![Mastermax](https://www.masterplastinternational.com/wp-content/uploads/2019/01/mastermax-logo.png)
MASTERMAX PREMIUM 100
Vapour-permeable (breather) underlay for roofings.
![](https://www.masterplastinternational.com/wp-content/themes/masterplast/assets/images/info-stamps/1.png)
![](https://www.masterplastinternational.com/wp-content/themes/masterplast/assets/images/info-stamps/2.png)
![](https://www.masterplastinternational.com/wp-content/themes/masterplast/assets/images/info-stamps/3.png)
![](https://www.masterplastinternational.com/wp-content/themes/masterplast/assets/images/info-stamps/8.png)
![](https://www.masterplastinternational.com/wp-content/themes/masterplast/assets/images/info-stamps/14.png)
Type of material: PP + Functional membrane + PP
Straightness: <30 mm /10 m
Mass per unit area: 100 g/m2 (±10 g/m2)
Reaction to fire: E
Water vapour transmission (Sd): 0,02 m
Resistance to water penetration: W1
Tensile strength (MD/XD): 230 N/ 5 cm / 220 N/ 5 cm
Elongation (MD/XD): 60% / 40%
Resistance to tearing (MD/XD): 90 N / 100 N
Resistance to penetration of air: <0,01 m3/m2.h.50Pa
Temperature resistance: (-)20 °C – (+)100 °C
Short time temperature resistance: (+)120°C (EN 1296)
UV-resistance: 3 months
Standard roll size: 1,5 m × 50 m = 75 m2/roll
![](https://www.masterplastinternational.com/wp-content/themes/masterplast/assets/images/supplier-desktop.png)
Technical assistance
Should you need some technical information, please do not hesitate to contact us!
Need some technical help