Duct and Insulation Tapes 600 Series   –  Vent tape   –  Vent tape (uses #647 stock); aluminum foil/non-woven; high tack adhesive. Economical, superior performance, super wet stick and holding power for use in HVAC, asbestos removal, industrial packaging, bundling and as bottom board tape in manufactured homes. Meets Specs: UL 723, Flame Spread lndex-10, Smoke Development lndex-10; HUD Std. 280-715C.   –  Carolina Tape   –