Light-weight roof underlay
Advantages
- Up to 3 months of outdoor exposure
- Ensures reliable building components: highly diffusion-open and maximum protection against driving rain
- Dry building components: pore-free TEEE functional membrane actively transports moisture to the outside
- Permanent protection thanks to the high resistance to ageing and heat of the TEEE membrane
- Reliable during the construction phase: suitable for temporary coverings during construction work during the construction period
Areas of application
For use as permeable roof underlay on roof decking, MDF and wood fibre underlay panels, and on all mat or panel-shaped thermal insulation materials.
Technical specs
Material | |||
Protective and covering fleece | Polypropylene microfibre | ||
Membrane | monolithic TEEE | ||
Property | Regulation | Value | Regulation |
Colour | anthracite | ||
Surface weight | EN 1849-2 | 115 g/m² ; 0.38 oz/ft² | EN 1849-2 |
Thickness | EN 1849-2 | 0.40 mm ; 16 mils | EN 1849-2 |
Water vapor resistance factor µ | EN ISO 12572 | 125 | EN ISO 12572 |
sd value | EN ISO 12572 | 0.05 m | EN ISO 12572 |
g value | 0.25 MN·s/g | ||
Vapour permeance | ASTM E 96 | 65.6 US perms | ASTM E 96 |
Surface burning characteristics | ASTM E96 | Class A (Flame Spread 0; Smoke Developed 85) | ASTM E96 |
Fire rating | EN 13501-1 | E | EN 13501-1 |
Outdoor exposure | 3 months | ||
Water column | EN ISO 811 | 10 000 mm ; 32' 10" | EN ISO 811 |
Water tightness non-aged/aged* | EN 13859-1 | W1 / W1 | EN 13859-1 |
Watertight joints with ‘connect’ technology if TESCON VANA is used for sticking | EN 13859-1 | W1 | EN 13859-1 |
Tensile strength MD/CD | EN 13859-1 (A) | 220 N/5 cm / 170 N/5 cm ; 25 lb/in / 19 lb/in | EN 13859-1 (A) |
Tensile strength MD/CD aged* | EN 13859-1 (A) | 185 N/5 cm / 160 N/5 cm ; 21 lb/in / 18 lb/in | EN 13859-1 (A) |
Elongation MD/CD | EN 13859-1 (A) | 60 % / 70 % | EN 13859-1 (A) |
Elongation MD/CD aged* | EN 13859-1 (A) | 40 % / 50 % | EN 13859-1 (A) |
Nail tear resistance MD/CD | EN 13859-1 (B) | 130 N / 135 N ; 29 lbf / 30 lbf | EN 13859-1 (B) |
*) Durability after artificial ageing | EN 1297 / EN 1296 | passed | EN 1297 / EN 1296 |
Flexibility at low temperature | EN 1109 | -40 °C ; -40 °F | EN 1109 |
Temperature resistance | EN 1109, EN 1296, EN 1297 | permanent -40 °C to 100 °C ; -40 °F to 212 °F | EN 1109, EN 1296, EN 1297 |
Thermal conductivity | 0.04 W/(m·K) ; 0.3 BTU·in/(h·ft²·F) | ||
Sarking membrane/roof lining membrane | ZVDH-Produktdatenblatt | USB-A / UDB-B | ZVDH-Produktdatenblatt |
Temporary roof covering; suitable as ... | ZVDH | yes | ZVDH |
CE labelling | EN 13859-1 | yes | EN 13859-1 |