Enhance Your Home with
Royal Trim & Mouldings

Durable, Distinctive, and Designed for Effortless Beauty

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Built to Outlast

Made from lifetime never-rot material, Royal® Trim & Mouldings resist moisture, termites, and mildew—delivering lasting performance with minimal maintenance.
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Detail Where It Counts

From crown moulding to base caps, every profile is designed to enhance curb appeal and add depth, drama, and visual interest to any architectural style.
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Versatile by Design

With moulding options for walls, ceilings, windows, and railings, these components adapt to nearly every exterior detail—from sleek modern lines to charming traditional accents.
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Easy to Install, Easy to Love

Designed with clean edges and a smooth finish, our interior and exterior trim products facilitate cleaner and quicker installations, saving you time and effort.

Our Featured Product Lines— Trim Solutions for Every Style

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Interior Trim & Mouldings

Discover our extensive selection of interior trim and mouldings options, including crown mouldings, casings, baseboards, and wainscoting, all crafted to enhance your home's interior aesthetics.

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Haven Insulated Siding on Home

Exterior Trim & Mouldings

Explore our durable exterior trim and mouldings solutions, such as S4S Trimboard™, decorative mouldings, and column wraps, designed to withstand the elements while adding curb appeal.

 

 

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Get Inspired

a house using Royal Trim & Mouldings

Ready to bring your vision to life? Whether you’re starting from scratch or just need a little extra inspiration, Westlake Royal Building Products has everything you need to spark creativity and make your dream home a reality.

Get Inspired

See It to Believe It

white front porch with siding

Explore a curated collection of standout exteriors featuring Royal® Trim and Mouldings. From classic charm to modern edge, see how real homes use our products to elevate curb appeal with lasting style and versatility.

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Design Your Dream Home

front porch of home with stone accents

Use our easy-to-use design tools to experiment with different colors and styles. Mix and match to see what works best for your home—your perfect exterior is just a few clicks away.

Explore our Design Tool

Find a Dealer

If you're a professional, discover authorized dealers in your area to get the best selection and expert advice on Royal® Trim & Mouldings products. Start your project with confidence—find a dealer today!
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See the Style. Feel the Difference.

Bring your vision to life with a free sample from Royal® Trim & Mouldings.
Order a Sample

Get in Touch

Have questions? Ready to bring your vision to life? Our team is here to help you find the perfect trim and mouldings solution for your next project. Reach out and let’s get started.
Get in Touch