Proof GmbH
Zurich-based roofer handling full roof renewals, asbestos remediation, and in-roof photovoltaic installations.
What customers love
- Jan Almer personally identified and resolved complex roofing issues
- Handles challenging details collaboratively with homeowners
- Reliable communication throughout difficult projects including asbestos and PV work
Best for
Homeowners needing complex roof renovations, waterproofing, insulation, or integrated solar systems.
Attribute scores
Recent reviews
The Proof team removed our old roof, renewed the waterproofing, installed insulation, and then re-roofed everything. The team is very friendly and worked with us to find great solutions for some of the more challenging details. We give them 5/5 stars.
Mr. Almer came to inspect my roof in Thalwil, where there was moisture on the underside. He was quickly able to identify the cause and resolved it pragmatically and without complications. I can wholeheartedly recommend Mr. Almer, who already maintains several roofs in the neighborhood. Many thanks!
We had the following work done by Proof: Asbestos roof renovation with insulation, and a complex in-roof photovoltaic system with battery storage. For me, Proof GmbH is one of the best construction companies in the region. Excellent communication, incredibly friendly and reliable staff, and a straightforward approach to unforeseen challenges. I can wholeheartedly recommend Proof GmbH!
Great guy
Competent; trustworthy; and overall fantastic service! I highly recommend Proof GmbH (in particular "Jan" - he really knows his stuff - by far the best around - and a gentleman to boot!)