Undersill/Finish Trim Matte Riverway 12 ft. 6 in.

Royal Siding, Trims, Mouldings, and accessories are built to last.

Made from lifetime never-rot material, Royal Trim, Posts, and Mouldings resist moisture, termites, and mildew.

They deliver last performance with minimal maintenance.

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

These components adapt to nearly every exterior detail - from sleek modern lines to charming traditional accents.

Designed with clean edges and a smooth finish, all siding products and accessories facilitate cleaner and quicker installations, saving you time and effort.