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Serving Ennis, TX and surrounding areas. (469) 881-8137
Advanced Ennis Insulation serves Glenn Heights homeowners with air sealing, attic insulation, spray foam, and blown-in insulation - built for the 1990s and 2000s slab homes that define most of this fast-growing suburb, with crews ready to respond within one business day of your first call.
Most homes in Glenn Heights were built between the mid-1990s and the late 2000s. That housing stock is hitting the 20-to-30-year mark now, which is when original insulation starts showing real performance gaps and air leakage becomes the main driver of high energy bills.
Glenn Heights homes from the 1990s and 2000s were not built with air tightness as a priority. Open gaps around recessed lights, plumbing stacks, and the attic hatch let conditioned air escape all day - and in a North Texas summer, that leakage shows up directly on your electric bill every month. Sealing those pathways before adding new insulation is what makes the rest of the work actually perform. Learn more about our air sealing services.
Builder-grade attic insulation installed in the 1990s and 2000s was rarely applied at depth, and what was installed has had two to three decades to settle and compress. Glenn Heights attics routinely hit 150 degrees or more in July and August, and an under-insulated attic floor lets that heat bleed directly into the living space below. Bringing the attic to current recommended depth is typically the highest-return single improvement a Glenn Heights homeowner can make.
Glenn Heights sits on expansive clay soil that swells after rain and contracts in summer heat, cycling repeatedly under slab foundations. That movement gradually opens gaps at the sill plate, where the wood framing meets the concrete edge. Spray foam fills those irregular openings and insulates simultaneously - it is the only product that addresses both the gap and the thermal break at the same time.
Blown-in cellulose or fiberglass is the most efficient way to bring a Glenn Heights attic up to the correct depth. It fills evenly around the HVAC ducts, wiring runs, and framing members that are common in homes of this age, and it can often be added over existing material when that material is still in reasonable condition. Most attics in the 1,800-to-2,500-square-foot range typical of this city can be upgraded in a single visit.
A whole-home insulation assessment in Glenn Heights looks at every layer - attic, walls, and the slab edge - not just the easiest access point. Homes in this suburb often have partial upgrades done over the years that leave gaps in coverage. A full review finds what is missing and prioritizes the improvements that will make the biggest difference to comfort and monthly costs.
Attic air sealing targets the specific penetrations in the ceiling plane that act as chimneys - pulling cooled air up and out through the attic continuously. In Glenn Heights homes, recessed can lights and HVAC boot connections are the two most common high-volume leak points. Sealing them with foam or mastic before any new insulation is blown in is what separates an effective upgrade from one that disappoints on the next utility bill.
Glenn Heights straddles the border of Dallas and Ellis counties, about 20 miles south of downtown Dallas. The city grew rapidly during the suburban expansion of the 1990s and 2000s, and the vast majority of its housing stock was built during that 20-year window. That puts most Glenn Heights homes squarely in the age range where original builder-grade insulation has settled and compressed well below its rated R-value, and where air sealing - a concept that was largely absent from residential construction standards of that era - has never been addressed. Homes built to the energy code of 1998 or 2005 are now running against the Department of Energy recommendations for Climate Zone 3, and the difference between what is in the attic and what should be there is one of the primary reasons Glenn Heights homeowners see electric bills that feel out of proportion to the size of their house.
The soil beneath Glenn Heights is the same heavy black clay found across Dallas and Ellis counties - sometimes called "black gumbo" by longtime area residents. This clay expands when wet and shrinks when dry, cycling with every rainy spring and baking summer. Slab-on-grade foundations, which are universal in Glenn Heights, sit directly on that soil, and over 20 to 30 years the repeated movement gradually opens gaps at the sill plate that let outdoor air move into the wall cavity and living space. Glenn Heights also sits in one of the most active hail corridors in North Texas, meaning roof damage that allows water into the attic layer is a recurring concern rather than a one-time event. That combination - aging builder-grade insulation, slab movement on clay soil, and severe spring weather - creates demand for insulation work that goes beyond a simple attic top-up.
