Many old buildings cannot be insulated on the outside due to their construction or architecture. In such cases, the only alternative is interior insulation systems, the planning and execution of which require special expertise and care. Dipl.-Ing. (FH) Jürgen Gänßmantel The call for internal insulation of external walls is always loud when another form of component insulation is prohibited for constructional or optical reasons. For example, if you want to reduce the transmission heat loss on listed or stuccoed facades, interior insulation is often the only way out.
Interior Insulation In Old Buildings