Airlok® STPE System is a Silyl Terminated Polyether (STPE), which is a high performance coating providing extended service life in wall cavities. This product is typically used as a fluid-applied Air Barrier/WRB used prior to the installation of cladding. Typical applications include coating masonry, masonry cavity, poured and precast walls. Additional applications include plywood, oriented strand board (OSB), and exterior-grade gypsum sheeting which shall be covered with an exterior facade.
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