Best Spray Foam Insulation Services in Cedar Park, TX
Are you tired of uneven room temperatures, soaring energy bills, or battling high humidity inside your Cedar Park home? At Stellrr Insulation & Spray Foam, we specialize in transforming uncomfortable houses into energy-efficient sanctuaries. Our campaign targets homeowners in Cedar Park and Williamson County who demand superior indoor air quality and long-lasting thermal protection. Whether you are retrofitting a vintage home in Buttercup Creek or insulating a new build near the Ranch at Brushy Creek, our advanced building science approach ensures your property stays cool during blistering Texas summers and warm during chilly winters. Upgrade your comfort and lower your carbon footprint with the most trusted insulation experts in the area.
Posted on luciaTrustindex verifies that the original source of the review is Google. Sterll did an amazing job cleaning out our attic. They removed all the old insulation and rodent waste thoroughly, then installed spray foam insulation that has completely transformed the space. Afterward, I sealed the attic, which will help lower our energy bills and keep the temperature stable. What impressed me most was how clean and non-toxic the process was, they left the air fresh and the entire area spotless. The team was professional, efficient, and detail-oriented from start to finish. Highly recommend Sterll for anyone looking to clean, sanitize, and insulate their attic properly!Posted on Erica IngierTrustindex verifies that the original source of the review is Google. Stellrr insulation is running a top notch business. We are very happy with the results of our project, most importantly, but our communications with Pickle and Wayne were timely, thorough, and overall great. Their timeline was also excellent, which isn’t always the case with home improvement projects. From the time they quoted us to the time getting the job done was speedy. We are happy with their work and appreciative. Erica I.Posted on Roland MerzTrustindex verifies that the original source of the review is Google. I want to thank Wayne and Angel for their quick response in helping us out. We were doing a construction project on our student center in San Marcos Tx. and found out that we needed to have a dumpster on site before we could proceed. I made a call to Wayne with dumpstersaurus dumpsters and explained my situation. He was quick to respond and had me a dumpster at the construction site the same day saving us from having the project shut down. Not only did he get it there the same day but the price was very fair and service was very friendly. In today’s business world it was very refreshing to have a company that was trustworthy, quick to respond with same day friendly service, and a very fair price, If you are needing a dumpster I highly recommend dumptersarus dumpsters. Thank you dumpstersaurs dumpsters. Roland M.Posted on John FarleyTrustindex verifies that the original source of the review is Google. Pickle and the entire team did an amazing job from start to finish. From bidding to implementation, they really did the best job. Today our house is cooler than ever! Thanks Stellr!Posted on Ashley KolarTrustindex verifies that the original source of the review is Google. Stellr Insulation was fast and efficient. We needed to have a job done quickly and they were very accommodating and even were able to move our appointment up a day. We especially appreciated Pickle as he always kept us informed throughout the process!Posted on Michael Cleveland OsborneTrustindex verifies that the original source of the review is Google. Very efficient, really friendly service, highly recommend all aroundPosted on Nathaniel GrangerTrustindex verifies that the original source of the review is Google. Choosing this company for our attic insulation was a great decision. They got the job done quickly and efficiently, and their team was super organized and professional. Everyone was courteous, and they left the space spotless when they finished. We're really happy with the results, our home feels more comfortable and energy-efficient already. Highly recommend them to anyone looking for quality insulation work!Posted on Camella BridgesTrustindex verifies that the original source of the review is Google. I had a great experience with Stellrr because the team is awesome. Pickle was so helpful and nice to work with. Frank and Jorge did the insulation work and it went super smoothly. The owner, Wayne, is awesome too - thanks for your extra help, Wayne!Posted on LailaTrustindex verifies that the original source of the review is Google. This is an amazing company! I highly recommend. Stellr has been great to work with. Everyone we were