Reinforced Premium Vinyl Siding

Charter Oak Siding
Charter Oak® is our flagship vinyl siding product, combining authentic wood beauty with unmatched durability, performance and maintenance freedom.  

.046″ premium panel thickness (nominal).

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

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

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

Color Palette


Please request actual color samples. 

One big advantage to choosing KSI for your metal roofing is that we stock a wide variety of colors in-house. This allows us to fulfill your order much more quickly than other suppliers. See color chart to check out all the options we have ready in inventory.


Vinyl & Insulate Siding Color Palette


Vinyl & Insulate Siding Premium Color Palette

Products and colors may be slightly different from their appearance on this site due to a variance in monitor calibrations. Make final color selections using actual product samples. Not all products are offered in all colors and in all markets; see your sales representative for details. All specifications and designs subject to change without notice.



Manufacturers warranties are available upon request on all of our siding products.  We will guide you to the right forms and explain the warranty paperwork process.  Just ask for assistance!

Charter Oak Warranty +


 Please contact us for current availability and actual composite samples!

 Contact Us +

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