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Serving Gulfport, MS and surrounding areas. (228) 256-1842
Gaps in your attic let expensive cooled air escape every day. We seal every penetration so your AC runs less, your home stays comfortable, and your bills reflect it.
Attic air sealing in Gulfport means finding and plugging the gaps, cracks, and openings in your attic floor that let conditioned air escape and outside air sneak in - most jobs on a typical Gulfport home take two to five hours and do not require you to leave your house.
Most homeowners assume adding more insulation is the best way to cut energy bills, but insulation alone cannot stop air from moving through gaps - it only slows heat transfer through solid surfaces. Air sealing closes the actual holes first, so the insulation can do its job properly. In Gulfport's climate, where your air conditioner runs eight or more months a year, every gap that lets cooled air escape is costing you money on every single bill.
Attic air sealing works best when it is paired with crawl space vapor barrier and whole-home air sealing services when a homeowner wants to address every part of the building envelope at once - not just the attic.
If your Mississippi Power bill spikes every summer even though you are not running the AC any differently than your neighbors, air leaking out of your living space and into the attic is a likely cause. In Gulfport's climate, a leaky attic forces your air conditioner to run longer than it should, and that extra runtime shows up directly on your monthly bill.
When certain rooms - especially on the top floor or directly under the attic - never seem to reach the temperature on the thermostat, it often means conditioned air is escaping before it can do its job. This is especially common in Gulfport homes where the attic gets extremely hot in summer and creates a strong pull that draws cool air upward through gaps.
Gaps in your attic floor allow attic air - carrying dust, insulation particles, and moisture - to drift into your living space. In Gulfport's humid environment, that infiltrating air often carries a faint musty smell, especially in spring and fall. If you notice this smell near ceiling fixtures, recessed lights, or around your attic hatch, air is moving through openings that should be sealed.
Homes built before modern energy codes were standard, or homes quickly rebuilt after the 2005 hurricane, are statistically more likely to have significant air leaks in the attic. If you have never had an energy audit or air sealing work done and your home falls into either category, there is a reasonable chance you are losing conditioned air every day without knowing it.
We seal attic air leaks using a combination of spray foam, caulk, and rigid foam board, applied systematically to every gap we find during the assessment - around pipe penetrations, wiring runs, recessed light fixtures, wall top-plates, and the attic hatch itself. The work is done from inside the attic, so your living space stays undisturbed. For homeowners who want measurable proof, we use a blower door test before and after the job to show a real reduction in air leakage - not just a contractor's word that everything is sealed. We can also combine attic sealing with crawl space vapor barrier installation in the same visit for homeowners who want to address both ends of the building envelope at once.
For homes where moisture and air infiltration are problems throughout the whole structure - not just the attic - we offer comprehensive air sealing services that address every major leak point from the foundation to the roof line. This is especially valuable for older Gulfport homes that have never had a systematic energy assessment, where the total air leakage can be substantial.
Closes every penetration in the attic floor - the most impactful single step for reducing cooling costs in most Gulfport homes.
One of the most overlooked leak points - a poorly sealed attic hatch can let significant air movement through even in an otherwise tight home.
Addresses the gap between interior wall cavities and the attic space that many contractors miss entirely.
Provides before-and-after measurement of your home's air leakage so you can see the improvement as a real number, not just feel it.
Gulfport's cooling season runs from April through October, and in some years it extends further in both directions. That means your air conditioner runs almost constantly for more than half the year, and every gap in your attic is letting that expensive cooled air escape while humid Gulf air takes its place. Homeowners here tend to see faster payback on air sealing than people in cooler climates simply because the savings show up on every single summer utility bill rather than just the occasional cold month. The ENERGY STAR Seal and Insulate program identifies the attic as the highest-priority location to address in hot-humid climates like Gulfport's. Mississippi Power has historically offered energy efficiency rebates that can offset some of the cost - it is worth checking their current programs before you schedule work.
Older housing stock and post-storm rebuilds make this service particularly relevant in this market. A significant share of Gulfport homes - including many in the neighborhoods north of downtown and near the waterfront - were built before modern energy codes required proper air sealing. Many of those homes have never had an energy audit, and the attic gaps that have been there for 30 or 40 years are still letting conditioned air escape today. We serve the entire Gulf Coast area, including homeowners in Biloxi and Ocean Springs, where the same coastal climate conditions apply.
We ask about your home's age, approximate square footage, and whether you have had any energy work done before. This helps us show up prepared. We respond within 1 business day and schedule an initial visit within a few days to a week.
A technician accesses your attic to check for obvious gaps, review existing insulation, and assess current ventilation. Some contractors also run a blower door test at this stage to pinpoint exactly where air is escaping. This visit usually takes 45 minutes to an hour and forms the basis for an accurate written estimate.
After the assessment, you receive a written estimate that explains what was found, what will be done, and what it will cost. A good estimate names the materials being used and gives an approximate job duration. Take time to read it and ask questions - there is no obligation.
The crew systematically seals every gap identified during the assessment - around pipes, wires, light fixtures, wall tops, and the attic hatch. Most Gulfport jobs take two to five hours. Afterward, the contractor walks you through the completed work and provides any documentation needed for a Mississippi Power rebate application.
We walk your attic in person, run a blower door test if needed, and give you a written estimate - no obligation, no sales pressure.
(228) 256-1842A blower door test gives you a measurable number showing the improvement - not just a contractor's word that the gaps are closed. We run before-and-after testing on jobs where it applies so you can see the reduction in air leakage as a real result, not a feeling.
We know how Gulfport's high humidity changes the way moisture moves through a building, and why balancing air sealing with proper attic ventilation matters more here than in a drier climate. A contractor from outside this region may seal gaps without accounting for that balance - we do not.
From Gulfport to Slidell, we install attic air sealing across all 12 service areas on the Gulf Coast. That regional presence means we understand the specific housing stock, storm history, and climate conditions that shape what each home needs.
Mississippi Power has offered energy efficiency incentive programs for improvements like air sealing and insulation. We will let you know what programs are currently available and make sure you have the documentation needed to apply. The Building Performance Institute sets the certification standard that most rebate programs reference when verifying contractor qualifications.
Every commitment we make comes back to giving you a clear, honest picture of your home before any work begins. If your attic is already reasonably tight, we will tell you that rather than sell you work you do not need.
Address the other major infiltration point in your home - stopping ground moisture from rising through your floors while the attic is sealed above.
Learn moreWhen you want to go beyond the attic and seal every major air leak point in the entire building envelope from a single visit.
Learn moreCall Gulfport Insulation today for a free attic assessment and written estimate. The sooner your attic is sealed, the sooner your bills drop.