Winterberg & Knapp GmbH


We at Winterberg & Knapp GmbH bring over 25 years of experience to sealing elements with vulcanised rubber, caps and plastic items for roof and facade mounting and for car manufacturing. We develop and manufacture our products to your exact specifications, drawings and patterns.

Stamping Tools

The basis for economic production and compliance with our high quality standards stems from such processes as the vulcanisation of rubber in our own facility, finishing with a modern CNC machine park, as well as our own production of stamping tools.

Stamping Tools

Single Source Services

We offer all services from a single source, from development to delivering your products. This means we can guarantee our customers the highest level of quality, timeliness, flexibility and short delivery times at attractive prices.

- Sealing washers with vulcanised rubber -EPDM in grey; EPDM black conductive (powder coating); Neoprene (CR)
- Caps with foam rubber or vulcanised EPDM seals on the upper flange fastener of trapezoidal and corrugated profiles. Secure installation possible with 16 and 19mm sealing discs. Manufactured in natural / RAL or V2A aluminium
- Solar caps with threaded M 10 bushing as a carrier for the assembly of solar and photovoltaic systems on trapezoidal and corrugated profiles and sandwich panels. Screwed on to the upper flange, freely selectable position (ideal for large rafter clearance as no fastening needed in the substructure).

Single Source Services
Can we help?