J.Fretz GmbH

J.Fretz GmbH operates in the field of building envelopes.

We are simply different!
Take the time to get to know us.
You can get a first impression on the following pages. Enjoy!
If you have any questions, just get in touch with me.
Jürg Fretz

Copper plumbing work

Everything to do with roofs. We build roofs for new buildings and specialize in roof renovations for existing properties.

Roof renovations

Demolition taking into account the structural characteristics, a careful approach to correct reconstruction, and sustainable closure of the building envelope. Our core specialty is roof renovations, especially for buildings from the 1960s, 1970s, and 1980s.

Service work

Everything to do with roofs. We build roofs for new buildings and specialize in roof renovations for existing properties.

Stone slab roof

Everything to do with roofs. We build roofs for new buildings and specialize in roof renovations for existing properties.

Photovoltaic systems

Everything to do with roofs. We build roofs for new buildings and specialize in roof renovations for existing properties.

Snow removal

We clear snow from your skylights and entire roofs, initiate controlled snow slides, and clear forecourts, driveways, and access roads on demand or on a subscription basis during your absence.