Certificates

Bos quality is guaranteed quality Our wooden KVT (Dutch Association of Joinery Manufacturers) products are supplied under the KOMO product certificate. This applies for both façade elements and the HSB cavity walls. Our round frames, with pivot window where applicable, are supplied with a KOMO product certificate. This enables us to deliver our KVT products with guaranteed 10-year SGT warranties.
Stichting Garantiefonds (Guarantee Fund Foundation) This certificate guarantees the 10-year warranty on your frames. This provides you with a guarantee for the full warranty period.

KOMO Sustainable Technology Our restoration division is currently undergoing the finalisation phase for the KOMO process certificate according to the BRL 5020. This guarantees the client that the work on monumental buildings is performed according to strict procedures, the initial objective of which focuses on the monument and preserving it in its original state.

Royal Warrant Holder Timmerfabriek Gebrs Bos b.v. is also in possession of the Royal designation Royal Warrant Holder. This designation is awarded upon a company’s 100-year jubilee and sound entrepreneurship.

ISO 9001 To further guarantee consistency in quality, we work according to the ISO 9001 certificate. Among other things, our work processes are determined by procedures and striving for continual improvement is one of the most important items of the ISO 9001.