Classic Keystone Detail — Simply Level and Install
The Keystone Circle Window Surround adds a timeless architectural accent to any Andersen circle window. The keystone detail at the top gives it that custom, old-world craftsmanship look — without the wood maintenance. Precision CNC-cut from Versatex / Azek PVC at Executive Architectural Millwork on Long Island for a perfect fit every time.
Key Features
Keystone accent detail — traditional design that elevates any circle window
100% Versatex / Azek cellular PVC — will never rot, split, warp, or crack
CNC precision cut — perfect fit, no trimming needed
Available in S4S Square edge or With Siding Pocket (3/4" x 3/4")
Decorative use only — not a waterproofing solution
Paintable — accepts exterior paint for a seamless match
Proudly made in the U.S.A. using American-made PVC
These surrounds are decorative only and do not provide waterproofing. Have your windows properly taped and waterproofed by a qualified contractor before installation. Use stainless steel or galvanized fasteners.
Need a Custom Size?
We manufacture in-house and can quote custom sizes. Call 631-234-1090 or email eamillwork@gmail.com.