RectorSeal's line of chemical, mechanical, and firestopping products are industry-trusted leaders of specialty chemical sealants. Their products include thread sealants, firestopping sealants, plastic pipe cements, anti-seize compounds, fluxes, lubricants, chemical cleaners, duct sealants, leak locators, and other specialized products. HVAC, plumbing, electrical, and construction contractors have come to rely on RectorSeal's professional-grade products since 1937.