No worries guaranteed
The feeling of safety comes from a sound company offering a range of services
Quality installation and quality service for Josko quality products.
Josko windows and doors are sold exclusively by selected partners who have been specially trained in Josko products and are therefore able to provide expert advice.
To guarantee a seamless quality chain with regard to delivery, installation, repairs and subsequent services, Josko installation and service partners undergo extensive training and control measures in accordance with Josko quality and the applicable standards and guidelines. Josko installation and service partners ensure that Josko's high product quality means quality of life for many years.
JOSKO INSTALLATION AND SERVICE PARTNERS OFFER A RANGE OF SERVICES
Many years of experience, high-quality materials and thorough workmanship have always been the key to JOSKO’s reputation. We can therefore guarantee the following warranty services which go above and beyond those legally stipulated:
10-year weather-resistance warranty..
against unnatural discolouration and the formation of cracks in white plastic window and door surfaces, excluding mitre cracks. When checking weather resistance, discolouration - as determined by a test procedure in conformity with DIN EN 513 - must not exceed Level 3 of the DIN EN 20105-A03 grey scale. There is no warranty against changes in the appearance of the surface as a result of soiling.
7-year weather-resistance warranty..
againstunnatural discolouration and the formation of cracks in the surfaces of film-coated white plastic window and doors, excluding mitre cracks. When checking weather resistance, discolouration - as determined by a test procedure in conformity with DIN EN 513 - must not exceed Level 3 of the ISO 105-A03 grey scale. There is no warranty against changes in the appearance of the surface as a result of soiling.
10-year weather-resistance warranty..
against unnatural discolouration and the formation of cracks in the surfaces of anodised aluminium window and door profiles.
10-year weather-resistance warranty...
against unnatural discolouration and the formation of cracks in the surfaces of highly weather-resistant (HWR) powder-coated aluminium window and door profiles.
5-year weather-resistance warranty..
against unnatural discolouration and the formation of cracks in the surfaces of powder-coated aluminium window and door profiles.
5-year warranty...
against the formation of condensation between insulating glass panes.