EPS and butyl rubber
I had a question regarding a roof SIP and GRACE Ultra Peel & Stick - Butyl Based Membrane. The SIP has an EPS core and my concern is when a fastener punctures the peel & stick membrane, the rubberized butyl gets into the EPS core. It is a rubberized asphalt type of product. Since petroleum and EPS don't mix, will this cause a problem?
I read that petroleum based products can eat away at EPS and literally melt it. Will this be a problem with GRACE peel & stick on the SIP roof with an EPS core?
Posted Thu, 04/03/2014 - 00:15
Edited Thu, 04/03/2014 - 06:44
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