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Wichita Falls Insulation Company serves Lewisville, TX with home insulation, attic upgrades, spray foam, and crawl space services. Most Lewisville homes were built between the 1980s and early 2000s and are now at the age where original insulation needs attention - we have provided free written estimates and honest assessments to North Texas homeowners since 2022.
A full-home insulation assessment in Lewisville typically finds that the attic is the biggest priority, followed by air sealing and - in older in-town homes - wall cavities that have never been insulated. Our home insulation service covers the whole envelope - attic, walls, crawl space, and rim joist - so you get a complete picture of where your home is losing energy, not just a single-area fix.
In Lewisville's 1980s and 1990s homes, original attic insulation has typically compressed to well below the depth installed - and below what current standards recommend for the North Texas climate. Summer attic temperatures regularly exceed 130 degrees Fahrenheit, which means thin insulation is actively losing the battle with the heat pressing down from above. Upgrading attic depth is almost always the fastest path to a measurable drop in cooling costs.
Blown-in loose-fill insulation is well-suited to the consistent attic structures common in Lewisville's brick-veneer subdivisions - rectangular joist bays, good access, and relatively simple framing. When the existing material is still dry and structurally sound, blown-in can be added on top without a tear-out, keeping the job simple and the cost down. For homeowners who want a cost-effective attic upgrade without the disruption of a full removal, it is the practical starting point.
Homes near Lewisville Lake - where persistent humidity speeds up insulation degradation - benefit from closed-cell spray foam in crawl spaces, rim joists, and garage ceilings because it does not absorb moisture the way fiberglass batts do. Spray foam also handles irregular framing and existing gaps that blown-in material cannot reach, making it a strong choice for the older in-town homes near Old Town Lewisville that have had multiple rounds of DIY maintenance over the years.
Homes near Lewisville Lake and along low-lying streets near the corps of engineers land see more ground moisture under the floor system than homes farther from the water. Insulating the crawl space floor joists and installing a vapor barrier stops that moisture from reaching subfloor materials and floor framing above, reducing both energy loss and the humidity that promotes wood decay in enclosed spaces.
Lewisville's clay soils shift foundations slightly with each rain-and-drought cycle, which over time widens gaps along rim joists and around mechanical penetrations. Adding insulation without sealing those gaps first means the new material is working against a steady flow of outside air. Air sealing done alongside insulation - not as an afterthought - is what makes the whole system perform at the level homeowners expect.
Most of Lewisville's housing stock was built between the mid-1980s and the early 2000s - a period of rapid suburban growth along the I-35E corridor. Homes from that era are now 25 to 40 years old, which is the age when original insulation consistently falls below effective performance levels. The fiberglass batts installed in the early 1990s have had decades to compress, absorb humidity, and shift as the house settles. Homeowners who have not had their attic assessed since moving in are often surprised at how much material has degraded.
The DFW climate compounds the problem. Lewisville summers bring sustained heat in the mid-90s to 100 degrees Fahrenheit from June through August, and the combination of high temperature and elevated humidity during storm season stresses both insulation and exterior materials harder than a drier climate would. Brick-veneer construction - the dominant exterior type in Lewisville subdivisions - holds up well aesthetically, but the wood framing and sheathing behind it are subject to the same moisture and heat stress as any wood-frame home.
The February 2021 winter storm that knocked out power across Texas hit the DFW suburbs hard. Many Lewisville homeowners discovered for the first time that their homes had little or no protection against sustained temperatures in the single digits, and some found that their insulation had absorbed moisture during the ice event and needed to be replaced. If your home has not been assessed since then, it is worth confirming that the attic and crawl space materials are still in serviceable condition.
We pull permits through the City of Lewisville Planning and Development department for projects that require one, and we are familiar with the residential inspection process in the city. For most standard insulation upgrades - adding blown-in to an attic, sealing the rim joist, installing a crawl space vapor barrier - a permit is not required, but we confirm the current requirements before every job.
