Balustrade Systems

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Royal Corinthian manufactures 3 structural balustrade systems made from composite materials that will last for generations. Our balustrades, which are comprised of balusters or spindles, top/bottom rails, newel posts and caps, decorative finials, and installation hardware, are available in RoyalCast™ composite fiberglass, RoyalStone™ polymer stone, and RoyalThane high density polyurethane. Each of our systems has been independently tested by engineering firms and exceeds commercial and residential building code requirements for a structural balustrade. All of our balustrade systems are lightweight systems when compared to natural stone but some are significantly lighter than others. We are the only manufacturer that offers all 3 materials in the same styles so the same project can use our RoyalStone balustrades on the front porch and our lightweight polyurethane system on a rooftop that has weight restrictions. If you want to know more about each of the 3 materials, look at the comparison chart below. If you already know which product you are looking for, click on the appropriate product.

Balustrade Materials Comparison Chart

RoyalCast™ Fiberglass RoyalStone™ Synthetic Stone RoyalThane™ Polyurethane
Best Application Paintable, rubust, structural Prefinished, robust, structural Paintable, lightweight, structural
Factory Finish (standard) Paint-grade Gray 6 colors, 3 textures Paint-grade primed white
Factory Finish (options) Paint-grade only Unlimited custom colors Paint-grade only
Price Comparison $ $$ $
On-site Prep Work Sand, predrill, prime, and paint Predrill Predrill and paint
Styles All All All
System Widths Up to 10" Up to 10" Up to 12"
System Heights Up to 51" Up to 51" Up to 51"
Longest Rail Span Up to 20' Up to 20' Up to 12'
Weight (per lineal foot) *20 to 100 lbs *20 to 100 lbs 5 to 40 lbs
Warranty Limited Lifetime Limited Lifetime Limited Lifetime
Advantages Structural and versatile Prefinished and structural Lightweight and structural
Structural Yes Yes Yes
Customizable yes yes yes
Fiberglass content 1-3% None, unless requested None
Filler Calcium Carbonate/ATH/Prolite Calcium Carbonate/ATH/Prolite None
Fire Rating Available: Class A Available: Class A Available: Class A
LEED Points Available Available Available

*RoyalCast and RoyalStone Balustrade systems can be made half the normal weight while maintaining the same wall thickness using Prolite, a lightweight filler.

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