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CM-1144 Crown Molding

6⅜" Breadth x 94½" Length
Best for 10' - 12' ceilings
  • Quantity

    Per PieceThat's Only
  • 6-24

    $34.65$4.40 / foot
  • 25-49

    $32.95$4.18 / foot
  • 50-99

    $31.90$4.05 / foot
  • 100+

    $31.20$3.96 / foot
  • Quantity
    6 minimum Need less?
6 pieces = $207.90 / 47 linear feet
  • Order a 10" Sample ($3.00)

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  • TypeMolding

  • Breadth6-3/8"

  • StyleCove

  • ColorWhite Primer

  • MaterialPolyurethane

  • Ceiling Height10' - 12'

  • Height4-5/8"

  • Width4-3/8"

  • Length94-1/2"

  • Print/DownloadProduct Spec Sheet


  • Product Video Placeholder Image
    Product Video
  • Product Video
    How To Install Crown Molding
  • Product Video
    5 Tips for Finishing Crown
  • Product Video
    What is Architectural Polyurethane?

Product Description

Quick Facts

  • Made from dense durable Polyurethane
  • Lasts a lifetime
  • Mold and mildew resistant
  • Lightweight and easy to install
  • Safe to install indoors or out
  • Exquisite detail and design consistency
  • Won't crack or splinter like wood or hard plastic

CM-1144 Crown Molding is a cove, 6-3/8" breadth crown molding typically used in rooms with ceiling heights of 10' - 12'.

uDecor crown molding is manufactured with a dense architectural polyurethane compound (not Styrofoam). Polyurethane is durable and 100% waterproof. The material can be sanded to shape just like wood.

A major advantage of polyurethane is that it is safe to install in rooms with the presence of moisture like bathrooms and kitchens. This product will not encourage the growth of mold or mildew.

This molding is delivered pre-primed for most paints. Always test your paint on a small section to make sure there are no compatibility issues with the paint and primer. Most home latex paints work great on our molding.

Read the DIY Pro Tips section about using adhesive when installing.

  • Breadth - the distance between the outer contact point with the ceiling to the bottom contact point with the wall.
  • Height - the distance between the ceiling and the bottom contact point with the wall.
  • Width - the distance between the wall and outer contact point with the ceiling. The breadth is the hypotenuse of the right triangle whose legs are the width and the height.

Our crown molding installation video, walks you step-by-step through a full installation, including how to measure for crown molding, with plenty of tips on how to make your project look amazing. Below are some of the key things to remember.

Use Adhesive for a Lasting, Seamless Finish
Apply a small bead of adhesive along the length of the molding on the back where it contacts the wall and the ceiling (watch). Finish nails help secure the molding while the adhesive sets. Most importantly, apply adhesive between any molding being joined end-to-end.  You will need 1 tube of adhesive for about every 6 pieces of molding. Loctite’s PowerGrab or PL Premium work well in most applications.

The Final Piece
Cut the last piece you install on each wall just a little long. 1/16 to 1/8 of an inch is usually enough to allow you to snap that piece in place, making sure all your joints stay nice and tight. This is easiest to do when you leave the last two feet of the previous piece unnailed (watch).

Our moldings do not need to be primed. Plus, since polyurethane does not absorb moisture, paints that are self-priming or a Paint & Primer in One may not dry properly. Standard latex paint is less expensive and will give you the best result.

Be Mindful of Temperature Effects
All materials expand and contract with changes in temperature. For best results, when installing on a hot day, keep the molding inside until you are ready to make your cut.

25 Year Limited Warranty

You're making a beautiful upgrade to your home and we're here to help protect that investment. We guarantee that your polyurethane millwork will be free from manufacturing defects for twenty-five years from the original date of purchase.

Warranty Conditions and Limitations

This warranty covers material defects in our polyurethane products when used in standard applications where temperatures do not exceed 150°F. It does not cover labor, consequential or incidental damages. This warranty is not transferable and applies to the original purchaser only.

  • Polyurethane products are for decorative uses only.
  • Polyurethane products need a finish coat of paint during installation; it is the purchaser's responsibility to make sure their paint works well with the product (test and let dry on a small piece first).
  • Before installation, allow your polyurethane product to acclimate to room temperature for 15 minutes.
  • All polyurethane moldings must be installed with tight fitting joints (see installation instructions) as well as adhesive between the joints to prevent seams from expanding during changes in season.

