Charter Oak® Brand – The Siding That Redefined an Industry

Experience the beauty and strength of Charter Oak®, Alside’s flagship vinyl siding. Designed to mirror the warmth and character of natural wood, it delivers exceptional durability, effortless performance, and freedom from heavy maintenance.

TriBeam® Technology provides unparalleled rigidity, while a double-thick nail hem gives Charter Oak and Charter Oak XL the power to stand firm—even against Category 5 hurricane-force winds.



With a rich palette of colors—from Antique Parchment to Harbor Blue—Charter Oak makes it easy to elevate your home’s curb appeal and complement any architectural style with lasting beauty.