Membrane Compatibility Choices

Membrane Compatibility Choices

Submitted by Tom Urich, Section 7 Marketing for publication by CSI 4/24/2018.

In recent years, the design community has accepted the use of self-­‐adhered membranes to be used as additional protection against water and air intrusion into the building envelope. These products are typically 40 to 60 mils thick with a release paper on the back and are manufactured by at least 10 manufacturers. The chemical composition of these membranes is usually a blend of SBS rubber with asphalt or a butyl based rubber product. The self-­‐healing properties and ease of application has made these products popular for application under parapet wall coping, curbs, valleys and many other conditions that warranty special attention.

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