in contact with has been super friendly, polite, and professional. They take the time to explain all of the options for your attic and pricing is straightforward. Sheldon worked with us and he was always so helpful and professional. The two gentleman that came to do the insulation were very hardworking, courteous, and finished ahead of schedule. One of the men even helped bring in a heavy delivery for me- even though he had a huge day of work ahead for him. (I forgot his name, but Stellr knows- because I let them know how impressed I was with his help). The owner Wayne and his wife are wonderful to work with and made sure everything went smoothly. Give these guys a call. Truly excellent company.Posted on Joshua MorrisTrustindex verifies that the original source of the review is Google. I told Stellrr that I would post a review when I had data to back it up. 18 months later, I do: In summer of 2024, we never turned off our A/C. And we saved $1160.71 (58%) vs 2023. This is a likely underestimate of annual savings, since Stellrr installed the foam in May of 2023. I've uploaded a timeline of our gas and electricity bills as we've made multiple improvements--not just spray foam. The gap between what we pay with these improvements and what we would've paid without them will grow bigger forever: energy will never get cheaper. So, here's my empirical take mixed with a bit of common sense: Stellrr's foam insulation provides good value, but without it, other energy-saving improvements will provide half the value they could. It's a foundational improvement--something you do *first*. It's what a nerd's nerd would call "a force multiplier," meaning it makes other improvements vastly more effective by being there. And so you should get it early in your "healthy and efficient home" journey. Unpacking that a bit: from a straight-up balance sheet, we will not ROI on Stellrr, solar, HVAC, electric appliances, and the other improvements we've made. But not breathing all that particulate matter from the nearby interstate? All the gas stove fumes we won't be inhaling? Hell, it's not unlikely we ROI on not having to pay for extended medical care in 30 years. So, if you're into a better quality of life that--bare minimum--mostly pays for itself, I'd recommend doing things In this order: 1. FIRST: Update your ducting, minimally, and your ventilation fans. My only regret--these are hard to do with foam there. 2. Get Stellrr's spray foam. They'll do the best job. 3. Look into a mid-high efficiency heat pump. ($2k tax credit, at least!) Spring a bit extra for an energy-recovery ventilator, installed professionally. Get a UV bulb for that alpine air feeling. 4. Consider solar (30% tax credit til like 2033!)l; also, batteries. 5. If you got those batteries, enroll in Austin Energy's Time of Use program so that you can coast on battery power when electricity is expensive (3-7PM). We do just fine on 20kWh. Bonus: some outage protection! I wasn't the easiest customer--I had a point or two of frustration (communications) with the company during the install. Stellrr sells their product hard, but... like all things ahead of their time, they have to make a complex case that won't appeal to everyone because the value of having an airtight, well-insulated home simply isn't obvious to all. I'm glad I listened--they were right!
Engineering the Perfect Thermal Envelope
While many contractors simply spray foam and leave, we focus on the holistic performance of your building’s envelope. Living in Central Texas means battling intense heat and humidity that force their way into your living space through attic leaks, wall crevices, and crawl spaces. Our diagnostic approach identifies exactly where your home is losing energy. By sealing these bypasses and applying high-performance insulation, we don’t just patch a problem; we fundamentally change how your home interacts with the environment, reducing the load on your HVAC system and prolonging the life of your roof and mechanical equipment.
Our Comprehensive Insulation Services
Residential Insulation
Open Cell Insulation
Closed Cell Insulation
Commercial building Insulation
Cellulose Insulation
Attic Insulation
Insulation Removal
Crawlspace Insulation
Wall Insulation
Commercial Spray Foam Insulation
Residential Spray Foam Insulation
Why Our Insulation Technology Stands Out
Building Science Methodology
We treat the house as a system, diagnosing airflow and thermal bypasses.
Certified Application
Our installers are trained in precise chemical ratios for safe, odor-free curing.
Air Quality Focus
We prioritize materials that reduce allergens and seal out pollutants.
Lifetime Performance
Our solutions are designed to last the life of the building without settling.
