TECNOVAP is a vapour resistant felt, consisting of a single nonwoven polypropylene spunbonded felt, combined with a micro porous breathable and waterproofing layer.
WHY TECNOVAP
When it is necessary to use a vapor check, to avoid the mold and condensation formations, in presence of an upper insulation system.
MAIN ADVANTAGES
- Protects your roof from rainwater infiltration, snow, wind and dust.
- It settle the vapor transmigration
- Easy and light to install
- No maintenance required
- Fully recyclable
APPLICATION
Apply the
TECNOVAP rolls at the wooden support extrados, under the insulation boards transversally to the ground slope, starting the installation from the eaves line, providing 20cm overlaps. The mechanical fixing can be effected by the use of large-headed nails or metal staples. On the top of the sheets must overhang on the opposite pitch to allow the overlaps.
TECNOVAP can be used combined with TECOAIR to optimize the thermal performances of an insulated roof
STORAGE
TECNOVAP should be stocked horizontal, on a clean and flat surface away from direct sunlight.
| CHARACTERISTIC |
UNIT |
VALUE |
| Aspect |
rolls |
| Areic Mass |
g/m² |
135 |
| Thickness |
mm |
0,42 |
| Max tensile force (longitudinal) |
N/5cm |
230 |
| Max tensile force (transversal) |
N/5cm |
220 |
| Resistance to tearing (longitudinal) |
N |
105 |
| Resistance to tearing (transversal) |
N |
95 |
| Water penetration resistance |
cm |
»200 |
| Permeabilità al Vapore |
g/m2.d |
1.700 |
| Value Sd |
m |
3 - 5 |
| Reaction to fire ( DIN 4102 ) |
Classe |
B2 – B3 |
| |
| Disponibilità |
In stock |