The fiberglass house - plastic house fg 2000 Prototype plastic house, built in 1968 can be toured on September 13, 2015 during the 'Tag des offenen Denkmals’ (public heritage access day).

Location: Industriestraße 6, 63674 Altenstadt, Waldsiedlung
Opening times: 10 a.m. - 6 p.m.
Guided tours as required / film screenings: The Altenstadt residential building made of GRP from the Hessian broadcasting company

Homepage:
http://maps.tag-des-offenen-denkmals.de/#/land/Hessen
http://www.feierbach.com/03hausd.html