Tyvek® Supro Plus – Breather Roof Underlay
Verified by manufacturer 8 months ago
BBA Agrément Certificate
Certificate type
Breathable roof underlay with adhesive lap tape.
Application
Suitable for use supported or unsupported, in pitched roof assemblies, including those without eaves or ridge ventilation.
Description
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
Color | Grey |
Finish | Textured |
Material | Polyethylene Polypropylene |
Shape | Other |
Length | 50 mm |
Width | 1.0 mm 1.5 mm 3 mm |
Warranty description | 15 year |
Uniclass | |
CAWS | 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
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. Guidance for specification option: 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. Guidance for specification option: 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. Guidance for specification option: 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. Guidance for specification option: 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. |
Sustainability data
Contains Red List materials | No |
Country of material origin | Germany |
Country of product manufacture | Germany |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 0.54 kg CO₂ eq/kg Self declared |
Recyclability | All packaging materials can be reused (e.g. pallets), |
BIM objects
NBS BIM Object Standard
This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.
Find out more about the NBS BIM Object Standard.
| Platform | Compatible | Version |
|---|---|---|
 Revit | - | 7 |
 IFC | - | 7 |
Third party certifications
Literature
Tyvek Technical Wall Manual 2022