air gap or more insulation?

Started by plus6vu on 26 October 2009. 50 replies. In the Library under Walls, floors and ceilings.

Originally posted at johnlsayers.com, topic 13712.

Right. So outside of greenglue, a product your company sales...what do you recommend? edit: And if there is no specific product, what would be a method to achieve what you are suggesting?