Garage Door R Value Worth It

Should you be concerned about r value in choosing your garage door.

Garage door r value worth it.

R value of garage door insulation what is r value. In general a higher r value means better insulation but there s more to it than that. What else should i consider. Attached but not actively heated or cooled garages should have a garage door with an r value between r 6 and r 9.

Unless the garage door is rarely used thoroughly insulating the garage often costs more in materials than you ll gain from any energy savings enjoyed. Still people often feel that adding insulation r value to the garage door is warranted and necessary. The higher the r value the greater the insulating properties of the door. Actively cooled or heated garages should have a garage door with an r value of r 13 or higher to save on energy costs.

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. Overhead door corporation uses a calculated door section r value for our insulated doors. A value of r 16 offers a 5 reduction in heat flow and a 5 improvement in energy efficiency over a value of r 8. We have several door styles to meet your insulated door needs for both residential and commercial applications.

What r value should you look for in a new garage door. However you also need to analyze the door s cold resistance before making a purchase decision. R value is a measure of thermal efficiency. In the two test doors shown above the advertised r value of the polystyrene door is 9 1 while the polyurethane door r value advertised is 17 50.

By basing much of your decision by looking at the highest advertised r value you may be neglecting other important considerations in evaluating what door is best for you. 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. An r value of 16 is not twice as good as an r value of 8. For instance if your garage is not attached to the home and is insulated you ll want to look for a door with a rating higher than r 10.

And in a few instances this may be true. The r value is determined by the thickness of the door and by the materiel that the insulation is made of. It does not offer twice as much thermal resistance or twice the energy savings. If it s not insulated then an r 6 value will do.

Higher is better when looking at garage door r values but it s not the only factor to consider. That s particularly true if you have a heating system in the garage. See chart for r value comparisons. It s also made of various layers of foil and lightweight metals making this an extremely lightweight offering and can therefore be much easier to install.