Roofing membranes and their uses
Dörken Dörken DELTA®
Dörken DELTA® roofing membranes – German quality you can trust
Roofing membranes from the Dörken DELTA® range are the choice for anyone seeking maximum protection for their roof structure and long-lasting durability. Dörken products have long been synonymous with reliability in construction, for both private and commercial projects.
DELTA® membranes offer exceptional watertightness, high vapour permeability and UV resistance. Depending on the model, they are well suited to steep, energy-efficient, ventilated and unventilated roofs.
Why choose Dörken DELTA® membranes?
Multilayer technology
The membranes are made from durable, breathable nonwovens with functional layers that effectively protect against water, wind and dust.Unmatched water vapour permeability
A low sd value allows moisture to escape effectively from beneath the roof covering, protecting the thermal insulation layer.Resistance to UV and mechanical damage
DELTA® membranes are also an excellent choice for difficult installation conditions and long exposure periods.A wide choice of models
Available models include: DELTA-FOXX, DELTA-FOXX PLUS, DELTA-MAXX, DELTA-MAXX PLUS, DELTA-VENT N, DELTA-VENT S, DELTA-EXXTREM, DELTA-NEO VENT and others – each membrane meets specific design requirements.Versions with adhesive strips available
Models marked PLUS have self-adhesive tapes for easier, more watertight installation.
Comparison of selected Dörken DELTA® membranes
Model | Mass per unit area | Vapour permeability (sd) | UV resistance | Adhesive | Uses |
|---|---|---|---|---|---|
DELTA-FOXX | 270 g/m² | 0,02 m | up to 4 months | none | pitched roofs, beneath standing seam metal roofing |
DELTA-FOXX PLUS | 270 g/m² | 0,02 m | up to 4 months | with adhesive strip | as above – with adhesive tape |
DELTA-MAXX | 190 g/m² | 0,15 m | up to 6 months | none | roofs subject to high loads |
DELTA-MAXX PLUS | 190 g/m² | 0,15 m | up to 6 months | with adhesive strip | self-adhesive version |
DELTA-VENT N | 135 g/m² | 0,02 m | up to 3 months | none | standard ventilated roofs |
DELTA-VENT S | 150 g/m² | 0,02 m | up to 3 months | none | energy-efficient and passive house roofs |
DELTA-EXXTREM | 230 g/m² | 0,05 m | up to 6 months | none | extreme conditions, high roofs |
Choose Ambit for a safe roof – inside and out
At Ambit, we take care of every detail of your roof, from the outer covering to the membrane. Through our partnership with Dörken, we offer high-quality solutions that guarantee watertightness, breathability and a long-lasting structure. We will help you choose the right model for the roof covering, pitch and the building’s needs.
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