Re: blue tuck tape for vapor barrier The blue tape is spaced at 4.5mil as the white and red tapes are 3mil the only difference i see.

what tape do you use for vapor barrier? PERMINATOR TAPE is a self-adhesive tape, used in conjunction with the application of PERMINATOR underslab vapor barrier. PERMINATOR TAPE is for use in sealing vapor barrier seams and attachment to footings, protrusions, etc.

In respect to this, is Tuck Tape a vapor barrier?

Cantech Blue Sheathing Tuck Tape for PE Vapor Barrier This tape is made of a UV resistant polypropylene film and coated with a specially formulated solvent-based acrylic adhesive. This tape has been specifically designed to seal, seam PE Vapor Barrier.

Is Tuck Tape waterproof?

Tuck Tape® Sheathing Tape is CCMC approved and has a high shear adhesive that provides aggressive contact, provides strong and durable holding power, is water and moisture resistant, while preventing air infiltration.