Then, do a close inspection of the attic floor, especially areas around plumbing and chimneys. Use expanding spray foam insulation or caulk to seal any gaps you find. For larger openings ...

Getting the attic insulation balance right can save on energy ... Use fiberglass batts cut to fit snugly between studs. Add rigid foam boards on the backside of the wall to boost R-value and ...

For attic walls, the recommended R-value varies based on climate zones. Each type has pros and cons. For example, fiberglass insulation is cost-effective but less airtight, while spray foam ...