You are a planner, architect or developer?

Here is some useful information on plastic windows and quality and testing. Our Annual Reports can be viewed here.

Are you a window manufacturer?

This is where you can find out more about quality-assured plastic window profile systems and components as well as a brief overview of the relevant guidelines, ordinances and laws.

Are you a member?

This is where we tell you about planned meetings of the expert groups and provide agendas and minutes for you to download. We have also collected information about our projects in this area.

About us...

RAL-Gütegemeinschaft Kunststoff-Fensterprofilsysteme e.V. (GKFP) is an association that performs and provides neutral and external quality monitoring and product certification for its member companies in the form of voluntary self-regulation. Its aim is compliance with the highest product quality standards in order to ensure the lasting fitness for use of the manufactured products. Products that are certified by the GKFP are allowed to carry the RAL quality mark and be used as components for such products. Opens internal link in current windowmore about us

News

15.02.2017

Topic booklet "PVC window" has been published

In co-operation with Fachschriften-Verlag the quality association has...[more]


30.01.2017

General Assembly Meeting 2017

The this year's General Assembly Meeting has taken place on 04th and 05th May...[more]


21.06.2016

Bonding of glass frame structures

The fifth symposium of the RAL Gütegemeinschaft has taken place on 26th January...[more]