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Cast Stone Window Sills
At Caliber Cast Stone, we craft cast stone window sills that blend functionality with architectural design. Serving builders and homeowners across St. Louis and beyond, we offer durable precast solutions tailored to any window. As the only local cast stone manufacturer in the area, we bring you significant savings.
Add Elegance With Cast Stone Window Sills
Timeless Elegance Meets High Performance
Our cast stone window sills are engineered to replicate the rich texture and appearance of natural stone, offering superior durability and resistance to the elements. Whether you need stooled sills, straight sills, or integrated sills with window heads and keystones, our team produces cast stone products that elevate the exterior look of your structure while improving weather protection.
Each cast stone sill is available in standard and custom dimensions, designed to coordinate seamlessly with window surrounds, brickwork, and other exterior masonry units. From historic renovations to modern builds, our building materials bring the highest quality and timeless beauty to every façade.
Cast Stone Window Sill Manufacturer
A Behind-the-Scenes Experience Like No Other
While we don’t operate a traditional showroom, we invite you to visit our St. Louis cast stone manufacturing facility for a more authentic experience. Watch our expert craftsmen shape masonry products using Portland-based mixes and modern precast techniques. You’ll gain a deeper appreciation for the attention to detail and craftsmanship that go into each finished product, including coping stones, balustrades, and cast stone window sills.
We serve clients across St. Louis, Chesterfield, Kirkwood, Wildwood, St. Charles, Columbia (MO), Springfield, and throughout Illinois, Arkansas, Kansas, Oklahoma, Nebraska, Iowa and the greater Midwest. Whether you’re sourcing materials for a single home or a large development, we’re here to help with your next project.
Why Caliber for Your Cast Stone Window Sills
Why Choose Caliber Cast Stone
- Custom-fit sills in stooled, straight, or sloped profiles
- Expertly crafted with precast technology for long-term performance
- Seamless integration with window heads, keystones, and window surrounds
- Made to match natural stone aesthetics with enhanced weather resistance
- Personalized service from concept to completion
Bring structure, symmetry, and elegance to your exterior with cast stone window sills made to last. Contact Caliber Cast Stone at (636) 978-4000 or visit our facility in O’Fallon, MO to get started on your next project.