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Old 08-07-2009, 04:35 PM   #16
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Energy Star Qualified Asphalt roofing shingles?


unfortunately i gave up on the energy star roof.

the white was hideous, and the metal was too expensive.

oh well.

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Old 08-11-2009, 03:35 PM   #17
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Energy Star Qualified Asphalt roofing shingles?


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Originally Posted by pcampbell View Post
unfortunately i gave up on the energy star roof.

the white was hideous, and the metal was too expensive.

oh well.
These don't look to bad. I was afraid the only choice would be bright white but there seems to be at least some shade choices:
http://www.gaf.com/Content/GAF/RES1/...lor.asp?viewer=
Were they not available in your area?

Ed, you put on a lot of roofs every year. Are these GAF Prestique ok? If you had to choose which energy star dimensional would you prefer?
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Old 08-11-2009, 04:03 PM   #18
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Energy Star Qualified Asphalt roofing shingles?


I was told they are not available here in NJ.
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Old 08-11-2009, 09:46 PM   #19
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Energy Star Qualified Asphalt roofing shingles?


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These don't look to bad. I was afraid the only choice would be bright white but there seems to be at least some shade choices:
http://www.gaf.com/Content/GAF/RES1/...lor.asp?viewer=
Were they not available in your area?

Ed, you put on a lot of roofs every year. Are these GAF Prestique ok? If you had to choose which energy star dimensional would you prefer?
I heard decent things about them when they were the ELK version for the Energy Star Rating, but nothing so far since the GAF take over.

I haven't put any Energy Star rated shingles on yet.

Price point and suppliers not even knowing about them so far has been the biggest draw backs.

Ed
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Old 08-13-2009, 09:07 PM   #20
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Energy Star Qualified Asphalt roofing shingles?


Ed,

I was at a distributor seminar a couple of weeks ago, and the Certainteed reps indicated a price north of $160/sq. for qualifying shingles. Is that about what you are hearing?
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Old 08-13-2009, 10:36 PM   #21
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Energy Star Qualified Asphalt roofing shingles?


Which way is North regarding a price?

I presume you mean slightly higher than that amount, right?

They were so much more expensive, I didn't even bother trying to remember the cost, because the majority of my local area is middle class blue collar families who need a good roof, even if it costs more for value, but Not an Expensive roof.

At least not yet.

Ed
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Old 08-14-2009, 09:30 PM   #22
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Energy Star Qualified Asphalt roofing shingles?


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Actually the point is that here in the snowy North we WANT black shingles to soak up the sun & heat. In most cases once the sun hits it the snow melts very quickly
If we were to use white/light shingles then it would not melt as fast
Most winters my roof is black the majority of the time
Sounds like it is time to invest in some insulation.
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Old 08-14-2009, 10:24 PM   #23
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Energy Star Qualified Asphalt roofing shingles?


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Sounds like it is time to invest in some insulation.
If I didn't have insulation the snow would melt faster

This is about snow melting on the roof due to sunshine hitting a black roof
Nothing to do with insulation

Last edited by Scuba_Dave; 08-15-2009 at 09:08 AM. Reason: sp
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Old 08-15-2009, 09:03 AM   #24
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Energy Star Qualified Asphalt roofing shingles?


We get plenty of snow. The darker roofs melt off so much faster. No different than asphalt compared to concrete driveway. The concrete is often icy, but the asphalt melts and dries much quicker.

The white roofs are almost worthless anywhere up here, IMO.
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Old 01-30-2010, 02:25 PM   #25
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Ed the Roofer - just curious...

Isn't the cooling efficiency of your standard roof more a factor of ventilation than of roof color?

I was under the impression that, given proper ventilation, the attic space should be within 10 degrees of the outside ambient temperature, and that the airflow in the attic space is driven by the heat generated by the sun on the roof - in which case, a reflective roof wouldn't generate as much air flow.

If that is generally true, isn't it unfair to everyone only to include reflective colors without consideration that a proper re-roof job should also ensure proper soffit vent to ridge vent ratio for efficient attic ventilation? Won't a proper re-roof result in reduced cooling costs regardless of color?

Is this a case of bureaucratic incompetence and misplaced priorities or am I all wet?
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Old 02-01-2010, 11:44 AM   #26
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If I didn't have insulation the snow would melt faster

This is about snow melting on the roof due to sunshine hitting a black roof
Nothing to do with insulation
How do you suppose the sun know that your roof is a dark color under all that snow??

You are right though when you say "If I didn't have insulation the snow would melt faster" However if you had more wouldn't it melt slower??
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Old 02-01-2010, 11:49 AM   #27
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Energy Star Qualified Asphalt roofing shingles?


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Isn't the cooling efficiency of your standard roof more a factor of ventilation than of roof color?
I think ventilation is critical to removing the hot moist air from an attic space, but I think the sell of the Energy star shingles is that it reduces the build up of heat. And it seems to make sense that although removing the heat is good, reducing the heat buildup altogether is better.
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Old 02-01-2010, 12:03 PM   #28
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How do you suppose the sun know that your roof is a dark color under all that snow??

You are right though when you say "If I didn't have insulation the snow would melt faster" However if you had more wouldn't it melt slower??
Ridge melts 1st, top portion of the roof snow does not stick usually due to wind & also rafter vents letting out minimally heated air
As well as the edges of the roof
So, yes a black/dark roof DOES a make a difference
Just like the blacktop on the driveway melts faster
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Old 02-01-2010, 12:14 PM   #29
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Energy Star Qualified Asphalt roofing shingles?


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Actually the point is that here in the snowy North we WANT black shingles to soak up the sun & heat.
At first glance, you might think you want a hot attic space, I've even heard of people blocking their attic vents to trap the heat in, in the winter. But that is actually really bad for your home, it keeps moist air in the attic and can condense on the cool sheathing and this puts water in your attic. This can create a mold problem and get your insulation wet. Once insulation gets wet or moist it becomes a very poor insulator, so it's not working nearly as well as it should.

Also you would create the potential for ice damming to occur at the eaves where it is cooler.

Attics aren't meant to help heat the house that is why insulation is so important.
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Old 02-01-2010, 12:25 PM   #30
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Energy Star Qualified Asphalt roofing shingles?


What attic ? I don't have an attic

And who said I wanted a hot attic or unvented ?
I want the shingles to soak up heat & melt snow

And my friends Attic is fully insulated & sheetrocked & DOES help keep the house warmer

Wow...over 17,000 views...
I guess some people are interested in the shingles

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