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Description
The Protect VP400 Plus is a high-performance breathable roofing membrane with the lowest vapour resistance of any type LR roofing underlay in its class. The water and airtight membrane is suitable for use in all cold and warm pitched roof installations, and can be used as a temporary roof covering during construction*. Ensure the ultimate protection for your roof structure with the VP400 Plus breathable membrane.
VP400’s triple ply composition is strong and durable. Offering impressive wind uplift resistance, it meets requirements for unrestricted use in zones 1-5 at 345mm batten gauge. At 170 grams per metre squared, the UKCA and CE marked Protect VP400 Plus is a premium underlay that is still lightweight enough to be easy to handle and install. Roofing Supplies UK are pleased to offer the VP400 in two sizes, simply select the option that suits your breathable membrane needs from the dropdown box.
Why Choose this Protect VP400 Plus LR Breathable Membrane?
- Highly vapour permeable
- Suitable for cold & warm pitched roofs
- Good wind uplift resistance
- Strong & durable
- Extremely water resistant
- UKCA/CE marked
Product Specifications:
Size: 1m x 50m / 1.5m x 50m (select from dropdown)
Nominal Weight: 170 g/m²
Roll Weight: 9.68 kg (1m) / 14.81 kg (1.5m)
Total Area Coverage: 50m² (1m) / 75m² (1.5m)
Unaged Tensile Strength MD / CD: 325 / 305 N/50mm
Aged Tensile Strength MD / CD: 290 / 295 N/50mm
Resistance to Tearing MD / CD: 248 / 294 N
Resistance to Water Penetration: W1 Class
Water Vapour Resistance: 0.08 MNs/g / 0.016 Sd
Flexibility at Low Temperature: -40°C
UV Stability: 3 months
Please note: *Air and vapour permeable underlays are not a total waterproof barrier and, if used as a temporary waterproof covering, some rain penetration may occur. In certain conditions, particularly if there is persistent heavy rainfall combined with subsequent freeze/thaw conditions, an underlay should not be exposed for more than a few days. In the event of severe weather conditions, the product should be covered with tarpaulin (referenced in BBA Bulletin No 2. “Guide to Good Site Practice”)
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