Famous Places in Cedar Park
A premier multi-use entertainment facility that hosts the Texas Stars hockey team and the Austin Spurs, serving as the heartbeat of local sports and concerts.
Located in the Cedar Park Depot, this attraction offers a nostalgic journey through the Texas Hill Country aboard vintage flyers, preserving the history of rail travel.
A 90-acre park offering nature trails, kayaking, and fishing, making it a favorite outdoor escape for families living in the surrounding residential developments.
This community hub features a pool, rock climbing wall, and velvet-smooth sports fields, acting as a central gathering spot for Cedar Park residents.
Held year-round, this market connects the community with local agricultural producers, offering fresh produce and artisanal goods in a lively atmosphere.
A solemn and beautiful space dedicated to veterans, featuring a 5-acre dog park and a large aquatic facility that is a summer staple for locals.
Success Story: The Buttercup Creek Retrofit
Cedar Park Insulation Transformation: A family in the Buttercup Creek neighborhood was struggling with an upstairs master bedroom that remained 10 degrees hotter than the rest of the house. Our team removed the dusty, compressed fiberglass and encapsulated the attic roof deck with open-cell spray foam. The result was immediate: the attic temperature dropped to within 5 degrees of the living space, the HVAC unit stopped running continuously, and the upstairs became their favorite retreat.
What your neighbors in Cedar Park, TX say about our Spray Foam Insulation services
Posted on luciaTrustindex verifies that the original source of the review is Google. Sterll did an amazing job cleaning out our attic. They removed all the old insulation and rodent waste thoroughly, then installed spray foam insulation that has completely transformed the space. Afterward, I sealed the attic, which will help lower our energy bills and keep the temperature stable. What impressed me most was how clean and non-toxic the process was, they left the air fresh and the entire area spotless. The team was professional, efficient, and detail-oriented from start to finish. Highly recommend Sterll for anyone looking to clean, sanitize, and insulate their attic properly!Posted on Erica IngierTrustindex verifies that the original source of the review is Google. Stellrr insulation is running a top notch business. We are very happy with the results of our project, most importantly, but our communications with Pickle and Wayne were timely, thorough, and overall great. Their timeline was also excellent, which isn’t always the case with home improvement projects. From the time they quoted us to the time getting the job done was speedy. We are happy with their work and appreciative. Erica I.Posted on Roland MerzTrustindex verifies that the original source of the review is Google. I want to thank Wayne and Angel for their quick response in helping us out. We were doing a construction project on our student center in San Marcos Tx. and found out that we needed to have a dumpster on site before we could proceed. I made a call to Wayne with dumpstersaurus dumpsters and explained my situation. He was quick to respond and had me a dumpster at the construction site the same day saving us from having the project shut down. Not only did he get it there the same day but the price was very fair and service was very friendly. In today’s business world it was very refreshing to have a company that was trustworthy, quick to respond with same day friendly service, and a very fair price, If you are needing a dumpster I highly recommend dumptersarus dumpsters. Thank you dumpstersaurs dumpsters. Roland M.Posted on John FarleyTrustindex verifies that the original source of the review is Google. Pickle and the entire team did an amazing job from start to finish. From bidding to implementation, they really did the best job. Today our house is cooler than ever! Thanks Stellr!Posted on Ashley KolarTrustindex verifies that the original source of the review is Google. Stellr Insulation was fast and efficient. We needed to have a job done quickly and they were very accommodating and even were able to move our appointment up a day. We especially appreciated Pickle as he always kept us informed throughout the process!Posted on Michael Cleveland OsborneTrustindex verifies that the original source of the review is Google. Very efficient, really friendly service, highly recommend all aroundPosted on Nathaniel GrangerTrustindex verifies that the original source of the review is Google. Choosing this company for our attic insulation was a great decision. They got the job done quickly and efficiently, and their team was super organized and professional. Everyone