Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
Attic subfloor insulation.
Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
With the floor gone you ll have to find.
So it s time to pay close attention to what s happening up there.
Because the simplest and cheapest way to insulate an attic is to add material to the floor.
See below for a shopping list and tools subscribe to this old house.
Plan to pull up the flooring and layer new insulation on top of the old.
The higher the r value the better the thermal performance of the insulation.
Insulation keeps warm air from rising through the roof during the winter and keeps the hot.
Achieving greater r values in attics.
Cost effective way to save energy with this old house general contractor tom silva.