If you live in Wichita Falls, you know the wind. It blows hot and dry across open country in summer, and it turns sharp and cold when a front comes through in winter. Some days it carries enough dust to haze the sky. All of that pressure pushes against your house, and wherever there is a gap, air and dust find their way in.
That is why air sealing matters so much in North Texas. It is often the cheapest, least visible part of an insulation project, and it can make the biggest difference in how your home feels.
Insulation and air sealing are not the same thing
Insulation slows heat as it passes through a material. Air sealing stops air from moving through gaps. Most fluffy insulation, like blown fiberglass or batts, does very little to block moving air. Wind can push right through it, carrying outdoor heat or cold with it.
Think of a wool sweater on a windy day. It keeps you warm until the wind picks up, and then you need a windbreaker over it. Air sealing is the windbreaker. The two work best together, which is why the U.S. Department of Energy recommends that you seal any air leaks before insulating.
Why wind makes leaks worse
A small crack lets in very little air on a calm day. Put a steady 20 or 30 mile per hour wind against the side of the house and that same crack becomes a draft. Wind creates pressure on the side it hits and suction on the opposite side, so air gets pulled in one side and pushed out the other.
In winter, that means cold air pouring in around outlets and baseboards when a blue norther arrives. In summer, it means hot attic and outdoor air sneaking into rooms you are paying to cool.
Where the dust is coming from
If you dust a shelf and it looks the same two days later, leaks are a likely reason. Dust rides in on air that enters through the attic, walls and floor. Common signs:
- Dark streaks on carpet along baseboards, where air is pulled in under the wall
- Gray lines on ceiling drywall around light fixtures or vents
- Dirty patches on attic insulation above bathroom fans and wiring holes
- A fine layer of grit on window sills after a windy day
Sealing those paths cuts down on what blows in, along with the outdoor air that carries it.
The leaks that matter most
Some gaps are obvious, like a door with daylight showing under it. The bigger losses are usually hidden in the attic, where openings connect your living space directly to the hot or cold air above. Places we look:
- Top plates of interior walls, where open wall cavities meet the attic
- Recessed lights and ceiling fixtures
- Plumbing vents, flue chases and wiring holes
- The attic hatch or pull down stairs, which are often unsealed and uninsulated
- Duct boots where supply registers meet the ceiling
- Rim joists and floor penetrations in pier and beam homes
Older homes around Wichita Falls and in the small towns nearby tend to have more of these openings, because they were built before air sealing was a normal part of construction.
How the work gets done
Different gaps call for different materials. Small cracks get caulk. Larger gaps around pipes and wiring get expanding foam. Big openings, like a dropped soffit or open chase, get covered with rigid board and sealed at the edges. Gaps near flues and chimneys need fire rated materials, not standard foam.
Spray foam is a special case because it seals and insulates in the same pass. That makes it a good fit for rim joists, knee walls, and spots where wind pressure is high. In an open attic, the usual approach is to seal the floor of the attic first, then add blown in insulation over the top.
If the existing attic insulation is filthy, compacted or full of pest debris, it can be easier to do the sealing properly after removing the old material. That gives a clear view of every gap.
A note on ventilation and safety
A tighter house holds onto its indoor air longer. That is the goal, but it means bathroom and kitchen exhaust fans should vent to the outdoors, and any gas furnace or water heater should be checked to be sure it drafts properly. A careful contractor looks at these things as part of the job.
What to remember
- Insulation slows heat. Air sealing stops moving air. You need both.
- Wind turns small gaps into drafts, so sealing matters more here.
- Persistent dust and dark streaks often point to air leaks.
- The biggest leaks usually connect the house to the attic.
- Seal first, then insulate.
Air sealing pairs naturally with the right attic depth. Our guides on how much attic insulation you need and insulating for both summer and winter cover the next steps, and our cost guide explains what affects the price. We serve Wichita Falls, Burkburnett, Iowa Park, Electra, Henrietta and Holliday.
Tired of drafts and dust? Request a free inspection and we will find where air is getting in and recommend a plan to seal and insulate your home.