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« Winter is coming... Do a tune-up of your garage door | Main | Include Garage Doors in Any Home Makeover »

November 05, 2009

Comments

Garage Doors Birmingham

Fantastic post, it is especially important to pay attension to the R value of your garage door, especially if the garage is connected to your home, its no so important if your garage is separate from your home and you arn't worried about the insulation.

Good job !! all the team at Garage Doors Birmingham - http://www.garagedoors-birmingham.com

garage doors surrey

Another great article!

It amazes me how much information you have written for garage doors - keep it up!

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Heat transfer through an insulating layer is analogous to electrical resistance. The heat flows can be worked out by thinking of resistance in series with a fixed potential, except the resistances are thermal resistances and the potential is the difference in temperature from one side of the material to the other. The resistance of each material to heat transfer depends on the specific thermal resistance [R-value]/[unit thickness], which is a property of the material (see table below) and the thickness of that layer

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Increasing the thickness of an insulating layer increases the thermal resistance. For example, doubling the thickness of fibreglass batting will double its R-value, perhaps from 2.0 m²K/W for 110 mm of thickness, up to 4.0 m²K/W for 220 mm of thickness. Heat transfer through an insulating layer is analogous to adding resistance to a series circuit with a fixed voltage. However, this only holds approximately because the effective thermal conductivity of some insulating materials depends on thickness. The addition of materials to enclose the insulation such as sheetrock and siding provides additional but typically much smaller R-value.

Jim McEnroe

We're looking at purchasing a garage door. The manufacturer claims one door has an r-value of 9.31 & the other an r-value of 12.76. Are those r-values possible & realistic and if so is there any advantage to one or the other, given that we have two classic cars in the garage. I'm not sure if a lower r-value (less heat retained) is preferable to a higher r-value in this particular case. Any feedback is appreciated.

Kathleen

In my opinion, material of this article is very useful.
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All Garage Door Hardware

In any home, an R value will tell you how well something insulates. There are "guns" that you can get which measure the R value in your home, showing what areas of your home are well-insulated, and which ones are not. The higher the R value is, the better your home insulates.

Garage Door Opener Parts

Excellent article, it is even more important to pay extra attention to the R value of your garage doors, especially if the garage is connected to your home, (i.e. underneath one of your rooms) to keep the heat inside!!

GREAT Job!!
Team at
http://www.GarageDoorsToronto.ca

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that you can get which measure the R value in your home, showing what areas of your home are well-insulated,

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