PROCTOR Procheck® 300 VCL Reinforced Vapour Barrier - 50m x 2m Net but they also create a

but they also create a moisture barrier

Reliable joints: waterproof SOLID adhesive has extremely strong adhesion on mineral subsurfaces too

Avoid folds in the tape and work with short(er) overlapping pieces

it's an ideal alternative to masonry substrates for domestic and commercial applications

PROCTOR Procheck® 300 VCL Reinforced Vapour Barrier - 50m x 2m Net but they also create aProcheck 300 is a lightweight, reinforced, polyethylene vapour control layer for use within roof and wall constructions to prevent warm, moist air escaping from inside the building and condensing within the insulation. The woven, polypropylene, multifilament scrim reinforcement provides excellent resistance to tears and punctures to withstand tough site conditions and is unaffected by chlorine.