10 Things Around Your Home You Should Insulate Before Winter Arrives
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A Family Handyman report recommends checking insulation and air leaks in several parts of the home before winter, starting with attic and roof spaces. The list includes walls, windows and doors, vulnerable plumbing, basements, garages, HVAC ducts and small openings around outlets and utility lines.

A Family Handyman report identifies attic and roof spaces, exterior walls, windows and doors, plumbing, basements, garages, HVAC ducts and small air-leak points as places homeowners can check before winter. The guidance, attributed to roofing and HVAC professionals, says insulation and sealing gaps can help limit heat loss and protect pipes in cold conditions.

The report puts attics and roof spaces first. Roofing professional Andre Kazimierski says aging roofs can develop gaps that let cold air into an attic. The report recommends a roofer inspect an old or weathered roof, while attic floors may need fiberglass batts or blown-in insulation to separate a vented attic from living areas. It also mentions rigid foam or spray insulation for the underside of a roof deck.

Other suggested checks include exterior walls, window and door seals, and weatherstripping. Contractor Bob Cardwell says blown-in insulation can be used in finished walls and spray foam can seal wall gaps. For doors, the report recommends checking seals and considering a foam sweep beneath exterior doors. It says these seals can shrink or become brittle over time, so homeowners should inspect them in the fall.

The checklist also covers water pipes in cold spaces, hot water pipes, basement rim joists and foundation openings, garage walls shared with the house, and exposed HVAC ductwork. Cardwell recommends foam sleeves for exposed pipes in somewhat protected areas and says electric heat cables may be used where temperatures regularly fall below 32 degrees Fahrenheit. For ducts, he advises sealing leaks with mastic or UL-listed foil tape. Foam gaskets, caulk or spray foam are suggested for small gaps around outlets, pipes and wires.

At a glance
reportWhen: Published ahead of winter; the report d…
The developmentA Family Handyman winterization report outlines home areas to inspect and insulate before cold weather arrives.

Where Heat Loss Can Add Up

Air leaks and inadequate insulation can allow heated air to escape and cold air to enter, according to the experts cited in the report. Addressing those paths may help a home retain heat and reduce the workload on its heating system. The report does not quantify potential energy savings or predict how much any household’s bills would change.

Insulation checks also have a plumbing concern: pipes near exterior walls or in unheated spaces can freeze in cold weather. The report singles out attics, basements and crawl spaces as locations to inspect. Its advice focuses on prevention and maintenance; it does not say that insulating pipes alone eliminates the risk of freezing.

The Report’s Winter Checklist

The source is a Family Handyman report titled “10 Things Around Your Home You Should Insulate Before Winter Arrives.” It frames insulation as one part of winterizing a home and distinguishes insulation from air sealing: insulation slows heat transfer through building materials, while sealing gaps limits drafts.

The supplied report cites comments from Andre Kazimierski of HomeHero Roofing and contractor Bob Cardwell of Cardwell HVAC. It also quotes roofing professional Cody Purtle on prioritizing the attic because warm air rises. The article’s checklist breaks the work into practical locations, from larger areas such as walls and roof spaces to smaller openings around outlets and utility penetrations.

“Sealing gaps goes a very long way with improving overall insulation.”

— Andre Kazimierski, HomeHero Roofing

Costs and Savings Vary by Home

The report does not provide cost estimates, energy-saving figures or a ranking beyond its recommendation to prioritize the attic and roof. The results of insulation work will depend on a home’s condition, existing materials, climate and heating system; the supplied source does not quantify those factors.

It is also not clear from the supplied material how the recommendations apply to every building type or local code. The report’s excerpt ends during a discussion of when to insulate an attic, so it does not provide the full explanation of that timing advice.

Inspect Before Cold Weather

The report advises homeowners to check seals and insulation in the fall, with particular attention to roof condition, attic insulation, exposed pipes and duct leaks. It recommends contacting a roofer to inspect and seal gaps in an old or weathered roof. Homeowners can then identify which areas need repairs or additional insulation before temperatures drop.

Any work involving electrical systems, gas, structural components or roofing should be handled by licensed professionals, with relevant power shutoff and protective equipment where applicable. The source does not set a universal schedule or specify local permit requirements, so the next steps depend on the home and the work involved.

Key Questions

Which area should homeowners check first?

The report recommends starting with attic and roof spaces, where gaps or inadequate insulation can let heat escape. It suggests having a roofer inspect an old or weathered roof.

Which pipes need insulation before winter?

Check pipes near exterior walls and unheated areas, including attics, basements and crawl spaces. The report also recommends insulating hot water pipes to limit heat loss.

What should be used to seal HVAC duct leaks?

The report recommends mastic or UL-listed foil tape for duct leaks. Cardwell cautions that ordinary duct tape dries out and does not work well on HVAC ducts.

Do all garages need insulation?

No. The report says a garage generally does not need full insulation, but a wall shared with the house should be insulated. It suggests moisture-resistant materials for damp winter conditions.

Source: rss

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