This Tyvek Supro Plus membrane is durable and extremely water-resistant and has been reinforced with laminated nonwoven polypropylene. This airtight yet vapour-permeable membrane can be used for all supported and unsupported pitched roofs with BBA and IAB approval. Without the ... Read More
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Find out moreThis Tyvek Supro Plus membrane is durable and extremely water-resistant and has been reinforced with laminated nonwoven polypropylene. This airtight yet vapour-permeable membrane can be used for all supported and unsupported pitched roofs with BBA and IAB approval.
Without the requirement for ridge, tile or soffit ventilation, this DuPont membrane can cut back on time and money in the installation process. It is suitable for a variety of applications including warm, hybrid and cold roofs as well as low-pitched metal roofs, Scottish sarking board systems and floor and wall applications. Withstanding prolonged UV radiation exposure for four months, this Tyvek Supro Plus membrane can endure high temperatures.
Offering the same benefits as Tyvek Supro, with an additional integral adhesive lap tape for use in the Tyvek sealed roof system, this Tyvek Supro Plus membrane helps to seal all the horizontal laps which reduces air infiltration and contributes to your system's thermal efficiency.
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Question:
Relating to BS5250 :Tyvek Supro is vapour permeable but not air permeable. Therefore under NHBC standards (2011) am I correct in saying that where there is not eaves to eaves ventilation a continuous opening of 5mm must be provided at ridge level? I have seen Tyvek Pro installed where both ridge and eave ventilation have been removed.
Answer:
If installing this membrane we would advise to also have eaves and ridge ventilation to allow the roof to breathe.
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