Tyvek Supro is the market-leading breather membrane, helping to protect roofs against wind and water, and also improve energy efficiency.Tyvek Supro is a durable, water resistant membrane that is reinforced with a laminated polypropylene nonwoven. This airtight, vapour-permeable membrane is extremely water-resistant, and can be used for all supported and unsupported pitched roofs.Tyvek Supro does not need any soffit, tile or ridge ventilation, which can save time and money in the construction process. In addition to warm, hybrid and cold roofs, applications include Scottish sarking board systems, low-pitched metal roofs, and wall and floor applications.Temperature and UV-ResistantTyvek Supro is designed to withstand prolonged UV radiation and high temperatures, and come with full BBA and IAB approval for use in all pitched roof constructions.Key Benefits of DuPontTM Tyvek Supro Extremely water-resistant Airtight Vapour-permeable Offers superior air and moisture management for commercial and residential buildings Durable resistance to prolonged UV radiation and high temperatures Key Properties of DuPontTM Tyvek Supro Style name: 2507B Composition: Composite of high density polyethylene, polypropylene Roll size: 1.5m x 50m Roll weight: 12kg Mass per unit area: 145g/m2 UV exposure: 4 months Product / functional layer thickness: 450 / 175µm Water vapour transmission (Sd): 0.20m BBA certificate: 08/4548 CE Marking: Yes IAB certificate: 04/0157