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Old 05-20-2009, 04:48 PM
 
Location: Avery Ranch, Austin, TX
8,852 posts, read 15,258,216 times
Reputation: 3873

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By 'cool' I mean those rated as more energy efficient by way of increased reflectivity/reflectance and thermal emittance(hey, I just report the news, I don't make it up). Owens-Corning hasn't seen fit to send Texas their 'cool' roofing materials--only CA and NV at this time. Another company named DaVinci EcoBlend has a polymer shake/shingle that is Cat 4 inpact rated and has a 'cool' factor that could considerably lower the heat gain in our houses/attics. Of course, there is a price to pay but IF(that's a big IF) the hail resistance and energy savings are as promised, it sure beats replacing a $15-20k roof every few years. Most of these new materials carry a 50 year or limited lifetime warranty(and I believe the insurance co. will offer a small discount for using them).

Bottom line....anybody tried any of the new systems??? Will I have to be the first??? Gotta get a new roof anyway...sure would like to upgrade! BTW, can't go with a metal or tile roof...needs to look similar to architectural shingles. Thanks, y'all.
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Old 05-20-2009, 05:11 PM
 
434 posts, read 976,528 times
Reputation: 154
the best roofing material is, in my opinion, LARGE solar panels (preferably covering the entire south side of the roof.
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Old 05-20-2009, 05:22 PM
 
Location: Great State of Texas
86,067 posts, read 78,512,382 times
Reputation: 27662
I got a metal roof when it had to be replaced. I realize lots of folks in HOA subdivisions can't get them but they are great..and NO the rain does not make a lot of noise

I always wondered though about HOA subdivisions..the pool/rec house areas and the mailbox areas all have metal roofs while the homes have shingles.
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Old 05-20-2009, 06:06 PM
 
Location: Austin, TX
16,791 posts, read 44,844,144 times
Reputation: 9433
Cool roofing on commercial buildings, mostly low slope, yes, they are in common use. On residential, NO, most HOA's and neighborhood organizations would have a fit.

My general rule is always pick the lightest colored roofing material available.

I think galvanized metal roofs are great, to bad some HOA's won't allow them.
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Old 05-20-2009, 06:07 PM
 
Location: Austin, TX
16,791 posts, read 44,844,144 times
Reputation: 9433
Quote:
Originally Posted by austinite45 View Post
the best roofing material is, in my opinion, LARGE solar panels (preferably covering the entire south side of the roof.
Solar panel configurations are rarely waterproof.
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Old 05-20-2009, 07:04 PM
 
1,961 posts, read 5,669,317 times
Reputation: 570
We paid extra for a high R value decking under our roof that is supposed to make a difference. It was part of the money I spent to make my house an energy star house. It is way to early to see if it made a difference.
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Old 05-21-2009, 09:39 AM
 
Location: Avery Ranch, Austin, TX
8,852 posts, read 15,258,216 times
Reputation: 3873
Quote:
Originally Posted by woodinvilleguy View Post
We paid extra for a high R value decking under our roof that is supposed to make a difference. It was part of the money I spent to make my house an energy star house. It is way to early to see if it made a difference.

I'm also checking into under-deck insulation but will probably go with DIY spray foam(soy based). Meanwhile, we are replacing our roof(along with MANY neighbors) pretty soon and would like to use a high-impact rated, thermally efficient shingle...not sure why Owens Corning doesn't want us to have their product...looking into other options.
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