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CM-1079 Crown Molding

8¼" Breadth x 94½" Length
Best for 11' - 14' ceilings
  • Quantity

    Per PieceThat's Only
  • 6-24

    $39.95$5.07 / foot
  • 25-49

    $38.20$4.85 / foot
  • 50-99

    $36.95$4.69 / foot
  • 100+

    $36.20$4.60 / foot
  • Quantity
    6 minimum Need less?
6 pieces = $239.70 / 47 linear feet
  • Order a 10" Sample ($3.00)

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Shipping & Return Details


  • TypeMolding

  • Breadth8-1/4"

  • StylePlain

  • ColorWhite Primer

  • MaterialPolyurethane

  • Ceiling Height11' - 14'

  • Height5-3/8"

  • Width6-1/4"

  • 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-1079 Crown Molding is a plain, 8-1/4" breadth crown molding typically used in rooms with ceiling heights of 11' - 14'.

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
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Tony Z.Huntley, ILMarch 17, 2024

5 out of 5

Fast delivery - Product looks great!

The delivery so prompt! Order processed the same day and received following day. Each 8' long piece of molding was individually wrapped and not one of the 15 pieces was damaged at all. Product is extremely lightweight which makes cutting and hanging so much easier than cumbersome wood products. Will use this product again in the future for sure!

Mario M.West Park, FLOctober 25, 2023

5 out of 5


Excellent guidance... thanks!!

Ed V.Apopka, FLJuly 24, 2023

5 out of 5

Easy to work with.

The crown molding looks great!

Arthur B.Barnegat, NJMarch 29, 2023

4 out of 5

Easy to work with, looks really good

Everyone loves the way it looks

Stan P.Colleyville, TXOctober 4, 2021

5 out of 5

Great product

My wife and I are doing a big remodel. Our trim carpenter hadn't used this product before, but he was quite impressed. The large size crown was able to go over the existing without removing it, and the finished installation looks great. It is more consistent in shape than wood, it paints very nicely and is easier to handle than wood.

Kim A.Longville, LAAugust 18, 2021

5 out of 5

Excellent product and customer service

Crown molding is beautiful, ship super fast snd packaged very well. I didn't notice the material it's made from and my contractors were unaware how to use it and wasted a lot. Otherwise, the actual product and Udecor are excellent, my contractors are a different story lol

Ava R.Houston, TXMay 22, 2021

5 out of 5

Very Pleased

My home had been upgraded thanks to udecor. The crown molding was an excellent choice for my sunroom. UDecor customer service is the best. They are efficient, polite and very kind and accommodating. I love how they really want to help the customer. I will keep coming back to them,

Aixa P.Peachtree Cor, GAApril 21, 2021

5 out of 5

Looks great!!!

It is fantastic

Ronald B.Hollister, CAApril 19, 2021

5 out of 5


The molding when painted with semi-gloss (2 coats) enhanced the rooms. Our friends love the design we picked.

Camilo D.Memphis, TNAugust 23, 2019

5 out of 5

Looks great

Good product

Jennifer H.St Louis, MOAugust 2, 2018

5 out of 5

Looks great!

Great product and looks awesome!

William K.Buckeye, AZDecember 6, 2017

5 out of 5

Great company, fast delivery

Order arrived fast and was properly packaged to avoid damage, versatisisfied with product

Ross D.Eloy, AZNovember 21, 2017

5 out of 5

Foam molding

I won't use wood again.

Sharon P.Covington, KYAugust 29, 2017

5 out of 5


Beautiful large crown and so easy to work with.

Sharon P.Covington, KYJune 14, 2017

5 out of 5

Gorgeous Molding

Beautiful - gives the rich appearance of wood. So easy to work with - we will use this is other rooms.

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