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Supro - Breathable roof underlay
Description

Water resistant, vapour permeable, reinforced heavyweight membrane, for secondary external protection of rainscreened walls, tiled or profiled metal roofs and suspended timber floors.

  • Type LR underlay to BS5250.
  • Suitable for use supported or unsupported, in pitched roof assemblies.
  • Suitable for use in pitched roof assemblies without eaves or ridge ventilation.
  • Suitable for use in warm, hybrid or cold roofs.
  • Spunbonded polyethylene and polypropylene composition.
  • 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): 180N.
  • Flammability (to DIN 4102): B2.
  • Complies fully with BS5534:2014, Annex A, for UK Wind Zones 1-5.

Lap:

150 mm.

General information

Finish

Textured fabric

Color

Light grey

Features

Water resistant, breathable, strong, integral tape

Material

Polyethylene and polypropylene

Shape

Roll

Size

1.0 x 50 m and 1.5 x 50 m

WarrantyDescription

10 years

Uniclass 2015

Pr_25_57_10_94 Vapour permeable sheetsPrimary

CAWS

H20/10 Sheet cladding

H20/150 Sheet cladding

H20/155 Sheet cladding

H21/10 Vertical timber weatherboarding

H21/110 Vertical timber weatherboarding

H21/111 Horizontal timber weatherboarding

H21/115 Vertical timber weatherboarding

H21/116 Horizontal timber weatherboarding

H21/130 Breather membrane

H21/15 Horizontal timber weatherboarding

H21/20 Breather membrane

H30/10 Fibre cement

H30/110 Fibre cement

H30/120 Fibre cement

H30/350 Breather membrane

H30/50 Breather membrane

H31/10 Metal

H31/280 Breather membrane

H31/55 Breather membrane

H60/10 Vertical tiling

H60/105 Clay roof tiling

H60/110 Clay roof tiling with counterbattens

H60/120 Concrete roof tiling

H60/125 Concrete roof tiling with counterbattens

H60/145 Clay vertical tiling

H60/155 Concrete vertical tiling

H60/3 Roof tiling

H60/5 Roof tiling with counterbattens

H61/10 Vertical slating

H61/105 Roof slating

H61/110 Roof slating with counterbattens

H61/120 Vertical slating

H61/3 Roof slating

H62/10 Vertical slating

H62/105 Roof slating

H62/110 Roof slating with counterbattens

H62/120 Vertical slating

H62/125 Roof slating

H62/130 Roof slating with counterbattens

H62/140 Vertical slating

H62/145 Roof slating

H62/150 Roof slating with counterbattens

H62/3 Roof slating

H62/5 Roof slating with counterbattens

H64/10 Wood shingle/ shake roofing with counterbattens

H64/110 Wood shingle/ shake roofing

H64/120 Wood shingle/ shake roofing with counterbattens

H64/130 Vertical wood shingle/ shakes

H64/15 Vertical wood shingle/ shakes

H64/5 Wood shingle/ shake roofing

H65/10 Reconstituted slate roof tiling with counterbattens

H65/105 Clay roof tiling

H65/110 Clay roof tiling with counterbattens

H65/115 Concrete roof tiling

H65/120 Concrete roof tiling with counterbattens

H65/125 Reconstituted slate roof tiling

H65/130 Reconstituted slate roof tiling with counterbattens

H65/135 Ceramic slate roof tiling

H65/140 Ceramic slate roof tiling with counterbattens

H65/3 Roof tiling

H65/5 Roof tiling with counterbattens

H65/8 Reconstituted slate roof tiling

H67/110 Metal roof tiling

H67/120 Metal roof tiling with counterbattens

H67/130 Metal vertical tiling

H67/5 Metal roof tiling with counterbattens

H67/8 Metal vertical tiling

H92/120 Rainscreen cladding

K20/150 Battened timber board floating floor

K20/20 Battened timber board floating floor

K21/111 Wood floating floor

M30/265 Building paper

P10/320 Breather membrane

P10/65 Breather membrane

Specification data - Vapour permeable sheets

Product Reference

Tyvek® Supro

Roll size

1 x 50 m

1.5 x 50 m

Contractor's choice

Accessories

Tyvek 2060B Tape

Tyvek® Double Sided Acrylic Tape

Tyvek® Butyl Tape

Standard product features

Material:

  • Thickness: 0.45 mm.
  • Weight: 145 g/ m².

Product 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.

Digital objects
PlatformCompatibleVersionCertified to
Revit
Revit 2016 6 2.0
IFC
IFC2X3 5 1.3
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