps rigid foam insulation offers foamular extruded polystyrene xps rigid foam insulation offers a comprehensive line of products in a wide choice of sizes thicknesses and edges with a lifetime limited warranty for the life of the home or building.
R value of 7 in 1 inch 97 closed cell foam.
A brief snippet of how and why i used rigid foam insulation for some areas of the tiny house.
The products are easy to handle score cut and install and no special tools are needed.
The superattic system creates a continuous air and insulation barrier directly beneath the attic roof with no thermal bridging to compromise energy.
Like spray foam rigid foam provides an air and moisture.
Meps is a rigid board formed by molding polystyrene into boards.
When used as attic roof insulation rigid foam can be installed between attic rafters directly beneath attic rafters or in both locations.
2 snap a chalk line between the length measurements.
Molded expanded polystyrene foam board.
Polystyrene can be fashioned into various items including shipping materials such as packing peanuts and coffee cups as well as sheets of foam board insulation.
Affix rigid foam insulation to the attic side of the hatch or door.
There are currently three types of rigid foam board.
The best attic insulation.
100 free of cfcs vocs penta bdes urea formaldehyde.
Attic hatch or door.
Energy saver comes in panels or sheets of different thicknesses.
Class i e 84 fire retardant meets building code spec.
Rigid foam like the silverglo insulation from dr.