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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.

Lap:

100 mm.

Related literature

The following content references this product:

Standard product features

Material:

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

Options

Accessories:

- 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.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-65-50/323 Vapour permeable sheets

Product specification

An important note about specifying

Manufacturer

Name:

DuPont Tyvek

Tel:

+44 (0)844 4068722

Product reference

Tyvek® Metal

Accessories

[Tyvek 2060B Tape]
[Tyvek® Double Sided Acrylic Tape]
[Tyvek® Butyl Tape]

Manufacturer details

BBSP1,
Bristol & Bath Science Park, ,
Dirac Crescent, Emersons Green,,
Bristol,
Avon, BS16 7FR
Tel +44 (0)844 4068722
Fax
NBS Plus
NBS National BIM Library