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Tyvek® Supro Plus – Breather Roof Underlay

Verified by manufacturer 3 months ago

DuPont™ Tyvek® Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

Breathable roof underlay with adhesive lap tape.

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Suitable for use supported or unsupported, in pitched roof assemblies, including those without eaves or ridge ventilation.


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

Features and benefits:

  • Type LR underlay to BS 5250.
  • Sealed laps reduce air infiltration and improve thermal efficiency.
  • Spunbonded polyethylene and polypropylene composition with acrylic adhesive.
  • 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











50 mm


1.0 mm

1.5 mm

3 mm

Warranty description

15 year


Pr_25_57_10_94 Vapour-permeable sheetsPrimary


H21/115 Vertical timber weatherboarding

H30/10 Fibre cement

H30/110 Fibre cement

H30/350 Breather membrane

H30/50 Breather membrane

H30/120 Fibre cement

H31/10 Metal

H31/55 Breather membrane

H31/280 Breather membrane

H60/10 Vertical tiling

H60/105 Clay roof tiling

H60/110 Clay roof tiling with counterbattens

H60/155 Concrete vertical tiling

H60/3 Roof tiling

H60/5 Roof tiling with counterbattens

H60/120 Concrete roof tiling

H60/125 Concrete roof tiling with counterbattens

H60/145 Clay vertical tiling

H61/10 Vertical slating

H61/105 Roof slating

H61/110 Roof slating with counterbattens

H61/3 Roof slating

H61/120 Vertical slating

H62/10 Vertical slating

H62/105 Roof slating

H62/110 Roof slating with counterbattens

H62/3 Roof slating

H62/5 Roof slating with counterbattens

H62/140 Vertical slating

H62/145 Roof slating

H62/150 Roof slating with counterbattens

H62/120 Vertical slating

H62/125 Roof slating

H62/130 Roof slating with counterbattens

H64/10 Wood shingle/ shake roofing

H64/110 Wood shingle/ shake roofing

H64/120 Wood shingle/ shake roofing with counterbattens

H64/5 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

H65/110 Clay roof tiling with counterbattens

H65/3 Roof tiling

H65/5 Roof tiling

H65/8 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

H65/115 Concrete roof tiling

H65/120 Concrete roof tiling with counterbattens

H65/125 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

H67/8 Metal vertical tiling

H92/120 Rainscreen cladding

M30/265 Building paper

Specification data - Vapour-permeable sheets


To BS EN 13859-2.

Performance characteristics

Water resistant.

Vapour permeable.

Class (minimum)







Third-party certification

British Board of Agrément (BBA) Certificate.

Weight (minimum)

145 g/m².

Thickness (minimum)

0.45 mm.


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)


Sustainability data

Contains Red List materials


Country of material origin


Country of product manufacture


Embodied carbon

A1-A3 (production stage) as defined in BS EN 15804

0.54 kg CO₂ eq/kg


All packaging materials can be reused (e.g. pallets),
recycled or valorised through energy recovery.
The material itself is not intended to be re-used or recycled.
Energy recovery is possible.

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Platform Compatible Version




Third party certifications

BBA Agrément Certificate

BBA Agrément Certificate

08/4548, Product Sheet 1

BBA Agrément Certificate

BBA Agrément Certificate

08/4548, Product Sheet 2


Tyvek Technical Wall Manual 2022

Tyvek Technical Wall Manual 2022

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