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For cold weather putting down rolls of insulation in the attic is usually by far the cheapest change to make, costing around $2500. https://www.bobvila.com/arti
by laurencerowe 3y ago
For cold weather putting down rolls of insulation in the attic is usually by far the cheapest change to make, costing around $2500. https://www.bobvila.com/articles/attic-insulation-cost/ https://www.bobvila.com/articles/attic-insulation-cost/
I assume this would help in hot weather too though the example older house design in the article doesn’t have an attic where it could go.
- saltcured 3y agoRight, insulation isn't that expensive, it's mostly labor. So laying down rolls in the attic is cheapest (held by gravity), then tacking rolls up into the joists in a crawl-space probably comes next. Opening walls or vaulted roofs is much more intensive. Another problem is older framing might use 4" studs or rafters and you'd really want 6-8" to have more space for adding thick insulation.