Indiana Limestone window sills are the most popular natural stone sills used in North America. Window sills made of Indiana Limestone are the product of choice below window openings. They work to protect against water damage. Indiana Limestone sill are an accent band within a masonry field.

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Classic Complement

Choosing Indiana Limestone window sills adds the classic complement to your architectural design. Available in both gray and full color blend, you can choose between a smooth or rock face finish to match the architectural style you desire

Comprehensive Inventory

Indiana Limestone window sills are produced as a simple rectangular shape from mill run quality Indiana Limestone. They are available in three standard course heights of 2-1/4”, 3”, and 4”. We offer standard sill depths from 4-1/2” to 24”. Each sill comes jointed to a standard length of 4’, 6’, or 8’. Window sills are offered with smooth edges or machine pitched along one long edge. A drip edge can also be added as needed.

Indiana Limestone Company’s extensive inventory and short fabrication lead time makes it easy to add and/or carry Indiana Limestone sills to enhance your masonry product line and complete your Indiana Limestone Classics offering.

Thin Veneer Sills Available

Indiana Limestone window sills are rapidly becoming the product of choice for use with all types of thin stone veneers. Made from the same mill run quality Indiana Limestone, our thin stone sills provide the perfect finishing touch for any thin stone veneer project. Our thin veneer window sills come standard in a 2-1/4” course height, 2-1/2” or 3-1/2″ depth, and 4’ length. Available in smooth, rocked, and rocked & dripped.

Available Colors



Light to medium shades of gray with some veining and grain movement visible in the face and fine to medium grained stone.

Full Color Blend


A natural compilation of the full range of buff to medium gray shades with the same great subtle veining.

Packaging Info

Delivery, Storage, and Handling:

  • Indiana Limestone sills should be unloaded and handled carefully to prevent excess breakage.
  • Product will be supplied adequately packaged on pallets or timbers to keep finished stone clear of the ground.
  • Storage area should be a well-drained space, graveled or chipped for protection against mud splatters.
  • Sills should be handled carefully to avoid excess chips and scratches.
  • When using pry bars to move stone into place, use padding to protect the edges of the stone.