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roof underlays mdm Ventia

mdm® Ventia Cobalt Plus breathable roof underlay


Three-layered, diffusive roof membrane, weight of about 170 g/m2. Its advantages are: high resistance and very good water vapour permeability - Sd=0,04 m. Suitable to use on roofs with full boarding. High quality product with great water vapour permeability.

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) is 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: 2250 m² / 30 rol.

version without integrated glue strip
10000110165275 m²2250 m²/30 rolls
version T - with integrated glue strip
10000111165275 m²2250 m²/30 rolls
version TT - with integrated glue strip
10000112165275 m²2250 m²/30 rolls