Insulation Under Garage Door Slab

I am not using the pex.

Insulation under garage door slab.

That has to change a bit when i get to the garage door opening. Garage door insulation project guide. Cement 3 concrete 4 existing drywall 2 plywood 5 wood 3 sheathing type. In climates zones 4 and 5 and 4 ft.

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 doors are big. Is it worth it to insulate under a concrete slab.

Concrete is cold and hard but an insulated concrete slab can make a heated garage significantly warmer and more energy efficient. The roof is 1 1 2 iso with 4 nailbase over that for about r22. The air sealing is quite tight even with three garage doors. The walls are a total of 4 1 2 of foam outside of the sheathing so roughly r16.

A lot of air can get by them. My icf foundation wall will have 8 of rigid foam on the outside and my slab will be floating inside the icfs. I am presuming there is a 4ft deep footing around the perimeter of the garage with no insulation. Continuous insulation is applied directly to the slab exterior extending downward from the top of the slab for the distance specified.

Insulation located below grade shall be extended the distance provided in table n1102 1 1 namely 2 ft. Garage door insulation project guide. Insulate your garage to reduce energy bills and protect your garage against harsh outdoor temperatures. How to insulate a garage floor above a concrete slab.

This compliance option is explained this way. Under slab 7 more ways to filter. To stop this get tube shaped stripping for the bottom of the door. Insulate your garage to reduce energy bills and protect your garage against harsh outdoor temperatures.

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. If this is the case then the frost will travel down the footing and make the floor cold and thus heat loss.

The garage doors are internally foamed polyurethane and seal quite well. 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. 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.