DELTA-TRELA PLUS separating layer breathable membrane 45m2
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
Structured separating layer for ventilated and non-ventilated pitched roofs with metal covering. As DELTA-TRELA PLUS, with integrated self-adhesive edge for fast, windproof laying.
- The optimum underlay for metal – clad roofs.
- Reduces Rainfall Noise by up to 15%. dB.
- DELTA®-TRELA allows residual water vapour in rafters and sheathing to escape due to the high permeability (Sd value approx. 0.02 m) of the base sheet.
- Consists of a base sheet laminated with a 8 mm thick dimple-textured random-fibre mat.
DELTA®-TRELA PLUS Don’t give moisture a chance to accumulate on the underside of your metal roof. Stamp out corrosion once and for all, thus effectively protecting the intrinsic value of your representative architecture
Vapor permeable membrane based on DELTA®- VENT S with a laminated on polypropylene randomly oriented fibre mat with studded structure. BiCo technology
Class E, EN 13501-1
|Dimple structure height||
approx. 8 mm
approx. 0,02 m
approx. 1,4 m
approx. 380 g/m²
approx. 17 kg
30 m x 1,5 m
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