PVC Products

📽 Sea Cove Cottage Restoration Featuring Royal PVC Trim:

Royal® S4S Trim Boards


Royal® Building Products’ S4S Trimboard™  is available in three standard thicknesses and an industry-leading eight standard widths. The Pro Plug® System for PVC hides screw heads to ensure a clean, attractive appearance.

  • Finishes available in SmoothSmooth/Woodgrain Reversible
  • Premium Celuka hard skin trimboard
  • True Square – stay clean edges
  • Standard lengths 18′ to 20′
  • Ready to install
  • Paintable
  • Available in Tough Pack®
  • 100% cellular PVC
  • Lifetime never rot warranty


Starborn’s Pro Plug System for PVC


Royal® SurEdge™ Trimboards


SurEdge™ Trimboards come with a protective film that you can remove after installation to keep the trimboard clean. SurEdge Trimboard is available in two finishes: Smooth or Woodgrain.

  • Sealed square edge for seamless install
  • True 90-degree corners
  • Standard lengths 12′, 18′, & 20′
  • Reversible
  • Available in Tough Pack®
  • Highly millable, free foam product
  • 100% cellular PVC
  • Limited lifetime warranty


(Same widths & thicknesses as S4S above)

Royal® Conceal™ Trim System


Royal® Building Products’ Conceal™ Trim System complements every kind of Royal siding and exterior material. This PVC moulding was created with pros in mind, who appreciate clean installs and architectural appeal. It will reward homeowners who value long-lasting design statements that come with very little maintenance.


  • Conceal Outside Corners
    • Smooth or Woodgrain
  • Conceal J-Channel Trim & Window Surrounds
    • Smooth or Woodgrain
  • Conceal Skirt Boards & Water Tables
    • Smooth or Woodgrain
  • Conceal Water Tables
    • Smooth
  • Conceal T-Moulds 
    • Smooth or Woodgrain

Royal® Sheet Board


  • Truly customizable to make a project your own
  • Mills and miters cleanly with standard tools
  • Available in 4′ x 8′ to 4′ x 20′ sheets
  • Standard lengths 8′, 12′, 18′, & 20′


Royal® Prefinished Trim


Royal® Prefinished Trim never met an exterior or home style it couldn’t elevate. It combines the curb appeal of real wood that homeowners love with the virtually maintenance-free properties of 100% cellular PVC moulding. Plus, its Kynar® protective coating is applied at the factory, keeping its broad selection of 15 colors true year after year, in all kinds of weather.



Royal® Exterior Mouldings

Not only do Royal® Decorative Mouldings ramp up curb appeal, they significantly cut down the time and money spent on painting and maintaining.

  • 100% cellular PVC
  • Moisture and termite proof
  • Mold and mildew resistant
  • Lifetime Never Rot Warranty
  • Superior nailing and gluing
  • High energy efficiency
  • Ready to install

Create the right look with a wide array of decorative moulding styles from traditional to contemporary, giving you virtually unlimited flexibility to complement, embellish, and transform exterior design.

🔎 Explore the Profiles Here » »


📽 Trim Elements Cellular PVC Window Surrounds Part 1:

📽 Trim Elements Cellular PVC Window Surrounds Part 2:

Pictured in ‘Craftsman’ Style

Pictured in ‘Tapered Column’ Style

Royal® Column Wraps

Royal® Column Wraps are available in a wide array of trim lengths, widths, profiles, and styles. This gives you virtually unlimited flexibility to complement, embellish, even transform exterior design. Keep it architecturally correct and match trim to what’s true for each region. Tap into traditional and more extroverted decorative looks. They’re virtually maintenance free and are easy to install with standard tools. And additional peace of mind comes in the form of a Limited 25-Year Warranty.

📽 Royal Building Products Column Wraps, Caps, and Bases:

📽 Royal Building Products Tapered Column Installation:


Contractor, Traditional, and Craftsman Series

  • 4×4, 6×6, 8×8, 12×12
  • 8’6″, 10′, & 12′ lengths

Tapered Column Wrap

  • 10×6, 12×8, 16×12 dimensions
  • 5′ and 6′ lengths

Royal® Spec Series™ Trim 

Royal® Spec Series Trim is a great match for Celect, but also stylistically suited to a variety of vinyl siding, even fiber cement. It’s made of lighter material, it cuts easily and installs in one simple step. Components are available in outside corner post, inside corner post and wide-faced trim.

Royal’s new accessories bring anew dimension to your choice of trim packages. Spec Series accessories deliver the following attributes:

  • 5/8″ board-like appearance
  • 2″ deep pocket
  • 3/4″ pocket width
  • No need to fur out the outside corner
  • Quicker one-step method

📽 Royal Building Products Spec Series Trim:


Spec Series Colors

  • Snow – similar to Celect Frost
  • Taupe – similar to Celect Willow
  • Pebble Clay – Similar to Celect Latte
  • Flint – similar to Celect River Rock
  • Ironstone – similar to Celect Wrought Iron

📽 Celect Trim Installation Basics:

📽 Celect Conventional Shake Installation:

📽 Celect Board & Batten Installation:

Royal® Celect® Siding

Celect® Cellular Exteriors by Royal® exudes seamless beauty, weather defiance, maintenance freedom, and unlimited home design possibilities. It comes ready to install with smooth four-side true square edges with a full paintable PVC finished resin coating.


  • Patented interlocking joint system
  • Gravity lock design
  • Kynar Aquatec® coating
  • Lap Siding in 5” and 7”
  • Board & Batten
  • Trim and Moulding
  • 7″ Shakes – NEW!


📽 Celect Canvas Cellular Siding:

Celect® Canvas

Celect® Canvas Cellular Siding by Royal® is unpainted, which means you can customize its gorgeous, long-lasting looks with your choice of thousands of exterior vinyl-safe shades. You get the same expertly engineered, low maintenance and durable benefits of Celect Cellular Composite Siding, with even more design flexibility. Royal recommends reputable exterior paint manufacturers such as Benjamin Moore, Sherwin-Williams, and PPG.


  • Patented interlocking joints keep moisture out and almost completely eliminates seams — boards stay straight and true as your home expands and contracts
  • Engineered from durable, low-maintenance cellular composite material
  • Four distinct styles:
    • 5″ and 7″ Lap Siding (aka Clapboard)
    • Shake (needs to be painted before installing)
    • Board & Batten