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Brian Payne, AIA
Senior Member
Username: brian_payne

Post Number: 51
Registered: 01-2014


Posted on Thursday, September 11, 2014 - 02:04 pm:   Edit PostDelete PostPrint Post

Yes, another single ply membrane thread. :-( I do have a question as far as manufacturer's go. I prefer specifying Sarnafil G410, but have run into issues when specifying two others in order to have a min. of three manufacturers.

While I have specified them, IB Roofing just doesn't have a local presence in order to maintain competition.

I also have revised the ASTM's to allow Fibertite to directly compete against Sarnafil.

Do you have any pros/cons on specifying Carlisle?

Any others?
Jerome J. Lazar, RA, CCS, CSI, SCIP
Senior Member
Username: lazarcitec

Post Number: 1172
Registered: 05-2003
Posted on Thursday, September 11, 2014 - 03:14 pm:   Edit PostDelete PostPrint Post

Ahh Fibertite & Sarnafil my two favorites.
How about Flex, they manuf a PVC roof
http://flexroofingsystems.com/roofing-systems/flex-pvc-single-ply.php
Scott Piper
Junior Member
Username: spiper

Post Number: 2
Registered: 08-2014
Posted on Thursday, September 11, 2014 - 05:19 pm:   Edit PostDelete PostPrint Post

Our office has utilized Carlisle for a few decades (in the Chicago area) and have had good success. We do not however typically spec their PVC product (mostly EPDM) so our experience may not be relevant.

However, in terms of the Carlisle company we have been very satisfied.
Anne Whitacre, FCSI CCS
Senior Member
Username: awhitacre

Post Number: 1382
Registered: 07-2002


Posted on Monday, September 22, 2014 - 03:09 pm:   Edit PostDelete PostPrint Post

try Johns Manville instead. Carlisle is good, but it doesn't make the product in the same thicknesses, and it is a slightly modified chemistry.
I like the Carlisle product, but our roofing consultants prefer Johns Manville as the third option in a spec.
Phil Kabza
Senior Member
Username: phil_kabza

Post Number: 550
Registered: 12-2002


Posted on Wednesday, October 08, 2014 - 10:29 pm:   Edit PostDelete PostPrint Post

Anne - Is JM now producing a PVC membrane, or are they third party labeling it from another manufacturer?

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