That decision may hinge on whether the slab is heated but there s no agreement on what building codes require if anything.
Insulation under garage door slab.
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.
Cement 3 concrete 4 existing drywall 2 plywood 5 wood 3 sheathing type.
Insulation located below grade shall be extended the distance provided in table n1102 1 1 namely 2 ft.
A lot of air can get by them.
The tube stripping forms a seal when it compresses against the floor of the.
Insulate your garage to reduce energy bills and protect your garage against harsh outdoor temperatures.
Under slab 7 more ways to filter.
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.
That has to change a bit when i get to the garage door opening.
Garage door insulation project guide.
The air sealing is quite tight even with three garage doors.
Formaldehyde free 5.
Continuous insulation extends downward from the top of the slab and along the entire perimeter and completely covers the entire area under the slab.
Garage door insulation project guide.
The walls are a total of 4 1 2 of foam outside of the sheathing so roughly r16.
My icf foundation wall will have 8 of rigid foam on the outside and my slab will be floating inside the icfs.
How to insulate a garage floor above a concrete slab.
I am not using the pex.
This compliance option is explained this way.
To stop this get tube shaped stripping for the bottom of the door.
If this is the case then the frost will travel down the footing and make the floor cold and thus heat loss.
Concrete is cold and hard but an insulated concrete slab can make a heated garage significantly warmer and more energy efficient.
The garage doors are internally foamed polyurethane and seal quite well.
Garage doors are big.
Eps 3 xps 2 faced or unfaced.
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.
Cement 3 concrete 4 existing drywall 2 plywood 7 wood 5 insulation features.
In climates zones 4 and 5 and 4 ft.
Under slab 5 more ways to filter.
The roof is 1 1 2 iso with 4 nailbase over that for about r22.