Become a member

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Which RAL quality mark are you interested in?

further links

We would be pleased to hear from you. You will find the BMF office at the following address:

Bundes-Gütegemeinschaft Montagebau 
und Fertighäuser e. V.

Rhöndorfer Str. 85 | 53604 Bad Honnef
Phone: + 49 (0) 22 24/96 91 52-0



Legal note on the contact form

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10 good reasons for your membership


BMF centre of excellence

We monitor your company with competent employees from the timber house construction sector.

Always there for you

We will also be pleased to provide you with information about certification content outside the monitoring.

Positive reputation

The quality mark is widely known and has a positive reputation among the public.

Financing advantages for owners and developers

The quality mark is used by banks and insurance company as verification for the financing.


Advantages for raising a mortgage

Most properties with RAL certification are assessed positively by banks.

Quality assurance

Offer your developers proven quality and comprehensive quality assurance for their house.

Up to date

The BMF holds regular seminars and informs you about new provisions in planning and building law, standardisation and engineering.


Internet presence

We present your company and your contact details on our association’s website.

Marketing advantages

Use the positive image of the RAL quality mark for your marketing.

Always networked

Contact and interact with other association members.

Secure advantages – pay half the membership fee for the first two calendar years

Secure the advantages of membership of the quality assurance association for yourself and use the RAL quality seal as a quality mark and competitive advantage.

Become a member now!