
Expand Your San Antonio Home With A Patio Enclosure
Create a new space in your home by enclosing an outdoor patio for a weather-tight room. Turn your existing patio into a sun room, extra play room for the kids, or just a new hangout spot by enclosing the space with high-quality siding, windows, and doors.
Contact Southwest Exteriors today to schedule a commitment-free consultation with a trusted San Antonio window, siding, and door specialist since 1989.
Transforming your patio into a fully enclosed space consists of many different steps. Here's an overview of what we do and don't do that we want you to be aware of before starting your project.
What We Do
- Full window removal
- Frame and header construction
- Door installation
- Trim, sheetrock and siding repair
What We Don't Do
- Electrical
- Plumbing
- Roofing *patio structure must have a roofline already installed*
Custom Construction To Fit Your Home
While turning your patio into an enclosed room may seem like a stressful project, with the right company, it doesn't have to be. Southwest Exteriors is an expert contractor in window, siding, and door replacements as well as building structurally sound walls to support your new addition.
Expand you home with a new, weather-tight room with products from Marvin, James Hardie, Anlin, and more. These high-quality products paired with our expert installation provide your home with
- Durability
- Energy Efficiency
- Longevity
- Protection against rot, fading, and warping
- Custom products to fit your home
- Warranty to last as long as you own your home
Choose the best windows, siding, and doors to protect your home and elevate your exterior with Southwest Exteriors.

Hear From Our Happy Customers
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They communicate every step of the way. The installers were very pleasant & professional. They were careful with the surroundings & cleaned everything before leaving.- Jill C.
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The work was done on time with no issues and the entire team was responsive and dedicated to making us happy with the final results. Highly recommend them.- Scott & Kim H.
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We met with three door companies before choosing SW Exteriors. They were very professional and personable. It was such an easy process and they are on top of their communication…I never had to follow up!- Brooke E.
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The installers were very polite, very professional, and I am very pleased with your company.- Luisa G.
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They worked seamlessly together in tandum. They were fast, efficient, and hard working. I was extremely impressed that it only took them a few hours to replace 9 VERY OLD windows!- Mandy R.
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From start to finish, things were communicated and happened on time. Crews were friendly and respectful of my premises. And I absolutely love my casement windows!- Kim I.
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This was one of the best experiences I have had with a home construction contractor. The install crew was extremely efficient, and the teamwork was amazing to see. After 10 years, the windows look like new. Extremely pleased.- Bill J.
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They were professional and informative, not salesy, in the initial meeting, answering all my questions and showing me all options. They actually listened to what I wanted!- Shirley S.
