Weather protectionUltracover is a lightweight tarpaulin fabric that is PFAS-free

Hauke Schmidt

 · 03.09.2026

Ultracover is a lightweight, PFAS-free waterproof fabric from Germany; it is suitable for sailing clothing.
Photo: Ultracover
Large full-coverage tarpaulins and winter covers are designed to provide protection against UV radiation, rain and snow, but must not be unnecessarily heavy when being fitted or removed. To achieve this, Ultracover Marine uses polyester ripstop fabric with a multi-layer PU coating, PFAS-free finish and manufacturing in Germany.

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Tarpaulin fabrics have to withstand a great deal on board. They are exposed to UV radiation and the elements for months on end and can chafe against the railings, shrouds or fittings. Ultracover Marine is a tarpaulin material designed for such applications. The material consists of polyester ripstop and a multi-layer PU coating. With a weight of 200 grams per square metre, it is designed to remain relatively easy to handle, even when used for large tarpaulins.

Suitable for tarpaulins and sail covers

Ultracover Marine is designed for full boat covers, winter and sun covers, boom covers and jib bags. The YACHT article on the Protective covers for headsails. According to the distributor, however, the material is not currently intended for use in sprayhoods. Ultracover Marine is available in the colours Snow, Platinum, Graphite, Desert, Kingsblue and Navy Blue. According to the manufacturer, the roll width ranges from 175 to 180 centimetres.

PFAS-free equipment for protective textiles

A distinctive feature of the material is that it does not contain any PFAS-based water-repellent treatments. This group of substances is often referred to as ‘forever chemicals’ because many of the compounds are highly persistent in the environment. The supplier states that Ultracover marine is finished without PFAS and that the PU coating does not release migratory plasticisers.

Even with a PFAS-free tarpaulin, proper care remains crucial to its lifespan. Dirt, salt and organic deposits should be removed promptly. How to Have your sprayhood and cover cleaned gently, explains YACHT in a practical guide. Anyone looking for suitable products will also find a Test of tarpaulin cleaners.

Manufactured in Germany; price depends on the saddlery

According to the supplier, the weaving, dyeing, coating and manufacturing processes are carried out entirely in Germany. Exclusive distribution is handled by Günter Schmitt Textilvertrieb on the island of Reichenau. Ultracover is sold exclusively to boat upholsterers and other specialist firms.

There is no fixed price for a finished boat cover. As well as the amount of fabric required, the cost is determined primarily by the type of boat, the cut, any reinforcements, zips, attachment points and the amount of work involved for the upholstery workshop. The manufacturer provides further technical details and contact information on its page at Ultracover Marine.

Technical Specifications

CharacteristicInformation
Material100 per cent polyester ripstop, multi-layer PU coating in a 4x3-layer system
Grams per square metre190 g/m², tolerance: minus 5 to plus 15 g/m²
Maximum tensile forceWarp 1,200 N, weft 1,000 N, ISO 13934-1
Tear resistanceWarp 3,500 cN, weft 3,200 cN, ISO 13937-1
Water columnmore than 200 cm, ISO 811
UV protectionUPF 50+, ISO 13758-1
Abrasion resistance100,000 Martindale cycles on the coated side, ISO 12947-2
Roll width175 to 180 cm
ColoursSnow, Platinum, Graphite, Desert, Kingsblue, Navy Blue
SalesB2B, available exclusively through Günter Schmitt Textilvertrieb

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Hauke Schmidt

Hauke Schmidt

Test & Technology editor

Hauke Schmidt was born in Hanau, Hesse, in 1974, but moved to the coast at the age of an Opti and grew up sailing dinghies and tall ships. School and semester breaks were used for extensive Baltic Sea cruises. During and after his oceanography studies in Kiel, he took part in various international research trips to tropical and polar regions. The focus was on ocean currents and their influence on climate change. Eventually he was drawn back to his home coast and to YACHT. He completed a traineeship there and has been working as an editor in the Test & Technology department since 2009. His core tasks include equipment and boat testing, as well as practical topics relating to electronics, seamanship and refits. As a passionate DIY enthusiast, he loves to spend his summers on the water with his family and winters working on his boat

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