The insulation job that pays for itself in two winters

Unsexy, uncomfortable and the single highest-return thing you can do to an old house.

By Gerald TimminsAugust 25, 20265 min read
Person laying insulation rolls in an attic
Person laying insulation rolls in an attic

Nobody posts photographs of their attic. It is, nonetheless, where most household heat quietly leaves the building.

Topping up insulation to current depth is a weekend job with rented equipment and a pile of protective gear you will be glad you bought.

Do the air sealing first

Insulation over unsealed gaps underperforms badly. An afternoon with foam and caulk around penetrations changes the result completely.

Households in this region report heating reductions large enough to recover the cost within two winters, sometimes one.

Check for available rebates before starting; several programmes require pre-approval and pay a meaningful share.

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