R Value Of Wood Garage Door

R values climb as thickness of the material increases.

R value of wood garage door.

There are mainly 2 materials for insulating garage doors polystyrene and polyurethane. That s particularly true if you have a heating system in the garage. 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. If it s not insulated then an r 6 value will do.

The higher the r value the greater the insulation performance. Actively cooled or heated garages should have a garage door with an r value of r 13 or higher to save on energy costs. When determining how much insulation you need don t guesstimate calculate. I think so but the reasons may be a little surprising.

If you were living in an extremely cold climate and never intended to open your garage door it could be very significant but the r value of an open door immediately becomes zero. Extra job supplies needed range from 24to 28wooden doors require additional equipment such as miter saws and sanders. 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. However you also need to analyze the door s cold resistance before making a purchase decision.

In general a higher r value means better insulation but there s more to it than that. See chart for r value comparisons. Should you be concerned about r value in choosing your garage door. Another thing that effecting the r value is the material of the insulation.

Basic labor for 5 4 hours of installation is between 340and 412. Between 9 18 4 the difference between the r values is caused by the thickness of the doors 1 model is 1 3 8 and the other model is 2. Shoppers may get the impression that this number is important and it is but most are unsure about what it is or why they should even pay attention to it when choosing a garage door. R value measures how well certain building insulation materials can resist heat.

A 2 1 4 inch solid core wooden door for example has an r value of 3 70. A 7 foot x 8 foot wooden garage door ranges from 974to 1 468. 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 of a 1 3 4 inch wood door is 3 03.

For example the door s description may read 16 ft x 7 ft r value 6 5. Below is a list of our garage doors and the r value of each one. A door that is never opened is called a wall. Attached but not actively heated or cooled garages should have a garage door with an r value between r 6 and r 9.