Every year RetroGreen Energy's experts are called into many different custom situations to solve engineering problems to decades old mysteries with buildings.

These projects include:

Sound Proofing

Sound Proofing non-expanding injection Foam

Many home and businesses suffer from noise pollution. You do not have to live with this anymore, simply inject RetroFoam into your walls and ceilings and you will notice a dramatic difference with the sound that can't travel through foam insulation.

Historic Home Insulation Restoration in the Twin Cities Minnesota:

Historic insulation Project RetroGreen Energy