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Adding internal wall insulation to a renovation — the pros, cons and right way to insulate your internal walls

Internal wall insulation isn't for every home. While it's easy to assume insulating every surface in your home will lead to greater energy efficiency, it isn't the case with internal wall insulation.
Des Moines Register

As Energy Codes Tighten, Continuous Insulation Moves From ‘Nice to Have’ to Standard Practice

Rather than relying only on insulation placed between studs, CI places insulation across the exterior of the wall so it remains continuous over framing members. That detail matters because framing ...