WÜTOP Thermo ND Plus roofing underlay

The WÜTOP Thermo ND Plus is a highly water-vapour-permeable polyester-based roofing underlay with a special coating. It is laid directly on the thermal insulation or formwork of ventilated and non-ventilated pitched roofs.

Perforation-proof in accordance with ETA-17/0206

Featuring as per ETA 17/0206: Perforation-proof fixing points of screws and nails.

The WÜTOP Thermo ND Plus is perforation-proof at the fixing point on a full-surface, pressure-resistant contact surface; no additional nail sealing material is required for protection against perforation.

Technology

Non-woven polyester fleece with special coating.

Safety

Polyester is an extremely weather-resistant material offering excellent resistance to UV radiation with a temperature resistance up to 120 °C. The special coating is non-slip and can be securely bonded.

Saves time and money

Self-seals around nail punctures, saving huge amounts of time and money. Integrated self-adhesive strips for easy and fast installation.

Special version for slate

Suitable as a preliminary covering for slate roofs according to the ZVDH (Central Association of the German Roofing Trade).

UDB/USB roofing underlay

Meets the requirements of the ZVDH (Central Association of the German Roofing Trade) product data sheet for class UDB/USB roofing underlay

Perforation-proof in accordance with ETA-17/0206

In accordance with the test certificate of Technische Universität Berlin and the test reports nos. P-06-186-2015 and P-06-187-2015 of the Fraunhofer Institute for Building Physics - in each case, based on DIN EN 13111; 2001-08 - the product may be classified as perforation-proof (nail-proof) and resistant to driving rain as defined by these test reports. Note: Both systems were tested for test reports P-6-186-2015 (without nail sealing tape) and P-6-187/2015 (with nail sealing tape). The Wütop Thermo ND Plus has demonstrated sufficient resistance to nail punctures. The following construction-related conditions must be met:

• Fasten counter battens (30/50) with min. 3.1 x 90 nails (smooth) or 2.8 x 80 (grooved) (worst case with regard to fasteners)


• Install dry counter battens. (S10, <20M%)


• No staples in the membrane surface; alternatively, these staple points can be sealed afterwards with a suitable adhesive tape.


• Featuring as per ETA 17/0206: Perforation-proof fixing points of screws and nails