KUNSTOF guarantees all of our products (subject to correct installation and normal condition of use and maintenance), for the period as follows:

uPVC Profiles

from discoloration, cracking, and warping – 10 years

Double Glazed Units

10 years


2 years limited warranty under normal use.

Roll-up Screens, Accordion Screens, and Folding Doors

1 year limited warranty under normal use.

Lifetime Service Warranty

which includes check-ups, lubrication, and alignment/adjustment. This excludes damaged replacement parts and transportation.