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Water resistant, vapour permeable heavyweight membrane with adhesive lap tape, for secondary external protection of tiled or profiled metal roofs.

  • Type LR underlay to BS5250.
  • Suitable for use supported or unsupported, in pitched roof assemblies.
  • Suitable for use as part of the 'Tyvek sealed roof system'.
  • Suitable for use in pitched roof assemblies without eaves or ridge ventilation.
  • Sealed laps reduce air infiltration and improve thermal efficiency.
  • Spunbonded polyethylene and polypropylene composition with acrylic adhesive.
  • 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 EN 12310_1): 120 N.
  • Flammability (to DIN 4102): B2.
  • Complies fully with BS5534:2014, Annex A, for UK Wind Zones 1-5.

Lap:

150 mm.

Related literature

The following content references this product:

Standard product features

Material:

  • Roll size: 1.5 x 50 m.
  • Thickness: 0.45 mm.
  • Weight: 145 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.

- Tyvek® Eaves carrier:

Pre-formed, black, semi-rigid eaves protection sheet, for installation over the fascia board to offer support to the membrane. Recommended for long term durability against UV degradation from direct sunlight. Sheet size: 220mm x 1.3m.

NBS Specification

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

NBS Specification

NBS Buliding logo
This product is associated with the following NBS clauses:

Product specification

An important note about specifying

Manufacturer

Name:

DuPont Tyvek

Tel:

+44 (0)844 4068722

Product reference

Tyvek® Supro Plus

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