We're Ready to Help

Unlike a car, not much can go wrong with a polyurethane product since polyurethane doesn't absorb moisture and won't be affected by insects. However, in the rare event that you do encounter a defect with your product, we're here and ready to help. Just give us a call and we'll work with you to identify the problem and, in case of defect, supply you with replacements.


At, we know that projects take a while, and sometimes plans change. To start a return, please call us at 1-877-550-0600 or email; we'll be happy to assist you!
  • 90 day return window with no restocking fees
  • Products must be unused/new and in their original boxes
  • Customer is responsible for return shipping cost (we are happy to help arrange shipping)
  • Partial returns where the quantity discount tier would change are refunded the difference between the original total and the total based on the kept quantity (see example)



4.9 out of 5 stars
5 star
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Ben Boynton J.New York, NYSeptember 22, 2023

5 out of 5

Great Product/Great Service

uDecor always communicate effectively and provide great product and great customer service

Regina P.Saint Augustine, FLApril 25, 2023

5 out of 5

GREAT customer service

Jason was awesome. Product is high quality, ships fast, and looks great! Highly recommended

Richard H.Fort Myers, FLFebruary 3, 2022

5 out of 5

Beautiful results!

I selected the UDecor Crown Molding to install myself in my home. The order process was easy, delivery fast and smooth, the product is easy to work with (cutting and installing), and it looks terrific adding value and a touch of class to my home. I look for value in all my purchases and uDecor's crown molding met my every expectation. Rick - Fort Myers Florida

Ken W.Newark, DEJanuary 21, 2022

5 out of 5

Great products..great service

brings back memories of business... when it was done right the first time

Bruce P.Carol Stream, ILJanuary 11, 2022

5 out of 5

Great company to work with

Product was easy to install, fast delivery and great support. I will be using them again for my next project.

Alessandro P.South Bend, INJune 11, 2021

5 out of 5

we loved it

very nice design, excellent price, and super fast, free delivery. Thanks!

Tammy P.Las Vegas, NVApril 7, 2021

5 out of 5

This crown makes me look like a queen

I put up this molding in my entry hall and it looks absolutely fantastic. Easy to install. I'm the envy of everyone in my kingdom.

Sean I.Lakeland, FLApril 7, 2021

5 out of 5

Outstanding Product

The CM-1D crown molding was a great addition to our home. The product was very easy to cut and install.

Fritz E.Leominster, MAOctober 26, 2020

5 out of 5

Looks great! Easy to work with.

This is the second room that I have used the product in. Old mill building, 12' ceilings, sound insulation, 2-layers of drywall, green glue, coffered. I used the method of creating the corners 2' on each leg or so, glue them... goes up quickly when working with straight cuts. Product is consistent. Easy to paint. I will use the same it on the next room I update. Have fun, cheers!

Melissa W.Ferndale, NYSeptember 17, 2020

5 out of 5

Mark C.Metamora, MIMay 3, 2019

5 out of 5


would buy here again

Rod C.Indio, CAMarch 20, 2019

4 out of 5

Project took time but came out great

Received product (CM-1D) in good condition. 9 of the 26 pieces required some pinhole or small ding touch-up but it repaired, sanded and painted fine. New home construction walls were very uneven causing many issues since the molding easily contours to the surface. I ended up making a line on the ceiling to create a straight line and attached to ceiling only first. Then I nailed to the walls only were there was no gap. Lots of fill and repaint after but came out nice. Cuts easily. Love the lightness of the product as its easy for one person to hang although the 8 foot spans create lots of joints. Would use again

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James B.Washington, DCSeptember 1, 2018

5 out of 5

Good product

Looks great and very cost effective.

Samuel P.Mount Pleasant, SCFebruary 3, 2018

5 out of 5

Great product

Product was as advertised, easy to work with, easy to paint. Just like working with wood at a fraction of the cost.

Gordon H.Atlanta, GANovember 14, 2016

5 out of 5

As promised

second order, both were delivered on time and in good condition. crown molding looks great.

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