Viafelt UP is a bituminous waterproofing and breathable felt. It’s characterized by a bitumen impregnated non-woven polyester inlay, with a TNT polypropylene finish on both faces.
Viafelt UP is indicated as an undertiles screen, as well as separation layers, scroll, or temporary protection layer.
MAIN ADVANTAGES
- Absolutely waterproofing
- Promote the vapor transmigration in the external environment
- Rotproof
- Tearing resistant
- Light and easy to install
- Very good quality, thanks to the raw materials used
- The TNT polypropylene surface reduces operators slipping risk
INSTALLATION
Viafelt UP is very easy and quick to install.
The felts must be applied parallel to the eaves with transverse and longitudinal overlaps with metal staples or clout nails every 5-8 cm. With less than 15% slopes, the felts overlap has to be at least 15 cm.
| CHARACTERISTIC |
UNIT |
VALUE |
| Aspect |
rolls |
| Areic mass |
g/m² |
380 |
| Thickness |
mm |
0,6 |
| Max tensile force (longitudinal) |
N/5cm |
440 |
| Max tensile force (transversal) |
N/5cm |
360 |
| Elongation (longitudinal) |
% |
40÷50 |
| Elongation (transversal) |
% |
50÷60 |
| Resistance to tearing (longitudinal) |
N |
230 |
| Resistance to tearing (transversal) |
N |
230 |
| Resistance to static loading |
P.S |
3 |
| Watertightness H2O |
------- |
classe W1 |
| Vapor permeability |
g/m2x24h |
0,95 |
| |
| Availability |
In stock |