Features :• Tuck®Tape Contractors' Sheathing Tape for PE vapor barrier • High shear adhesive provides aggressive contact on polyethylene • Strong and durable holding power • Water, moisture and mold resistant • Specifically designed to seal, seam PE Vapor Barrier, the 219-08 is the only CCMC evaluated method to seal, seam polyethylene vapor barrier film • Helps to pevent air infiltration.