Eps is by far the most versatile of the three rigid insulation options.
Rigid foam on attic roof.
Thinking 4 board foil on both sides with a value of r28ish.
It can be applied on the roof floor and walls and it s most widely used in structural insulated panels and insulated concrete forms.
This eliminates roof venting and creates what is called a hot roof where the attic space becomes part of the conditioned heated and cooled house space.
Rigid insulation is one of the best tools to reduce your energy costs.
Attic hatch or door.
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.
Spray foam under the roof.
The superattic system creates a continuous air and insulation barrier directly beneath the attic roof with no thermal bridging to compromise energy.
This requires the use of soffit vents and a roof ridge vent to.
Most unvented attics incorporate spray polyurethane foam spf on the underside of the roof deck and attic walls.
They keep your home at a comfortable temperature without the need to crank your heat.
Am i nuts or on the correct path.
Pull down stair or ladder.
When installing rigid insulation in an attic to be finished as a living space you must provide a route by which hot air can escape.
Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.
Install it anywhere from the roof to the foundation.
Rigid foam like the silverglo insulation from dr.
When the sun s heat hits your roof that heat is radiated across the roof.
Would like to use attic for storage as well.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.
This approach involves installing closed cell spray foam directly under the roof surface right down to the junction of the ceiling and exterior walls.
Affix rigid foam insulation to the attic side of the hatch or door.
This method i believe if air sealed and installed well may be a good solution.
Heat can be transferred by three methods radiation convection and conduction.
Rigid foam insulation also known as insulating boards provide high r values.
You can even place it under the foundation slab.
Energy saver comes in panels or sheets of different thicknesses.
This construction approach was first used in the 1970s and it has been implemented much more widely since it was first included in the international code council s icc model building code in 2007 irc section 806 4.
A rigid foam board works by trapping air making heat conduction more difficult.
Have mechanicals in attic and would like to semi condition space while maintaining a vented roof.
