grace roofing membrane


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Old 06-28-08, 09:53 AM
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grace roofing membrane

is this product [aka GRM] still available?
years ago my wife and i covered over some balconies with it and would like to use it again on another flat area.it was a fabulous material easy to apply and very long lasting ,but no one seems to have heard of it nowadays.
even the w.r. grace website doesn't seem to list it.maybe there is something similar in a "peel and stick" roofing material. --nicholas
 
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Old 07-04-08, 09:30 PM
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grace roofing membrane

it seems as if no one has heard of this product lately.
it was such a good product that i am surprised that it is no longer available.
equivalent to caterpillar no longer making bulldozers only backhoes.there must have been a problem either in the command structure of w.r. grace [sell your shares] 'or a problem in the customer base [sell your shares].
maybe someone else may remember this wonderful roofing material and make a statement!--nbc
 
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Old 07-05-08, 07:03 PM
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NEVER SAW IT ,EXCEPT AS AN ICE AND WATER SHIELD UNDERLAYMENT,might check into flintlastic SA at certainteed.com
 
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Old 07-07-08, 07:19 AM
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GRM --grace roofing membrane

thanks for your reply
GRM --grace roofing membrane was a fantastic multi-layered peel and stick material.
it had the backing,asphaltic sticky layer,heavy aluminum foil,and finally a layer of PVC.plus a complete range of asoc. products [primer,caulk,etc.] for its instalation.
sadly forgotten by now it seems.
how many other great products have been thrown away by companies that anyone can think off?--nbc
 
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Old 07-07-08, 07:45 AM
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You might call Grace themselves, but the only reference I could find was a patent paper description from the 80's. Some things are sold in other contries now, that used to be available here.

My wife and I had a craving for a "Vienetta" ice cream cake....used to get them every weekend when we lived in CA. Now no longer sold in the US. Not "healthy", and didn't sell well, so off the US market they went.
 
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Old 03-30-09, 10:47 AM
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GRM roofing system - Here is your answer

The GRM roofing system was originally introduced to the market in 1978 by the W. R. Grace Company but was withdrawn in the late eighties due to less than acceptable performance. This system employs Grace's “peel and stick” bituthene waterproofing technology and usually consists of gravel surfacing set into a layer of asphalt based adhesive over a single layer of bituthene material self-adhered to a LWIC substrate. Although limited performance data is available on this system, it was originally purported to have a 10 year service life estimate. The critical failure point of this system usually involved the membrane laps. As the system aged the laps began to delaminate. This delamination manifests itself as slight ridging which runs in parallel lines on approximate thirty inch centers.

Other better, modern self-adhering membranes are available today.
 
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Old 04-07-09, 07:35 PM
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New Grace Membranes?

Are the new Grace membranes getting good reviews? I am purchasing a house n Northeast Fla, and I am told that the Grace membrane is the waterproof underlayment of choice there. Thanks for any input or recommendations. Ray
 
 

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