Product catalog
Vapour-permeable underlays
ISOVENT Master
4-layer vapour permeable underlay with a reinforcement grid. Isovent Master is suitable for all kind of pitched roofs.
Properties
Product features & benefits :
- High vapour permeability: 3000 g/m2/24h wg EN 12572, 38°C/93% ( Sd = 0,02m )
- Very strong and robust, 4-layer material with grid
- High water tightness, water column over 500 cm
- UV stable for 4 months
Specifications
- Lenght ≥ 50m
- Width 1,5m
- Surface mass ca. 160 g/m2
- Water tightness , EN 1928 class W1
- Vapour transmission sd-value, EN 12572 ca. 0,02 m
- Vapour permeability, EN 12572, 38°C/93% ca. 3000 g/m2/24h
- Temperature resistance -40 / +80 oC
- UV exposure resistance, EN 13859-1 4 months