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Primus Ultra is a woven polypropylene fabric with spun-bonded fabric on top. Nominal weight of 2.5 oz/yd^2.Primus Ultra+ is a woven polypropylene fabric with spun-bonded fabric on top and a non-skid coating on the bottom. Nominal weight of 2.89 oz/yd^2.
Listing Details
Category:
Roofing
Subcategory:
Underlayments
Evaluator:
-
Validator:
QAI Laboratories
Official Site Status:
Approved
Compliance Method:
Evaluation Report from a Product Evaluation Entity