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Drainage membrane for zinc, copper, stainless steel and aluminium standing seam metal roofs.

  • Enables drainage of condensate, with appropriate detailing.
  • Suitable as roof underlay for profiled metal industrial roofs.
  • Suitable as separation layer for copper, zinc, aluminium or stainless steel standing seam metal roofs, laid over open jointed timber boards, ply or OSB sheathing. Not suitable for use beneath lead.
  • Suitable for use in SiPs based pitched roof assemblies.
  • Sealed laps reduce air infiltration and improve thermal efficiency.
  • Polyethylene membrane with polypropylene drainage mat.
  • Water vapour permeability (to BS 3177): 935 g/ m²/ day.
  • Head of water sustained without penetration (to BS 20811): 2 m.
  • Nail tear resistance (to BS EN 12310-1): 180/ 200 N.


100 mm.

General information

Roll size: 1.1 x 30 m

Thickness: 8.5 mm

Weight: 410 g/ m²

Uniclass 2015
Pr_25_57_10_94 Vapour permeable sheetsPrimary
Specification data - Vapour permeable sheets
Product Reference

Tyvek® Metal


Tyvek 2060B Tape

Tyvek® Double Sided Acrylic Tape

Tyvek® Butyl Tape

Standard product features


  • Roll size: 1.1 x 30 m
  • Thickness: 8.5 mm.
  • Weight: 410 g/ m².

Product Options


- Tyvek 2060B Tape:

Single sided tape for sealing overlaps in Tyvek® membranes and making good around penetrations, pipework, windows and door openings. Very durable ensuring long term performance. Roll size: 75mm x 25m.

Double sided. For sealing to masonry, metal, plastics or wood, at laps or perimeters.

- Tyvek® Double Sided Acrylic Tape:

Double sided acrylic tape for sealing laps in Tyvek® membrane and bonding to smooth surfaces. Excellent adhesion properties under extreme conditions. Strong initial tack. Roll size: 50mm x 25m.

- Tyvek® Butyl Tape:

Double sided butyl based sealant, used to seal fixing penetrations in a Tyvek® membrane and form a moisture and airtight seal between a Tyvek® membrane and most commonly used building materials. Tape is compatible with brickwork, blockwork, masonry, timber, metalwork and most plastic products. Roll sizes: 20mm x 30m, 50mm x 30m.

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