Insulation
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How to Insulate Exterior Walls
Upgrading Exterior Walls
Walls have large surface areas and are responsible for a significant percentage of a house’s heat loss. Older homes constructed from solid materials like stone, log or brick usually have no insulation on the inside: there is often just a small air space between the outside covering and inner frame wall. This drainage cavity should be insulated as it can cause water leakage and condensation.
Interior & Exterior Insulation Upgrades
Exterior Insulation Upgrades
If you have to improve old siding, you might as well improve the exterior insulation too. You have a choice of methods for adding insulation underneath the new siding, which will increase your home’s overall "R/RSI" value significantly. New siding with blown-in insulation eliminates filling in access holes as well as repainting.
Other points to note are: