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#2 …… Investigate Insulation

Insulation and the Century Home….
It is rare for a century home to have no insulation at all, although what insulation they do have may appear a bit strange.
Century homes have been known to have many different types of insulators from old newspapers, sawdust, straw bales, horse hair or sheep’s wool and may have asbestos-wrapped areas.

Old but good insulation includes cellulose (ground up newspaper with Borax added for fire and bug proofing) as well as blown in rock wool and fibreglass. If you have any of this you can add modern insulation right over the top, which includes these same products and more modern batts of various insulation materials.

Blown in insulation is not recommended in old houses with plaster walls, there is no vapor barrier under the plaster so the wet air hits the insulation and condensates. This wets down the blown-in insulation making it a wet mass at the bottom of the wall cavity creating an inviting place for termites and dry rot.

Weather-strip your windows and doors, keep the house painted/caulked well, insulate the attic and box sills. This will stop the air infiltration, make you more comfortable and really save money on utilities.

When purchasing a century home, a home inspection is highly recommended. Ask questions and speak to contractors.

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