CHARTER OAK®
CHARTER OAK®:
EXCLUSIVE TRIBEAM™
Looking for durability that spans the generations? You’ve come to the right place.
Charter Oak® is Castlerock’s flagship siding product, combining authentic wood beauty with unmatched durability, performance and maintenance freedom. Castlerock’s exclusive TriBeam™ Design gives Charter Oak superior rigidity, while a double-thick nail hem enables it to withstand high winds. Charter Oak has been independently tested to resist Category 5 hurricane-force winds.
The Charter Oak family of products are available in 14 of today’s most popular colors, plus 6 deeper, richer colors from our exclusive Architectural Color Collection.
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