News and information About us Building materials alliance West locations imprint Data protection Strong facade, sustainably built Wood gives old houses a new face - natural, appealing and ecologically beneficial. more Your ID please! The energy certificate is mandatory As of January 1, 2009, all residential buildings in Germany are subject to the “identification requirement”: House owners must present the energy certificate when renting, selling or leasing their building. The ID card provides tenants, buyers and owners with information on how much energy the property consumes. more Save heating costs now At the latest when you receive the consumption bill from your energy supplier, you will find out again: Energy prices are constantly rising. A renovation in the area of thermal insulation, heating and windows can significantly reduce energy consumption. more User: Password: Remember password: to press | up imprint | © by Strait This website uses cookies to enable you to use our website comfortably. additional Information Required cookies Functional cookies Statistics cookies Marketing cookiesShow details Accept all cookiesSave on computer

News and information About us Building materials alliance West locations near you imprint Data protection our locations User: Password: Remember password: to press | up imprint | © by Strait This website uses cookies to enable you to use our website comfortably. additional Information Required cookies Functional cookies Statistics cookies Marketing cookiesShow details Accept all cookiesSave on computer