Air Sealing Services in Casselberry, FL

September 5, 2025

Air leakage can seriously compromise the energy efficiency of your home, forcing your HVAC system to work harder. Cold air creeping into your home in winter can also ruin your comfort and take a toll on your overall well-being. The bottom line is you wouldn’t want any air leaking into your home, be it during hot weather or cold. This is where air sealing services can save the day. Seasoned professionals understand precisely how to seal every crack and gap around your home to prevent unwanted thermal exchange.


When you hire a reputable air sealing service, you can count on them to take a comprehensive approach. This means they’d start by carefully detecting every existing leak, which ensures no oversight. With the leaks mapped out, they get to work, caulking and weatherstripping doors and windows that leak air. Additionally, they also caulk and seal air leaks at spots where plumbing, ductwork, and electrical wiring exit the walls, floors, or ceilings.


At Capstone Insulation, that’s exactly the kind of approach we take, offering holistic sealing solutions. Our professionals have what it takes to maximize your property’s energy efficiency by preventing heat loss. We use high-quality caulk, sealants, and foam gaskets that stand the test of time. The top-notch results we deliver have made us the go-to contractor for air sealing services in Casselberry, FL, among residential and commercial property owners alike.

ABOUT US - Casselberry, FL

Located in Seminole County, Florida, the city of Casselberry lies in the Orlando–Kissimmee–Sanford Metropolitan Statistical Area. Home to about 29,473 residents, it offers a dense suburban feel with plenty of parks and coffee shops. The city’s several highly rated schools make it a good place to raise a family. However, Casselberry is also home to many young professionals, with several bigger towns lying within a close drive. Downtown Orlando is about 20 miles south, and Jacksonville, Miami, Tampa, and Daytona Beach remain easily accessible too. The city boasts a diverse community – both economically and ethnically.

Outdoor enthusiasts can enjoy ample green spaces in Casselberry, with the city maintaining 17 parks and other recreational spots. The Secret Lake Park, Lake Concord Park, and Greenway Trail are particularly popular. Other key attractions include the Casselberry Sculpture Garden, the Casselberry Art House, and the Casselberry Golf Club.

Happy customers in Casselberry, FL

Derek from Capstone installation did a great job on my attic had a rodent problem and low installation he went up there took pictures and videos. Explain what needed to be done, and did the job as well as follow up highly recommend.

Shawana J.

Capstone is a pleasure to work with. Derek and his crew completed a full attic insulation upgrade to my complete satisfaction. They arrived on time and when they left the garage was cleaned as if they were never there. Thanks for the professional work.

James R.

Derek and his men were very very professional and efficient. They blew in insulation into my attic above my garage and the it looks AWESOME!! I would recommend them to all my friends and family if you need Insulation work done. Thank you again for all of your hard work and service!!

Karen H.

Amazing team and very professional! From the time they did estimate to the time when insulation was done, very impressed with their service and work quality! Thank you very much!! Will be recommending this company to everyone!!!

Eva D.

Today we had our attic space insulated and the crew that was sent did a superb job. The crew consisted of Rafael, Michael, Nate & Leo, they were courteous and professional, while continually doing a professional job. They were always careful and made sure everything was done correctly. Thank you for an excellent job. Sincerely John Karamouzos.


John K.

Great service and crew including Derek, James, and Michael. Their ability to insulate and seal properly resulted in a 15 percent increased air seal and insulation throughout the home - which will help our costs on both extremely hot and cold days plus level out temperatures in all our rooms. Highly recommend!


Elizabeth M.

Our Services in Casselberry, FL

Capstone Insulation - Top Rated Air Sealing Services Contractor You Can Trust in Casselberry, FL

With a wealth of professional experience and a solid track record that spans over a decade, Capstone Insulation is here to provide you with top-notch air sealing services in Casselberry, FL. Our professionals are adept at insulation and sealing, with a strong understanding of thermal efficiency. With our crew at your side, you can maximize your comfort and energy savings. Our vast clientele in the region continues to grow as we uphold the standards we’ve always strived to set. You too, could be a part of it – contact us and schedule an inspection today.

Attic space insulated with thick, light-colored spray foam insulation. Wooden beams frame the ceilng

Air Sealing Services in Winter Springs, FL

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Air sealing services tackle a problem that’s invisible but very real—air leaks. These leaks let conditioned air escape and outside air get in, and your HVAC system has to work harder. The result is hot and cold spots, higher energy bills, and uncomfortable indoor air. By sealing those cracks, gaps, and penetrations
There is a ladder in the attic of a house.

Air Sealing Services in Winter Park, FL

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A home with hidden leaks like door gaps or window pane leakage can never become completely energy-efficient. Hence, you should look for trusted and practical air sealing services in Winter Park, FL, to get a quick and long-lasting solution.
A room with foam insulation on the walls and ceiling.

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The ceiling of a house with wooden beams and foam insulation.

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A person is spraying foam on a white pipe

Air Sealing Services in Davenport, FL

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