Metra zero
brevetto patent
Breathable and waterproofing underlay, fire barrier
FIRE PROTECTION
FIBERGLASS CARRIER
COLD APPLICATION
UV RESISTANCE
PROTECTIVE SUPPORT
ROOF+WALL
E-ZERO is made of a glass fiber carrier which provides mechanical resistance and dimensional stability even at high temperatures, a mineral coating which does not irritate the skill during the installation phases, and of a special coating which expands in contact with flames, suppresses fire and creates a barrier layer which keeps the flames away from the insulating foam, so that the development of fire towards the core of the panel gets slower.
It is a fire substrate as the upper face of panels insulating pitched vented and micro-vented roofs and walls. It is highly recommended for its specific properties: it is able to bring synthetic insulation boards into fire reaction class Bs1d0. The particular fireproof surface finish allows the product to be laid in coverage directly under the photovoltaic panels or in ventilated façades with open joints.
| CHECKED CHARACTERISTICS* | NORM | UNIT OF MEASURE | VALUE |
|---|---|---|---|
| Mass per unit area | EN 1849-1 | g/m2 | 580±5% |
| Thickness | EN 1849-1 | mm | 1±15% |
| Tensile Strength | EN 12311-1 | N/5cm | MD: 380±15% CD: 340±15% |
| Elongation | EN 12311-1 | % | MD: 1-2% CD: 1-2% |
| Water vapour transmission propoerties | EN 13859-1 | g/m2 x 24h m |
WDD: 400±15% Sd=0,05 23°C 93/50% UR |
| Dimensional stability | EN 1107-2 (80°C) |
% | MD: -0,3<ΔL<0,3 CD: -0,3<ΔL<0,3 |
| Flexibility at low temperature | EN 13859-1 | °C | -20 |
| Fire reaction | EN 13501-1 Test method: EN 11925-2 and EN 13823 (SBI) |
B s1 d0 |
* Data supported by a limited number of productions, they can be updated
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