DuPont™ Tyvek® Supro/Supro Plus
Reinforced Vapour Permeable Underlay for Pitched Roofs (Type LR), Class W1
DuPont™ Tyvek® Supro is designed for supported or unsupported installation in pitched roof constructions, providing reliable secondary weather protection for non‑ventilated roofs.
Tyvek® Supro Plus includes integral adhesive lap tape to support sealed laps and improved wind resistance.
Key benefits for specification:
- Features a functional layer 6 to 8 times thicker than standard multilayer roof underlays
- Maintains performance under heat, UV exposure and mechanical stress
- Proven to outlast many multilayer membranes commonly used in pitched roofs
- Reduces long‑term risk of membrane degradation, failure and costly remediation
Specification support: our technical experts provide free, project‑specific support and will respond within 48 hours.
DuPont™ Tyvek® Supro/Supro Plus
DuPont™ Tyvek® Supro is a water-resistant breather membrane that offers professionals a durable, lightweight, and versatile solution. It is also available with integral tape as DuPont™ Tyvek® Supro Plus.
Enhanced Durability and Protection
- 6-8 times thicker functional layer than standard multilayer products
- Provides long-term protection against moisture and structural damage
- Superior durability against wind damage, uplift, and dislodged tiles
- Outlasts many multilayer underlays in the market
Performance Under Extreme Conditions
- UV resistance for up to 4 months
- Can withstand temperatures up to 100°C
- Backed by a 15-year warranty for reliable roof protection
Support for Sustainable Practices
- Achieves Class W1 watertightness standards
- Supports BREEAM and LEED certifications
- Reduces heat loss by up to 25%
- Mitigates wind washing by up to 80% compared to air-open membranes
Streamlined Installation for Roofers
- Lightweight materials for easy handling
- Access to necessary supplies through DuPont’s extensive merchant network
Contact us for dedicated technical support throughout the installation process.
Features & benefits
| Feature | Benefit |
|---|---|
| Exceptionally thick functional layer |
|
| Windtight |
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| Extremely water-resistant W1 level |
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| Durable resistance to damage from UV and heat |
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| Breathable, tested and certified |
|
Physical properties
| Method | Unit | Value | |
|---|---|---|---|
| Mass per unit area | EN 1849-2 | g/m2 | 145 |
| Maximum tensile force (MD) | EN 12311-1 | N/50mm | 300 |
| Elongation at max. tensile force (MD) | EN 12311-1 | % | 14 |
| Maximum tensile force (XD) | EN 12311-1 | N/50mm | 245 |
| Elongation at max. tensile force (XD) | EN 12311-1 | % | 23 |
| Resistance to tearing MD (nail shank) | EN 12310-1 | N | 190 |
| Resistance to tearing XD (nail shank) | EN 12310-1 | N | 205 |
How-to videos
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