New builds, conversions and renovations: W. Angehrn AG is your experienced specialist company for the processing and protection of masonry and concrete!

We have been in business since 1973 with customer-oriented, innovative services. Our goal is long-term partnership and cooperation with our customers. Your satisfaction and the successful implementation of your projects are our motivation!

From planning and implementation to final acceptance, our highly trained specialists are at your service. A large, motivated team of employees will reliably and expertly guide your project to success!

Fire protection technology

Combi and cable penetration seals
Pipe penetration seals
Hard penetration seals - mortar penetration seals
Fire protection joints
Fire protection mats (Flumroc, etc.)
Fire protection sleeves
Fire protection cladding for
R30-R240 structures

Waterproofing

Liquid plastic
Flat roof waterproofing
Balcony waterproofing
Combiflex damp-proofing tape
Buildings in water
(swimming pool waterproofing)
Wet room waterproofing
Cementitious waterproofing
Buildings and soil

Concrete restoration

Compaction injections

Concrete technology

Concrete drilling
Concrete cutting

Joint seals

Hybrid joints
Silicone joints
Dilation joints
Cement joints