Everbuild p19 plumbers ptfe silicone spray everbuild p19silspray p19 ptfe super concentrate silicone spray is a multi purpose dry silicone lubricant ideal for use in the plumbing industry it is ideal for use in easing the installation of all types of plastic pipe joints and threads inserting rubber gaskets and o rings and has 100 s of uses around the home garage workshop and industry the advanced silicone formula eases friction between any two surfaces and also stops squeaks everbuild