Insulation Under Garage Door Slab

I am not using the pex.

Insulation under garage door slab. Formaldehyde free 5. If this is the case then the frost will travel down the footing and make the floor cold and thus heat loss. Continuous insulation extends downward from the top of the slab and along the entire perimeter and completely covers the entire area under the slab. I am presuming there is a 4ft deep footing around the perimeter of the garage with no insulation.

That has to change a bit when i get to the garage door opening. How to insulate a garage floor above a concrete slab. The garage doors are internally foamed polyurethane and seal quite well. The walls are a total of 4 1 2 of foam outside of the sheathing so roughly r16.

This compliance option is explained this way. The roof is 1 1 2 iso with 4 nailbase over that for about r22. In climates zones 4 and 5 and 4 ft. A lot of air can get by them.

In climate zones 6 7 and 8 by any combination of vertical insulation insulation extending under the slab or insulation extending out from the building. Insulate your garage to reduce energy bills and protect your garage against harsh outdoor temperatures. That decision may hinge on whether the slab is heated but there s no agreement on what building codes require if anything. Concrete is cold and hard but an insulated concrete slab can make a heated garage significantly warmer and more energy efficient.

Garage door insulation project guide. Cement 3 concrete 4 existing drywall 2 plywood 7 wood 5 insulation features. Insulating the slab using rigid foam insulation around the perimeter of the slab to minimize heat loss seems like an obvious step but whether to place insulation under the slab is another story. Continuous insulation is applied directly to the slab exterior extending downward from the top of the slab for the distance specified.

If i stop all the outside foam including that of the icf 4 short and pour a concrete approach apron smack against the concrete in the icf i could drive right over the top of the icf inner foam. Under slab 5 more ways to filter. Eps 3 xps 2 faced or unfaced. Garage doors are big.

The tube stripping forms a seal when it compresses against the floor of the. To stop this get tube shaped stripping for the bottom of the door. My icf foundation wall will have 8 of rigid foam on the outside and my slab will be floating inside the icfs. Cement 3 concrete 4 existing drywall 2 plywood 5 wood 3 sheathing type.

Under slab 7 more ways to filter. Garage door insulation project guide. The air sealing is quite tight even with three garage doors.