A difussive roof underlay of the highest quality, three-layered, weight 230 g/m2 and thickness of 900 μm. It represents very high mechanical resistance and water vapour permeability (Sd = 0,04 m). It can be used both directly on thermal insulation or laid on a full boarding. It is used for various types of roofing: shingles, concrete and ceramic tiles, metal sheets, sheet metal tiles. Ventia Q underlay is a premium class product!
Above average functional layer thickness protects the membrane against UV rays - even up to 6 months! Ventia Q membrane provides the highest comfort for roofers - its advantages are: versatility, high resistance, handy roll and lack of reflection (used dark nonwovens). From the users’ point of view, this membrane is a perfect solution for house construction, ensuring very good protection, exceptional durability and aging resistance.
Material - polypropylene nonwovens laminated with microporous polypropylene film.
Use with full boardnig - yes
UV resistance - 6 months (concerns average yearly radiation in the Central European climat)
lenght: 50 m
width: 1,5 m
Palett dimensions: 1540x1170x1200
palett: 1500 m² / 20 rol.
| Product | Thickness [mm] | Weight [g/m2] | Temperature resistance | UV Resistance | Reaction to fire | Water vapour diffusion Sd | Tensile strength |
| Ventia Q | 0,90 | 230 | from -40°C to +80°C | 6 months | Class E-d2 | 0,04 m | MD - 380 N/50 mm (± 50) CD - 260 N/50 mm (± 35) |
| Ventia Titanium Plus | 0,85 | 185 | from -40°C to +80°C | 3 months | Class E-d2 | 0,02 m | MD - 430 N/50 mm (± 60) CD - 260 N/50 mm (± 35) |
| Ventia Titanium | 0,85 | 180 | from -40°C to +80°C | 3 months | Class E-d2 | 0,02 m | MD - 420 N/50 mm (± 70) CD - 250 N/50 mm (± 35) |
| Ventia Cobalt Plus | 0,80 | 170 | from -40°C to +80°C | 3 months | Class E-d2 | 0,04 m | MD - 370 N/50 mm (± 50) CD - 230 N/50 mm (± 25) |
| Ventia Gold | 0,70 | 150 | from -40°C to +80°C | 3 months | Class E | 0,02 m | MD - 350 N/50 mm (± 50) CD - 210 N/50 mm (-10+40) |
| Ventia Bronze | 0,60 | 130 | from -40°C to +80°C | 3 months | Class E-d2 | 0,02 m | MD - 280 N/50 mm (± 40) CD - 190 N/50 mm (± 35) |
| Ventia Iron | 0,55 | 120 | from -40°C to +80°C | 3 months | Class E-d2 | 0,02 m | MD - 245 N/50 mm (± 45) CD - 140 N/50 mm (± 25) |
| Ventia Metal | 8 + 0,70 | 400 | from -30°C to +80°C | 3 months | Class F | 0,02 m | MD - 400 N/50 mm (± 60) CD - 210 N/50 mm (± 30) |
| Verso Top | 0,45 | 85 | - | - | Class F | 4,50 m | MD - 150 N/50 mm (± 30) CD - 110 N/50 mm (± 50) |
| Verso Reflex Plus | 0,40 | 77 | - | - | Class F | 6 m | MD - 130 N/50 mm (± 25) CD - 90 N/50 mm (± 20) |
Dimensions
Roof underlays
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