Charter Oak® Reinforced Premium Vinyl Siding Changed the Industry

Looking for durability that spans the generations? You’ve come to the right place.

Charter Oak® is Alside’s flagship vinyl siding product, combining authentic wood beauty with unmatched durability, performance and maintenance freedom. Alside’s exclusive TriBeam® Design gives Charter Oak and Charter Oak XL superior rigidity, while a double-thick nail hem enables it to withstand Category 5 hurricane-force winds. 

From Antique Parchment to Harbor Blue, the Charter Oak color palette makes it simple to keep your home looking gorgeous – whatever your architectural style.

Beautiful Aesthetic

.046″ premium panel thickness (nominal).

Innovative Design

Exclusive TriBeam® design gives Charter Oak superior strength, up to five times more rigid than the competition.


Rollover nail hem gives Charter Oak its superior ability to resist the force of extreme winds.

Superior Stength

Charter Oak siding has been independently tested to withstand Category 5 hurricane-force winds.

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