Enviroseal Wrap HTX Roof Underlay

Bradford Enviroseal™ Wrap™ HT-X is a reinforced, self supporting vapour permeable construction membrane, designed as an underlay under metal, tile and slate roofs.

Enviroseal™ Wrap™ HT-X is constructed from a white, UV stabilised tear resistant 3-ply fire retardant spun bonded polyolefin membrane with reinforcement scrim for use in commercial and residential applications up to NZ wind zone ‘extra high’.

HT-X offers a combination of high tensile strength and high water holdout without compromising vapour permeability to help protect the building fabric and insulation from condensation and related problems such as mould, timber rot, corrosion and loss of thermal resistance.


Key Benefits:

  • High water hold-out
  • High tensile and nail tear strength
  • Highly vapour permeable
  • Self supporting
  • Soft facings reduce flapping noise
  • White fabric reflects light
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