Vapour barrier polyethylene Ultra + SPECIFICATIONS Calibre ♦ Width : 1' to 20' Length : 25' to 500' Finish : Clear Packaging : Bag or box Folding : S, J, W, 6 or 8 USE Protect the building thermal insulation Reduce radon penetration through concrete slabs and foundations SEE AVAILABLE DIMENSIONS Ultra X Pro SPECIFICATIONS Calibre ♦ Width : 10' to 20' Length : 100' Finish : Clear Packaging : Bag Folding : J, W USE Protect the building thermal insulation Reduce radon penetration through concrete slabs and foundations SEE AVAILABLE DIMENSIONS