Vapor barrier membrane with variable diffusion resistance for thermal modernization, applicable for the construction of walls, ceilings and roofs, as well as an internal layer ensuring air tightness.

Properties

• three-layer woven fabric based on PP foil, reinforced with a mesh structure
• variable diffusion resistance, S _d value 0.4 - 35 m
• extremely flexible and durable
• very high tear strength
• the product can also be used in conjunction with blown thermal insulation
• can be used as an over-rafter and under-rafter membrane with the appropriate thickness of Steico over-rafter insulation

Technical data

• production and marking according to DIN EN 13984: 2013
• reaction to fire class E class (according to EN 13501-1)
• surface weight 100 g / m ²
• sd value 0.4 - 35 m
• temperature resistance from -40 C to +80 C
• UV resistance in an undeveloped condition 3 months
• resistance after artificial aging in accordance with DIN EN 1296 and DIN EN 1931
• tensile strength along and across: ≥ 300/260 N / 5 cm
• elongation along / across: ≥ 20/18%
• resistance to further tearing along and across: ≥ 230/230 N
• roll length 50 m