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Tyvek® Supro – Breather Roof Underlay

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

    BBA Agrément Certificate

    Certificate type

  • QA Certificate

    QA Certificate

    Certificate type

Breathable roof underlay.

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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.

BIM objects

Platform Compatible Version
IFC

IFC2X3

5

Revit

Revit 2016

6

Literature

Tyvek Technical Wall Manual 2022

Tyvek Technical Wall Manual 2022

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

Additional certifications:

  • CE Marking: CPD 89/106

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