Ordering Custom Lengths

Premium sills are available in custom lengths. To order a custom length sill:

1. Select the next largest size listed sills. For instance. if you want to order a 49" sill, select the 53" sill.

2. When entering your billing information, enter a note in the Comment field stating the size that you want the sill to be. For the above example you would enter, “Make the 53" sill 49" long.”

Limits to Custom Lengths

Custom lengths are only available for Premium sills.

Sills can be ordered to tolerances up to 1/2–inch.

Due to shipping limitations, we cannot make sills longer than 106 inches.


If you have any questions or would prefer to place your order over the phone, call us at 1‑800‑503‑2334.