The Ultimate Guide To roof insulation
Dismiss the shims under the 2x4s in the Picture as we had a three" swayback while in the 1920 2x4 rafters the owners didn't choose to see anymore.A three-bedroom semi-detached household could provide a return over the expenditure on insulation in only a few years2, given that the gradual cost savings on energy outgrow the First outlay. ROCKWOOL a