Wood Garage Door R Value

Today s garage doors with polyurethane insulation will have an r value of 12 18 garaga s residential garage doors provide up to r 18 but you also want to choose a door that has otherwise good construction.

Wood garage door r value.

What r value should you look for in a new garage door. A value of r 16 offers a 5 reduction in heat flow and a 5 improvement in energy efficiency over an r value of 8. Clopay uses door section r value s for our garage door insulation testing which is in accordance with the door and access manufacturers association guidelines provided in tds 163. R values climb as thickness of the material increases.

A 2 1 4 inch solid core wooden door for example has an r value of 3 70. Clopay classic collection 8 ft. If your garage is not detached then the garage is probably insulated and you ll want a garage door with an r 12 value. The r value is determined by the thickness of the door and by the materiel that the insulation is made of.

That s particularly true if you have a heating system in the garage. Clopay gallery collection 8 ft. Impression collection 0 9 8. The r value of a 1 3 4 inch wood door is 3 03.

However you also need to analyze the door s cold resistance before making a purchase decision. It does not offer twice as much thermal resistance or twice the energy savings. The r values of most steel and fiberglass clad entry doors range from r 5 to r 6 excluding a window. For example a 1 1 2 inch 3 81 cm thick door without a window offers more than five times the insulating value of a solid wood door of the same size.

Clopay garage door r values depend on the door s thickness material and type of insulation and range from 6 3 to 20 4. If it s not insulated then an r 6 value will do. 18 4 r value intellicore insulated ultra grain walnut garage door with arch window 58 model gr2lu wo grla1. This is really going to depend on how you use the garage as well as where you live.

Specifically r value is thermal resistance to heat flow. Do i need to heat my garage with an r 16 value. Traditional steel 0 4 75. An r value of 16 is not twice as good as an r value of 8.

When doing research on different types of garage doors you may have come across an r value measurement associated with garage door insulation. Should you be concerned about r value in choosing your garage door. R value is a measure of thermal resistance used in the building and construction industry. R value is the most widely used measurement for a garage door s energy efficiency.