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Abstract
The use of vulcanized EDPM rubber for low-sloped roofing membranes has become common in the U.S. Recent estimates indicate that over 90 milion square meters are being applied annually. Proper seam formation is a critical parameter associated with long term performance of EPDM roofing systems. One factor affecting the performance of seams made to an existing, aged EPDM membrane is the level of contamination on the surface before bonding to it. This factor is of importance because, as time passes, roof repair is often unavoidable, and patches and splices to roofing membranes in service are performed. This paper presents the results of the effect of different levles of contamination removal by a nonpolar and low polar solvent on the wetability and adhesive bonding of an EPDM roofing membrane that had been exposed in service.
The use of vulcanized EDPM rubber for low-sloped roofing membranes has become common in the U.S. Recent estimates indicate that over 90 milion square meters are being applied annually. Proper seam formation is a critical parameter associated with long term performance of EPDM roofing systems. One factor affecting the performance of seams made to an existing, aged EPDM membrane is the level of contamination on the surface before bonding to it. This factor is of importance because, as time passes, roof repair is often unavoidable, and patches and splices to roofing membranes in service are performed. This paper presents the results of the effect of different levles of contamination removal by a nonpolar and low polar solvent on the wetability and adhesive bonding of an EPDM roofing membrane that had been exposed in service.
Date
4/1994
4/1994
Author(s)
T Nguyen; W Rossiter Jr
T Nguyen; W Rossiter Jr
Page(s)
3
3
Keyword(s)
EPDM; surface preparation; bonding; wetability; seam performance
EPDM; surface preparation; bonding; wetability; seam performance