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.
mdm® Ventia Q underlay is
a premium class product!
Above average functional layer thickness protects the membrane against UV rays - even up to 6 months! mdm® 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.
|Use with full boardnig||YES|
|UV resistance* concerns average yearly radiation in the Central European climate||6 months|
polypropylene nonwovens laminated with microporous polypropylene film
lenght: 50 m
width: 1,5 m
Palett dimensions: 1540x1170x1200
m²/palett|: 1500 m² / 20 rol.
|version without integrated glue strip|
|version T - with integrated glue strip|
|version TT - with integrated glue strip|