Insulation Under Garage Door Slab

Cement 3 concrete 4 existing drywall 2 plywood 7 wood 5 insulation features.

Insulation under garage door slab.

Continuous insulation extends downward from the top of the slab and along the entire perimeter and completely covers the entire area under the slab. The garage doors are internally foamed polyurethane and seal quite well. This compliance option is explained this way. The walls are a total of 4 1 2 of foam outside of the sheathing so roughly r16.

The air sealing is quite tight even with three garage doors. Continuous insulation is applied directly to the slab exterior extending downward from the top of the slab for the distance specified. Garage doors are big. A lot of air can get by them.

That decision may hinge on whether the slab is heated but there s no agreement on what building codes require if anything. Garage door insulation project guide. Cement 3 concrete 4 existing drywall 2 plywood 5 wood 3 sheathing type. 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.

The roof is 1 1 2 iso with 4 nailbase over that for about r22. Insulation located below grade shall be extended the distance provided in table n1102 1 1 namely 2 ft. To stop this get tube shaped stripping for the bottom of the door. 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.

My icf foundation wall will have 8 of rigid foam on the outside and my slab will be floating inside the icfs. Garage door insulation project guide. Is it worth it to insulate under a concrete slab. Eps 3 xps 2 faced or unfaced.

I am not using the pex. Under slab 5 more ways to filter. Under slab 7 more ways to filter. 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.

Concrete is cold and hard but an insulated concrete slab can make a heated garage significantly warmer and more energy efficient. Insulate your garage to reduce energy bills and protect your garage against harsh outdoor temperatures. In climates zones 4 and 5 and 4 ft. That has to change a bit when i get to the garage door opening.

The tube stripping forms a seal when it compresses against the floor of the. 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.