Duct and Insulation Tapes 600 Series   –  Waterproof polycoated cloth   –  Versatile grade; waterproof polycoated cloth; high tack, natural rubber 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   –