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Forums > Green Building Technologies > Radiant Heating > Subject: Good carpet choices over radiant?

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jbrown84

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Posts:25

09/17/2008 8:55 PM
Does anyone have any recommendations for a specific brand/line of carpeting that has low R-values? I'm going to use a 7/16" slab rubber pad over QuikTrak, and I'm hoping to find a nice carpet to use. Jeff

BadgerBoilerMN User is Offline

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Posts:92

09/18/2008 7:01 AM
Carpet padding often has a higher R-value than the carpet. 1/4" commercial pad is most often specified. Your choices are dictated by the heat loss of your room and the designed heat output of your radiant floor panel.

MA www.badgerboilerservice.com

jbrown84

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Posts:25

09/18/2008 7:32 AM
I'm already using a rubber pad with a low R value (0.45), but I'd like to find some carpet options that are low (relatively speaking).

BadgerBoilerMN User is Offline

Registered Users

Posts:92

09/18/2008 8:13 AM
This is not particularly low. I stay away from carpets over 1/2" thick and wool of any kind. Again; Your choices are dictated by the heat loss of your room and the designed heat output of your radiant floor panel.

MA www.badgerboilerservice.com

Brock

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Posts:201

09/18/2008 4:26 PM
I would recommend something that is outside rated. They tend to be really thin and are meant to be used without a pad. I really would not put a pad of any kind under it; if you do you might as well not expect any heat from the floor, other then maybe a comfort heat and not any room heating.

Green Bay, WI. - geothermal heated indoor pool with a small solar setup

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