I was surprised to see a full page ad on the back of Wood Design and Building for Sustainable Insulation TM that looked suspiciously like fibre glass batts. I wondered, a) how do you trademark the words “sustainable insulation” and b) under any definition, how do you call glass fibre insulation sustainable?… Read the full story on TreeHugger
More:
CertainTeed introduces Sustainable Insulation TM NOT
