Windows built to last a lifetime.
For more than 60 years, Slocomb has engineered and built custom vinyl windows and doors in Pennsylvania — precision-made for every opening, energy efficient in every season, and backed by our Lifetime Limited Warranty.
Every style, made to fit.
Each Slocomb window and door is individually custom made and inspected by our quality control team — in a variety of styles to fit any architecture, contemporary or classic.
Double Hung
Classic style with both sashes tilting in for easy cleaning.
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Sliders
Smooth horizontal operation — ideal above kitchen sinks.
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Casement & Awning
Full 90° opening and multi-point locking security.
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Picture & Architectural
Unobstructed views and custom geometric shapes.
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Bay & Bow
Projection windows that add light, space and a reading nook.
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Garden Windows
An 18″ projection for herbs, plants and décor.
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Sliding Patio Doors
2-, 3- and 4-panel doors up to 16 feet wide.
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Colors & Grids
Woodgrain interiors, dark exteriors and 10+ paint colors.
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Comfortable in every season. Lower bills all year.
Our windows combine a Duralite® warm-edge spacer, high-performance Low-E glass and argon gas to keep heat where you want it.
- Low-E blocks up to 84% of fading UV rays
- UltraFlect delivers the R-5 performance of triple pane in a dual-pane unit
- Triple-glaze option meets ENERGY STAR® Most Efficient
- NFRC-rated and independently certified by Keystone
Find the right series for every project.
From the value-driven Harmony 100 to the coastal-rated 650, each series shares fusion-welded construction and our Lifetime Limited Warranty.
Built in Pennsylvania. Trusted across 22 states.
Leon Slocomb began manufacturing vinyl windows in the early 1960s and became one of the pioneers of the vinyl window industry. Today we build every window and door in our modern 180,000 sq. ft. facility.
We know our customers deal with deadlines, weather delays and many other challenges. That’s why every order comes with personalized customer service from people who know windows.
Our storyPerformance you can verify.
Ask to see the NFRC rating sticker — and compare.
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Slocomb windows, installed by local pros.
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Ready to see Slocomb windows in your home?
Our network of independent dealers measures, sells and installs Slocomb windows and doors across 22 states. Find one near you.