Solid Wood Garage Door R Value

Look for a door with a good insulation value say a u value of at least 0 2 that is r 5 metric.

Solid wood garage door r value.

It does not offer twice as much thermal resistance or twice the energy savings. Calculated garage door section r value is in accordance with dasma tds 163. In hardwood it is 0 71. Below is a list of our garage doors and the r value of each one.

The r values of most steel and fiberglass clad entry doors range from r 5 to r 6 excluding a window. It is so low that it is below many industry standards. Insulation polystyrene insulated core provides a 4 75 r value section thickness 1 3 8 on all models. R values climb as thickness of the material increases.

R value for solid wood doors this is a reprint of a recent article on some studies done to show that the straight r value of solid wood is misleading. External panels are pressure bonded to framework with high strength waterproof adhesive. The r value of a 1 3 4 inch wood door is 3 03. Should you be concerned about r value in choosing your garage door.

A 2 1 4 inch solid core wooden door for example has an r value of 3 70. Heavy duty 1 5 8 section thickness. Flush panel wood garage doors. Logs of around 6 inches would then have an r value that is about 8.

Many of these doors are remarkably like real wood and may have a thick polyurethane or other foam core a feature that boosts their insulating value. Flush panel wood garage doors model 33 three layer construction with polystyrene sandwiched between interior and exterior boards. Even though it seems worse than other materials because wood has a lot of mass it actually can store energy not just prevent the ingress or egress of energy which is only what r values measure. Primed finish available on all models.

Per inch r value of softwood is 1 41. This value when compared to other insulating materials is actually pretty low. If installed correctly and not bent this type of door needs no further weatherstripping.