Ụlọ ọrụ ụlọ ọrụ na-ere ihe na-ejide onwe ya na teepu ojii butyl waterproof wear-eguzogide nrụzi na-agbapụta oche joist teepu.

Joist Tape bụ teepu butyl enweghị mmiri nke na-eji ihe nrapado pụrụ iche na-echebe joists na ibé site na mmebi mmiri na corrosion.
A na-eji ihe ọpụrụiche nwere ike iji na okpomọkụ nke -20°F ruo 176°F maka ọnọdụ ihu igwe niile.