The neighborhoods we see most often in Lewisville split into two clear types. Older in-town areas near Old Town Lewisville and along Main Street have smaller homes from the 1960s and 1970s that sometimes still have original attic insulation and no wall cavity insulation at all. Newer subdivisions near Flower Mound Road and the Castle Hills area have larger homes with better initial insulation but are now old enough that the original material is due for inspection or upgrade. Knowing which type of home you have before we arrive lets us bring the right materials and set accurate time expectations.
Lewisville sits along I-35E, which connects it directly to Denton to the north and into Dallas to the south. We serve the whole Lewisville area, including neighborhoods near Lewisville Lake and those closer to Flower Mound and Carrollton. We also take jobs in Weatherford and other parts of the broader North Texas area.
We ask basic questions about your home - age, size, and what you have been noticing - so we arrive prepared. We respond within one business day and schedule in-home estimates within the week.
We inspect the attic, crawl space, and rim joist area and measure what is there. The written estimate you receive explains what we found and what fixing it will cost - no high-pressure upselling, no vague line items.
Most Lewisville jobs are completed in one to two days. You can stay home during blown-in and air sealing work. Spray foam applications require the household - including pets - to vacate for about 24 hours while the foam cures.
Before we leave, we walk you through the completed work and explain what was done. If you have concerns in the weeks following the job, we come back. The work is permanent and needs no maintenance from you.
Lewisville homeowners get free written estimates and same-week scheduling. No pressure, no hidden costs.
(940) 298-1772Lewisville, Texas is a well-established suburb of roughly 115,000 people, situated about 25 miles north of downtown Dallas along I-35E. The city grew rapidly from the mid-1980s through the early 2000s, and that growth defined most of the current housing stock - the majority of Lewisville's single-family homes are brick-veneer construction on concrete slab foundations, built in subdivisions that range from modest starter homes to larger properties in neighborhoods like Castle Hills. The older part of the city, near Old Town Lewisville along Main Street, has smaller homes from the 1960s and 1970s with a different set of maintenance needs.
Lewisville Lake sits at the northern edge of the city, covering more than 29,000 acres and drawing residents and visitors year-round. For homeowners in neighborhoods that back up to the lake or its surrounding parkland, the proximity to open water means elevated humidity in attic and crawl space environments - a factor that influences which insulation materials perform best over time. The I-35E corridor bisects the city, making it easy to access from both the north and south, and Vista Ridge Mall near the highway serves as a practical reference point for the city's commercial center.
Lewisville is a practical, owner-occupied community - roughly half of its housing units are owner-occupied, and household incomes are moderate to above average for the region. Homeowners here tend to take maintenance seriously, and the 25-to-40-year age of most homes means insulation upgrades are a natural next step for anyone who has not had an assessment in the last decade. We serve Lewisville as part of our broader North Texas area, which also includes Denton to the north and Weatherford to the west.
High-performance spray foam that air-seals and insulates in a single application.
Learn moreProper attic insulation that keeps conditioned air in and outdoor temperatures out.
Learn moreLoose-fill insulation blown into attics and wall cavities for even, gap-free coverage.
Learn moreWhole-home insulation solutions that improve comfort and reduce energy bills.
Learn moreSafe removal of old, damaged, or contaminated insulation before a fresh install.
Learn moreCrawl space insulation that stops moisture, pests, and cold floors from entering your home.
Learn moreInterior and exterior wall insulation for better soundproofing and thermal control.
Learn moreIdentifying and sealing air leaks that silently drive up heating and cooling costs.
Learn moreBasement insulation and moisture control that makes below-grade spaces livable.
Learn moreDense, rigid closed-cell foam delivering the highest R-value per inch available.
Learn moreFlexible open-cell foam ideal for interior walls, floors, and sound dampening.
Learn moreSealing attic bypasses and penetrations before adding insulation for maximum efficiency.
Learn moreHeavy-duty vapor barriers that prevent ground moisture from entering your crawl space.
Learn moreProfessional vapor barrier installation for crawl spaces, basements, and below-grade areas.
Learn moreAdding insulation to existing homes without major demolition or disruption.
Learn moreCommercial and light industrial insulation for offices, warehouses, and retail spaces.
Learn moreCall today for a free assessment and written estimate. The older your home, the more likely an upgrade will pay for itself - and summer is coming.