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Tyvek® Supro – Breather Roof Underlay

Name: Tyvek® Supro – Breather Roof Underlay
Brand: DuPont™ Tyvek®
SKU: n7K8GxvQYJdZozYbbpvNvV

NBS BIM object standard

Verified by manufacturer 27 days ago

DuPont™ Tyvek®

Third party certifications:

BBA Agrément Certificate
Certificate type
QA Certificate
Certificate type

Breathable roof underlay.

Jump to:

+44 (0) 117 452 9050 Website

Application

Suitable for use in supported or unsupported pitched roof assemblies, including those without eaves or ridge ventilation.
For use in warm, hybrid or cold roofs.
For secondary external protection of rain screened walls, tiled or profiled metal roofs and suspended timber floors.

Description

Water resistant, vapour permeable, reinforced heavyweight membrane.

Features and benefits:

Type LR underlay to BS 5250.
Spunbonded polyethylene and polypropylene composition.
Head of water sustained without penetration (to BS 20811): 2 m.
Complies fully with BS 5534:2014 Annex A for UK Wind Zones 1–5.

General information

Color	Grey
Finish	Textured
Material	Polyethylene Polypropylene
Shape	Other
Length	50 mm
Width	1.0 mm 1.5 mm 3 mm
WarrantyDescription	15 year

Uniclass	Pr_25_57_10_94 Vapour-permeable sheetsPrimary
CAWS	H20/10 Sheet cladding H20/155 Sheet cladding H20/150 Sheet cladding H21/10 Vertical timber weatherboarding H21/110 Vertical timber weatherboarding H21/20 Breather membrane H21/130 Breather membrane H21/15 Horizontal timber weatherboarding H21/116 Horizontal timber weatherboarding H21/115 Vertical timber weatherboarding H21/111 Horizontal timber weatherboarding H30/10 Fibre cement H30/110 Fibre cement H30/50 Breather membrane H30/120 Fibre cement H30/350 Breather membrane H31/10 Metal H31/280 Breather membrane H31/55 Breather membrane H60/10 Vertical tiling H60/105 Clay roof tiling null Clay roof tiling with counterbattens H60/155 Concrete vertical tiling H60/3 Roof tiling null Roof tiling with counterbattens H60/120 Concrete roof tiling null Concrete roof tiling with counterbattens H60/145 Clay vertical tiling H61/10 Vertical slating H61/105 Roof slating null Roof slating with counterbattens null Roof slating H61/120 Vertical slating H62/10 Vertical slating H62/105 Roof slating null Roof slating with counterbattens null Roof slating with counterbattens H62/3 Roof slating H62/140 Vertical slating H62/145 Roof slating null Roof slating with counterbattens H62/120 Vertical slating H62/125 Roof slating null Roof slating with counterbattens H64/10 Wood shingle/ shake roofing H64/110 Wood shingle/ shake roofing null Wood shingle/ shake roofing with counterbattens null Wood shingle/ shake roofing H64/130 Vertical wood shingle/ shakes H64/15 Vertical wood shingle/ shakes H65/10 Reconstituted slate roof tiling H65/105 Clay roof tiling null Clay roof tiling with counterbattens H65/5 Roof tiling null Reconstituted slate roof tiling null Roof tiling null Reconstituted slate roof tiling with counterbattens H65/135 Ceramic slate roof tiling null Ceramic slate roof tiling with counterbattens H65/115 Concrete roof tiling null Concrete roof tiling with counterbattens H65/125 Reconstituted slate roof tiling H67/110 Metal roof tiling null Metal roof tiling with counterbattens H67/130 Metal vertical tiling H67/8 Metal vertical tiling H67/5 Metal roof 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 P10/65 Breather membrane P10/320 Breather membrane

Specification data - Vapour-permeable sheets

Standard	To BS EN 13859-2.
Performance characteristics	Water resistant. Vapour permeable.
Class (minimum)	W1.
Material	Polypropylene. Polyethylene.
Form	Spun-bonded.
Third-party certification	British Board of Agrément (BBA) Certificate.
Weight (minimum)	145 g/m².
Thickness (minimum)	0.45 mm.

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.
Water vapour permeability	≤935 g/m² per day.
Tear resistance (to BS EN 12310-1)	180 N.
Flammability (to DIN 4102)	B2.