Our crew works throughout Glenn Heights regularly, and we understand the local conditions that affect insulation work here. One detail that matters for any project in this city is that Glenn Heights sits in two counties - Dallas to the north and Ellis to the south - which means permit requirements and inspection offices can differ depending on which side of the county line your home sits on. We know how that works and account for it from the start of every job, so it does not become a surprise partway through a project.
Homeowners in Glenn Heights tend to reference the Bear Creek Road corridor and the area around Glenn Heights High School when describing where they live, and we know those neighborhoods well - from the older streets closer to the Bear Creek Road corridor to the newer subdivisions on the south end of the city that have been built out more recently. The newer sections often have homes that have never had a proper energy audit, and the older 1990s neighborhoods are hitting the age where original roof systems and attic insulation are both due for serious attention.
We also serve the surrounding area, including Midlothian, TX to the southwest and Red Oak, TX to the east, so if you have a neighbor in either of those cities looking for insulation help, we can take care of them too.
Reach us by phone or through the contact form. We ask a few basic questions - the age of your home, whether you have noticed high bills or uneven comfort, and the best time to schedule. You will hear back within one business day.
We come out to your Glenn Heights home and walk through the attic, sill plate, and any problem areas you have noticed. You get a written estimate before any work is agreed to - no pressure and no surprise line items. This is also when we discuss what is realistic for your budget.
We seal air bypasses first - recessed lights, plumbing penetrations, and the attic hatch - then add or upgrade insulation to the correct depth. Blown-in work on a typical Glenn Heights home is usually completed in two to four hours. Spray foam work involving the living envelope requires you to be out of the home for a few hours while the product cures.
Before we leave, we walk through what was done, show you the work areas, and answer any questions. If you have follow-up questions in the days after the job, you can reach us directly - we do not disappear once the invoice is paid.
We serve Glenn Heights homeowners across both the Dallas County and Ellis County sides of the city. Call us or send a message and we will get back to you within one business day.
(469) 881-8137Glenn Heights is a city of roughly 15,000 people split across Dallas and Ellis counties, sitting about 20 miles south of downtown Dallas along the I-35E and US-67 corridors. The city grew quickly during the suburban building boom that ran from the mid-1990s through the late 2000s, and that growth brought entire subdivisions of similarly aged homes within a short distance of one another. According to U.S. Census data, the homeownership rate in Glenn Heights is well above the national average, which reflects the character of this community - people buy here and stay. Most of the housing stock consists of single-family brick veneer homes on slab foundations with attached two-car garages, laid out in typical DFW suburban subdivision patterns.
The city is anchored by Glenn Heights High School, which draws the community together on Friday nights, and the Glenn Heights City Hall on Bear Creek Road, where residents handle permits and city services. Bear Creek Road itself is a primary orientation point for locals - neighborhoods on either side of that corridor are the established core of the city, while newer development has pushed south and west. Glenn Heights shares its southern boundary with communities we also serve, including Midlothian and, to the east, Duncanville.
Creates an airtight seal that dramatically reduces energy loss in your home.
Learn MoreKeeps heat out in summer and warmth in during winter for year-round comfort.
Learn MoreFills gaps and cavities evenly for complete whole-home thermal coverage.
Learn MoreWhole-home insulation solutions that lower energy bills and improve comfort.
Learn MoreSafe removal of old or damaged insulation before new installation begins.
Learn MoreProtects floors and pipes while improving your home energy performance.
Learn MoreReduces heat transfer through exterior walls for a more comfortable interior.
Learn MoreSeals drafts and gaps to stop conditioned air from escaping your home.
Learn MoreControls moisture and temperature in your basement for a healthier home.
Learn MoreHigh-density foam offering superior R-value and moisture resistance.
Learn MoreFlexible, sound-dampening foam ideal for interior walls and ceilings.
Learn MoreEnergy-efficient insulation solutions for commercial and industrial buildings.
Learn MoreBlocks ground moisture from entering your crawl space and damaging your home.
Learn MoreProfessional vapor barrier installation to prevent moisture and mold problems.
Learn MoreAdds insulation to existing walls and spaces without major renovation work.
Learn MoreWhether your home is near Bear Creek Road or out in one of the newer subdivisions on the south side, we cover all of Glenn Heights. Call us today or send a message to get started.