Royal Building Products 11/16-in x 1-1/8-in x 8-ft Colonial Finished PVC 164 Base cap Moulding

Name: Royal Building Products 11/16-in x 1-1/8-in x 8-ft Colonial Finished PVC 164 Base cap Moulding
Brand: Royal Building Products
SKU: 1000443113
Rating: 4.8 (209 reviews)

4.8

209

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Royal 100% cellular PVC mouldings do way more than decorate. They insulate, protect, and turn front porches into a center of neighborhood activity. They ramp up the curb appeal of any window, eave, or doorway. Whether in a bathroom, basement, or garage, a stylish worry-free alternative to wood anywhere moisture is a concern inside your home. The decision to install Royal PVC moulding is easy. Knot and defect free means no waste. Your or your contractors save time and labor because they come ready to install. Used in your home or out, the lifetime never rot, moisture and termite proof material will give you peace of mind for as long as you are in your home. Your summer weekends are saved from painting and maintenance.

Royal WM164 profile base cap moulding is manufactured in the USA from 100% white PVC, rot free and resistant to moisture and insect damage
Finished white surface is ready to be installed or can be painted the color of your choice with 100% acrylic latex paint, even dark colors(consult installation guide for specifics)
Each piece has dimensions of 11/16-in thick x 1-1/8-in tall x 8-ft long
Use Royal PVC base cap moulding on top of baseboard trim to create a layered, "built-up" moulding profile or use it as a picture fram moulding profile
Limited lifetime warranty provides peace of mind, low maintenance and worry free, does not promote mold or mildew growth
Use with Royal’s full line of moulding, trim, and boards to complete your project
Saves time and labor with superior nailing and gluing, consistent PVC substrate reduces waste with no knots or defects, will not split or crack
Cuts and installs using common woodworking and power tools, use weather resistant fasteners (stainless steel or hot dipped galvanized) when installing in applications where there will be exposure to moisture, use clear PVC adhesive in miter and scarf joints
Suitable for exterior and interior applications, can install direct to grade or masonry

General
Joint Type	Solid	Finish	Finished
Package Quantity	1	Style	Colonial
Manufacturer Color/Finish	White	Pattern Number	164
Edge Profile	Square	Color/Finish Family	White
Type	Base cap	Stain Grade	No
Use Location	Interior/Exterior	Paint Grade	Yes
Material	PVC	Installation Type	Finishing nails or brad nails

Dimensions
Actual Thickness (Inches)	0.6875	Height Measurement	1-1/8-in
Actual Height (Inches)	1.12	Thickness Measurement	11/16-in
Actual Length (Feet)	8	Length Measurement	8-ft

Features
Rot Resistant	Yes	Flexible	No
Moisture Resistant	Yes	Pro Package	No
Can be Cut	Yes	Finger-Joint	No
Termite Resistant	Yes	Paintable/Stainable	Paintable

Certifications
CA Residents: Prop 65 Warning(s)	No

Warranty
Warranty	Limited lifetime

Miscellaneous
UNSPSC	30161900

Check out the Best Selling Baseboard Moulding on Lowes.com

Review

4.8 out of 5

209 Reviews

96% Recommend this product

Ratings may include incentivized customer reviews.

Read All Reviews

+ 12

What Customers Are Saying

Customers overwhelmingly praise this PVC moulding for its premium appearance, ease of installation, and durability. Most highlight its ready-to-use finish, smooth surface, and versatility for interior and exterior use without painting or repairs. Reviewers consistently note it cuts smoothly, nails easily, and arrives pre-finished in white, eliminating painting needs. Many value its resistance to rot, cracking, and weather damage, with the waterproof nature especially appreciated for outdoor applications. The material also paints well when needed. A few encountered minor issues like warping or primer adhesion, but these represent a tiny fraction of feedback. Overall, customers strongly recommend this product for its professional appearance and long-term performance.

Customer review summary generated by AI, including incentivized reviews.

209 Customer Reviews

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Royal makes great mouldings

Would Recommend

Pre finished so no need to paint. Installed great and cut without issue.

HznbergSeptember 29, 2026
From 11_SLASH_16-in x 1-1_SLASH_8-in x 8-ft Colonial Finished PVC 164 Base cap Moulding

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Nice trim moulding

Would Recommend

I bought this trim moulding to finish off the wainscotting on a small wall in a bathroom. It was easy to cut and nail in place with a nail gun. It looks great after adding a coat of paint.

SuziSeptember 27, 2026
From 11_SLASH_16-in x 1-1_SLASH_8-in x 8-ft Colonial Finished PVC 164 Base cap Moulding Verified Purchaser