Insulation s r value is a measure of its effectiveness and a single 1 inch sheet of polyurethane foam gives you an r value of 5 5 to 6 5 according to the u s.
R tech insulation foam board installation.
If the garage is contained within the body of the house add insulation to the external garage wall and the garage door.
R tech is a top to bottom do it all insulation.
R tech panels are an engineered rigid insulation consisting of a superior closed cell lightweight and resilient expanded polystyrene eps with advanced polymeric laminate facers.
R matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation r matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation board.
1 5 in x 2 ft x 8 ft.
R tech is available with factory adhered metallic reflective facers white facers or a combination of the two.
It doesn t matter which side of the air space or.
Get free shipping on qualified r tech foam board insulation or buy online pick up in store today in the building materials department.
Measure carefully to determine the number of 2 by 4 foot insulation panels you will need.
In an insulated garage you need only add r tech foam to the garage door back.
As dana explained the foil facing on rigid foam has the effect of raising the r value of an adjacent air space if there is an adjacent air space.
The higher the r value and the lower the rate of air leakage the better.
The 1 1 2 inch thick panels will fit the garage door best.
R tech rigid foam insulation.
To keep a building warm you need something with r value insulation.