DELTA-MAXX fire safe 75m2 breathable roof underlay
When you place your order, we begin making your items as quickly as possible. Each piece requires some time for the construction and curing before we can ship. Most orders ship within 1 or 2 days. However, in peak seasons, shipment can take up to 5 business days.
When you order multiple products, the orders can come from different designers. In this case, it could happen that you will receive your products in different packages and at different times.
Shipping to ROI / NI 1-3 Business Days
Shipping to UK 1-4 Business Days
To be contact us for it.
** THESE ARE ESTIMATED DELIVERY TIMES. Sometimes there may be delays due to the shipping carrier or international customs sorting.
We ship daily from Monday through Saturday, 52 weeks a year except for Sundays and holidays. Orders placed by12.00 PM GMT Sunday-Friday will ship the same day. Occasionally orders may not ship the ‘same-day’ due to stock issues, lacking order information or billing delays. Orders placed on Saturdays will ship the following Monday or next open business day.
Premium Shipping is free on orders over 247.93 € ex VAT (excluding wood products)
On orders under 247.93 €
Premium Insured Shipping is 5.00 € to the UK, ROI and Ni ex VAT
Pallet shipping to ROI / NI 55.00 € per pallet ex VAT
Timber that exceeded length of 2.4m single charge 150 € ex VAT
For more than 5 pallets please contact us via phone or email to apply special rate if it's applicable
DELTA®-MAXX Energy-saving membrane
Breathable roof underlay. For use on fully insulated pitched roofs. Also suitable for use as a sheathing membrane.
The roof system DELTA-MAXX energy saver membrane represents a new dimension in energy conservation. Up to 30 % lower air exchange rates means up to 9 % less energy consumed for heating. (calculated after investigations in a 100 m2 attic apartment in Munich).
Is highly robust as well as extremely impact- and tear - resistant
DELTA®-MAXX PLUS and DELTA®-MAXX are the first underlay membranes in Germany with moisture storage surface. The underside storage fleece can absorb up to 1 l / m2 of moisture. The stored moisture and then gradually vapour out.
- DELTA®-MAXX fire resistance
- Due to the special fleece coating, DELTA®-MAXX is highly resilient, highly tear-resistant and extremely sure-footed (tested fall-through protection).
- DELTA®-MAXX can be used for temporary cover.
- DELTA®-MAXX PLUS and DELTA®-MAXX are the first underlay membranes in Germany with moisture storage surface
- DELTA®-Bico Technology
- Prevents moisture and condensate from rafters and insulation
Polyester non-woven fabric with a waterproof and vapour permeable PU coating and sealing self-adhesive edge.
Class B-s1,d2 , EN 13501-1,
approx. 450/300 N/5 cm,
Class W 1, EN 13859-1 + 2
approx. 0,15 m, EN ISO 12572
-40 °C to +80 °C
|Short-term maximum temperature load of the material||
|Resistance against driving rain||
Pass in the driving-rain test for waterproofing and soft sheathing, TU Berlin
approx. 190 g/m²
approx. 14 kg
50 m x 1,50 m
|ZVDH classification||UDB-A and USB-A, the highest grades|
Quality - made in Germany
"Our products are up to any test."
Dörken keep setting new standards of quality, offering all-round solutions for roofs and cellars. The outstanding track record of its products, its comprehensive technical knowhow, and its excellent service have made Dörken GmbH & Co. KG one of the leaders in the European market for building materials. For more than 50 years, high-quality laminated sheets for roofs, façades, and cellars have been made in Herdecke under the brand name DELTA®.
Rigid quality controls – for sophisticated demands.
First-class materials, continuously and strictly monitored at every stage of the manufacturing process, guarantee enduring functionality and a long life. For us, quality means that our customers are satisfied and their expectations have been more than fulfilled. This implies constantly checking, reviewing, and improving products and processes. To think everything through down to the smallest detail: having fulfilled this ambition for more than 120 years, Dörken remains a powerful partner of dealers, planners, and craftsmen.
Those who rely on our products will reap long-term benefits.
Our promise 'DELTA® protects property. Saves energy. Creates comfort.' may be taken literally. For our system solutions from roof to cellar produce convincing
results – worldwide. This is because the quality of our products 'made in Germany' is high, our solutions are adapted to practical conditions, products and accessories can be combined to fit exactly, and the service we offer you is excellent right from the start.
Made in Germany – to us, more than a mere seal of quality.
Join all those who benefit from the extreme dependability and lasting functional reliability of our innovative and efficient products of proven Dörken quality which we continuously check and improve in our own test laboratories. And you may not only rely on top-quality materials. For more than 50 years, composite sheets of sustainably good quality for cellars, façades, and roofs have been made in Germany . At our group headquarters in Herdecke as well as in Hagen-Vorhalle, in one of Europe 's leading-edge production facilities for spunbonded cloth. Not for nothing are we market and technology leaders in this field across Europe
Estimated delivery time 1-3 days