VaproCaps are 1¾ inch diameter preformed head caps with a center throat hole, sealing the membrane at fastener penetration. They are designed and tested to withstand wind loads and protect against water intrusion at screw penetrations. VaproCaps are made of 100% virgin polypropylene with a carbon black UV inhibiter.
WARNING:Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Tamarack Materials, Inc. 9300 James Ave. South, Bloomington MN, 55431 US