Supro - Breathable roof underlay

Third party certifications:

BBA Agrément Certificate
Certificate type
QA Certificate
Certificate type

Breathable roof underlay

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+44 (0)844 4068722 www.construction.tyvek.co.uk

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.

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