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roof underlays mdm Ventia

mdm® Ventia Bronze breathable roof underlay


A diffusive roof membrane with a threelayered design and weight of about 130 g/m2. It represents high water vapour permeability and satisfying durability. Designed also for using on roofs with full boarding. Durable, and UV resistant.

Use with full boardnig YES
UV resistance*
concerns average yearly radiation in the Central European climate
3 months
It's possible to supply the product adjusted to the customer's needs - with individual logos printed on the underlay, private labels, and with an integrated strip of glue placed on one (T version) or both sides (TT version) of the underlay.

Only standard version of the product (without the glue strip) and the version with one strip of glue (T type) are available in stock. In case of ordering an individual specificaction of the producte product there are minimum quantities that have to be ordered and the times of delivery depend on the currently available free capacity of the production line.


Polypropylene nonwovens laminated with microporous polypropylene film


lenght: 50 m
width: 1,5 m

quantity per pallet:

Palett dimensions [mm]: 1540x1170x1300
m²/palett: 2925 m² / 39 rol.

version without integrated glue strip
10000110130275 m²2925 m²/39 rolek
version T - with integrated glue strip
10000111130275 m²2250m²/30 rolls
version TT - with integrated glue strip
10000112130275 m²2250m²/30 rolls