WARRANTY / MAINTENANCE / MATERIALS  

Dear customers, valued customers,

we consider that you are already our valued customer or a future one, who is interested in the new Gašper joinery. At the links below you can read the warranty conditions, maintenance and service instructions building furniture.

We would like to thank you for the purchase of new joinery or recommend us for this

* Valid for the territory of the Republic of Slovenia, for other territories by agreement.


  • Warranty on Gašper products - click here to download
  • RSG - 10 year warranty on Remmers paint - click here to download
  • Instructions for use, servicing and maintenance of Gašper windows - click here to download
  • Instructions for setting up the hidden hardware WH-activPilot select for Gašper windows - click here to download
  • Instructions for setting up the WH-activPilot visible fittings for Gašper windows - click here to download
  • Instructions for setting up front door planters - Anuba Duplex 320-3D - click here to download
  • Instructions for setting up the Roto-NT visible window hardware for windows - click here to download
  • Instructions for oiled windows and doors Gašper - click here to download
  • VHBE Window Hardware Serviceability Directive - Click here to download
  • Technical appendix to the offer - version 14 06 17 - click here to download
  • Winkhaus window fitting instructions - click here to download


You can order a set for the care and maintenance of doors and windows manufactured by Remmers from us.


Company policy

The company has adopted a policy in the field of providing the PEFC CoC system, which is aimed at preserving the environment, especially forests and products from them.

In order to effectively implement the policy, the company's management ensures that the policy is known and understood by all employees and all interested parties who can contribute to the better functioning of the PEFC CoC system. 

The policy is based on the following principles:


  • Warranty on Gašper products - click here to download
  • RSG - 10 year warranty on Remmers paint - click here to download
  • Instructions for use, servicing and maintenance of Gašper windows - click here to download
  • Instructions for setting up the hidden hardware WH-activPilot select for Gašper windows - click here to download
  • Instructions for setting up the WH-activPilot visible fittings for Gašper windows - click here to download


The management of the company is responsible for the implementation of the principles of the policy, the individual areas for the implementation of the requirements of the PEFC CoC system, and the employees for the quality of their work in this area.

The management of the company will ensure that the policy is implemented and propose appropriate measures for improvement.

Director: Jurij Gašper