1.   Could the added insulation have caused this?

2.   Commissioner Kenny said that affordable homes built with energy-saving features, such as added insulation or extra-efficient equipment, will cost less for residents to maintain.

3.   Some, like goldfinches and redpolls, grow more feathers in winter and fluff them out in the cold for added insulation.

4.   This added insulation will keep the ceiling warmer, and the moist air may not condense.