RETROFIT OF A SEMIDETACHED HOME Highly efficient in Detail How an over 60 years old house in Augsburg became an energy pioneerAt first glance, it is difficult to see what makes this semi - detached house special. But yet it has something entirely new inside: renovating and insulating the attic made this residential home the first to have dormers insulated with CALOSTAT®. “There’s no better or more modern way of insulating a dormer,” says a satisfied Armin Haas, the architect and energy consultant who advised the owners during this extensive renovation. The one-and-a-half story house was built in the 1950s and has been renovated and expanded again and again over time. But now it was time to renovate the entire home. The electrical system was redone, as were the plumbing and bath

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