I tried blue foam insulation first but it can't take the heat - rigid fiberglass worked fine. You may be able to overcome the heat loss with 2 steam...
Self employed woodworker specializing in live edge furniture, mandolin family instruments, custom stair work. Moved from Cincinnati to Stout, Ohio in 1977 and established Rome Hill Studio where I continue to make saw dust every day.
Location:
Stout, Ohio
Interests:
Irish and Scottish music, native plants, digital recording