was courteous, and they left the space spotless when they finished. We're really happy with the results, our home feels more comfortable and energy-efficient already. Highly recommend them to anyone looking for quality insulation work!Posted on Camella BridgesTrustindex verifies that the original source of the review is Google. I had a great experience with Stellrr because the team is awesome. Pickle was so helpful and nice to work with. Frank and Jorge did the insulation work and it went super smoothly. The owner, Wayne, is awesome too - thanks for your extra help, Wayne!Posted on LailaTrustindex verifies that the original source of the review is Google. This is an amazing company! I highly recommend. Stellr has been great to work with. Everyone we were in contact with has been super friendly, polite, and professional. They take the time to explain all of the options for your attic and pricing is straightforward. Sheldon worked with us and he was always so helpful and professional. The two gentleman that came to do the insulation were very hardworking, courteous, and finished ahead of schedule. One of the men even helped bring in a heavy delivery for me- even though he had a huge day of work ahead for him. (I forgot his name, but Stellr knows- because I let them know how impressed I was with his help). The owner Wayne and his wife are wonderful to work with and made sure everything went smoothly. Give these guys a call. Truly excellent company.Posted on Joshua MorrisTrustindex verifies that the original source of the review is Google. I told Stellrr that I would post a review when I had data to back it up. 18 months later, I do: In summer of 2024, we never turned off our A/C. And we saved $1160.71 (58%) vs 2023. This is a likely underestimate of annual savings, since Stellrr installed the foam in May of 2023. I've uploaded a timeline of our gas and electricity bills as we've made multiple improvements--not just spray foam. The gap between what we pay with these improvements and what we would've paid without them will grow bigger forever: energy will never get cheaper. So, here's my empirical take mixed with a bit of common sense: Stellrr's foam insulation provides good value, but without it, other energy-saving improvements will provide half the value they could. It's a foundational improvement--something you do *first*. It's what a nerd's nerd would call "a force multiplier," meaning it makes other improvements vastly more effective by being there. And so you should get it early in your "healthy and efficient home" journey. Unpacking that a bit: from a straight-up balance sheet, we will not ROI on Stellrr, solar, HVAC, electric appliances, and the other improvements we've made. But not breathing all that particulate matter from the nearby interstate? All the gas stove fumes we won't be inhaling? Hell, it's not unlikely we ROI on not having to pay for extended medical care in 30 years. So, if you're into a better quality of life that--bare minimum--mostly pays for itself, I'd recommend doing things In this order: 1. FIRST: Update your ducting, minimally, and your ventilation fans. My only regret--these are hard to do with foam there. 2. Get Stellrr's spray foam. They'll do the best job. 3. Look into a mid-high efficiency heat pump. ($2k tax credit, at least!) Spring a bit extra for an energy-recovery ventilator, installed professionally. Get a UV bulb for that alpine air feeling. 4. Consider solar (30% tax credit til like 2033!)l; also, batteries. 5. If you got those batteries, enroll in Austin Energy's Time of Use program so that you can coast on battery power when electricity is expensive (3-7PM). We do just fine on 20kWh. Bonus: some outage protection! I wasn't the easiest customer--I had a point or two of frustration (communications) with the company during the install. Stellrr sells their product hard, but... like all things ahead of their time, they have to make a complex case that won't appeal to everyone because the value of having an airtight, well-insulated home simply isn't obvious to all. I'm glad I listened--they were right!
Why Choose Stellrr Insulation?
Your home is a complex system, and generic solutions often fail to deliver real results. At Stellrr Insulation & Spray Foam, we move beyond the “spray and pray” method used by many competitors. We utilize diagnostic tools and building science principles to create a custom solution for your specific property. Our goal isn’t just to sell insulation; it is to solve the problems of uneven temperatures, allergens, and overworked A/C units. When you choose us, you are partnering with a team that values transparency, cleanliness, and long-term performance. We turn your house into the energy-efficient haven you deserve.
