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Old 11-26-2009, 11:08 AM   #1
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What is the difference?

I have a small low sloping roof that needs to be re-roofed. Three contractors looked at my 2 on 12 roof and gave me proposals for three different GAF products. Which one should I go with and why?
SBS Modified Bithumen Granular Peel and Seal
.60 mil single ply EPDM


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Old 11-26-2009, 12:35 PM   #2
Join Date: Oct 2009
Location: Wisconsin
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What is the difference?

Depends on what youre really looking for. T.P.O will probably be out of your price range as well as rubber. Most customers I deal with want the Liberty Base Cap and Sheet from GAF. That is what I use. Best protection for the price and it can also match the color of your roof. I assume the guy with the S.B.S would be using the product I just mentioned.

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Old 11-26-2009, 01:33 PM   #3
Join Date: Nov 2009
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What is the difference?

Thanks BB5144
The difference in the cost of the TPO over the rubber is about $400.
I wanted to know what the difference in performance was.
Should one of the three outlast the others by a long time?
Is one a better product to protect against leaks?
The weather in CT is just starting to get cold is there an advantage of one over the others in cold weather application?
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bithumen granular, epdm, tpo

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