Service Area & Local Reach
Buttercup Creek, Ranch at Brushy Creek, Ranch at Deer Creek, Caballo Ranch, Cypress Canyon, Anderson Mill West, Forest Oaks, Carriage Hills, Cedar Park Towncenter, Gann Ranch, Heritage Park, Walsh Trails, Lakeline Oaks, Woodford Estates, Silverado West, Twin Creeks, Red Oaks, Ranch at Cypress Creek, Shenandoah, Silverstone, Coventry Crossing, Cross Creek, Cedar Park Ranchettes, Bella Vista, The Woods at Carriage Hills, Villages at Carriage Hills, Post Oak Estates, Vineyard at Block House Creek, Block House Creek, Carriage Hills, Leander, Round Rock, Austin.
Counties Served
Williamson County, Travis County.
Ready to Transform Your Home Comfort?
Don’t let another Texas summer drain your bank account and ruin your comfort. Take control of your home’s environment today. Contact Stellrr Insulation & Spray Foam to schedule your comprehensive evaluation.
Phone: (512) 710-2839 Email: info@stellrr.com
Frequently Asked Questions About Insulation in Cedar Park
How does spray foam handle the high humidity levels in Cedar Park?
Spray foam is an excellent solution for humid climates because it acts as an air barrier. Sealing air leaks prevents moisture-laden outdoor air from entering your home and condensing on cool surfaces, significantly reducing the risk of mold growth and lowering the humidity load on your air conditioner.
Will removing my old insulation improve my indoor air quality?
Yes, absolutely. Old fiberglass or cellulose insulation can trap dust, rodent waste, and pollen over the years. Removing these contaminated materials and replacing them with clean spray foam eliminates these allergen sources and seals the home against future pollutant infiltration.
Is open-cell or closed-cell foam better for Cedar Park attics?
For most residential attics in our area, open-cell foam is the preferred choice. It is cost-effective and allows for the detection of roof leaks should they occur. However, if your home is in a flood-prone area or requires structural reinforcement, closed-cell foam may be recommended.
Can spray foam insulation reduce noise from nearby traffic or neighbors?
Yes, spray foam has significant sound-dampening properties. Open-cell foam, in particular, is softer and absorbs sound waves effectively. Homeowners in busy neighborhoods often report a noticeable reduction in exterior noise after insulating walls and attics.
How long does the installation process typically take?
Most residential projects in Cedar Park, such as attic encapsulation or a crawl space retrofit, can be completed in 1 to 2 days. Our team works efficiently to remove old materials, prep the site, spray the foam, and clean up, ensuring minimal disruption.
Does spray foam insulation help with pest control?
While spray foam is not a pesticide, it creates a rigid seal that closes off the tiny entry points mice, insects, and other pests use to enter your home. By sealing the envelope, you naturally reduce the likelihood of infestations.
Will spray foam make my house “too tight” for fresh air?
This is a common myth. While we seal the “uncontrolled” air leaks that bring in dust and humidity, we ensure your home is ventilated properly through “controlled” mechanical ventilation. This allows you to breathe fresh, filtered air rather than dirty attic air.
Can I stay in my home during the spray foam application?
For safety reasons, occupants and pets must vacate the premises during the spraying process and for a curing period afterward (typically 24 hours). This ensures you are not exposed to off-gassing while the foam hardens and becomes inert.
How does spray foam impact the resale value of my home?
Energy-efficient upgrades are a major selling point. A home with spray foam insulation has lower utility bills, better air quality, and superior comfort, which are highly attractive features for potential buyers in the competitive Cedar Park real estate market.
Why is my upstairs always hotter than my downstairs?
This is usually due to the “stack effect” combined with poor attic insulation. Hot air rises and escapes through upper leaks, while radiant heat from the roof penetrates the attic floor. Spray foam seals the attic, breaking this cycle and equalizing temperatures between floors.