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  • CM-1085 Crown Molding with MC-4164 Corner Block

CM-1085 Crown Molding

3⅛" Breadth x 94½" Length
Best for 8' - 9' ceilings
List Price:$13.99Save up to $4.74 per piece!
  • Quantity

    Per PieceThat's Only
  • 6-24

    $10.25$1.30 / foot
  • 25-49

    $9.75$1.24 / foot
  • 50-99

    $9.45$1.20 / foot
  • 100+

    $9.25$1.17 / foot
  • Quantity
    47 feet
Minimum order is 6 pieces Need to order less?

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Shipping & Return Details
  • Order a 10" Sample ($3.00)


  • TypeMolding

  • Breadth3-1/8"

  • StyleRope

  • ColorWhite Primer

  • MaterialPolyurethane

  • Ceiling Height8' - 9'

  • Height2-1/4"

  • Width2-1/4"

  • 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-1085 Crown Molding is a Rope, 3-1/8" breadth crown molding typically used in rooms with ceiling heights of 8' - 9'.

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.

Installation is simplified with the use of modern adhesives. Small finish nails are used to secure the molding while the adhesives set. See below for installation instructions.

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.

  • 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.

When planning for crown molding, inspect the walls and ceiling to see if any vents or other objects are within the footprint of the molding. Consider mitered returns at the ends of any molding runs that may be interrupted by these items. Allow 48 hours for the molding to acclimatize to the conditions where it will be installed.

It is easier to paint the molding before installation. Working at waist level is always better than working over your head. Paint your molding before you start the installation process. Then touch up the imperfections after you are done with the install.

ALWAYS test a section with your paint of choice before committing to painting all of your molding. Paint formulations change all the time and you want to be sure there is no adverse interaction between your paint and the primer on the molding.

Joining Pieces-
Always use an appropriate amount of adhesive on the end of any of the molding being joined end to end. This prevents the molding from separating as the house walls expand and contract with temperature changes.

Last Piece on a Wall-
For a tight fit and seams, cut the last piece that is going to be on a 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.

Lining Up The Pieces-
When two pieces of molding are being joined together in a run (end to end) leave the last two feet of the open end of the installed molding loose so you can have some alignment room when you join the next piece.

Finishing The Job-
Use Spackle to fill in nail holes and painters caulk on the edges between the molding and the wall and ceiling. Touch up these areas with paint.


uDecor, Inc. provides a LIMITED LIFETIME WARRANTY to the original purchaser of our polyurethane products. This LIMITED LIFETIME WARRANTY provides that the polyurethane material will be free from manufacturer defects in material and workmanship under normal and expected use. This warranty does not encompass all of the products sold by uDecor, Inc. and is exclusive to our polyurethane products only. Other products may carry their own manufactures warranty. Call us at 1-877-550-0600 for details.

uDecor, Inc. provides a LIMITED 5 YEAR WARRANTY to the original purchaser on the FINISH of our polyurethane products. This LIMITED WARRANTY provides that the FINISH on the polyurethane material will be free from finishing defects under normal and expected use for a period of five (5) years from the date of purchase. This warranty does not cover failure of a customer applied finishing system caused by material incompatibility.

  • Polyurethane products are for decorative use only
  • Primered products must be finished with an additional layer of finish paint. User is responsible to ensuring that the chosen finishing system is compatible with the primer/material.
  • Should be installed with non-corrosive fasteners and urethane approved adhesives in accordance with the installation instructions
  • Unprimed areas should not be exposed to UV light (sunlight)
  • Polyurethane products should not be installed in areas that experience ambient or surface temperatures above 140 degrees fahrenheit
  • Polyurethane products should be stored flat in normal ambient temperatures

If the material proves to be defective and has been installed and existed within the bounds of the above requirements, the customer should contact uDecor, Inc. in writing or by phone within 30 days of discovering the material defect. uDecor, Inc. may require digital images, a sample of the material or a combination of material and images to be sent to uDecor, Inc. for evaluation. Upon review of materials and installation methods, uDecor, Inc. will determine if replacement, repair or refund is appropriate. uDecor, Inc. is not liable for the cost of labor, transportation, or any other expenses incurred in conjunction with the purchase, use and installation of the material.

This limited warranty does not cover damage from the result of mishandling in transportation, acts of God, customer modifications, vandalism, misuse, abuse, improper maintenance, unreasonable care, or other causes that did not arise from manufacturer defects in workmanship and/or materials. No person or entity is authorized to change, modify, or amend the terms of this limited warranty in any manner.

This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. This warranty applies to our polyurethane based materials only.

Contact: uDecor, Inc. • 2510 Stanley Gault Parkway • Louisville, KY. 40223 • 877-550-0600 •


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
  • 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)
Allow 48 hours for the molding to acclimatize to the conditions where it will be installed

For more how to videos, visit our DIY learning center



4.9 out of 5 stars
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Esayas W.Chicago, ILNovember 3, 2020

5 out of 5

Best item more than expected

Our room looks amazing. No experience needed . perfect for DIY project ,I installed it without any problem. Very easy to cut and glue it. I haven't painted yet, the picture show you with its original color

Robert M.Archdale, NCJune 23, 2020

5 out of 5

Perfect fit

Easy to hang, great look

Daniel B.New Berlin, WIJune 5, 2020

5 out of 5

Repeat order of this product

I was so happy with this crown molding I ordered more to make a cornice and a couple shelves.

Eb T.Gainesville, VAMay 26, 2019

5 out of 5

Great service. Thank you!

Great service. Thank you!

Anthony J.Tampa, FLMarch 23, 2019

5 out of 5

Excellent product!

Glad I chose this crown molding. Shipped quickly and packaged very well. Cuts and handles easily. Everyone who sees it is very impressed. Will order additional for other projects.

Sandra Z.Tonawanda, NYFebruary 25, 2019

5 out of 5

Crown molding for my mid century home

The crown molding arrived quickly, is painted and ready to be installed. It will give my home a much richer look. The sample arrived in one day and helped me make my decision. The design is perfect for my mid century ranch.

Scott M.Sun Lakes, AZFebruary 6, 2019

5 out of 5


Everything exceeded my expectations

J E C.Brooklyn, NYNovember 24, 2018

5 out of 5

Great product

I am very satisfied with the quality of the product and the shipping was excellent. I will definitely recommend this company for their products.

Roberta M.Eureka, CASeptember 2, 2018

5 out of 5

We love it!

This was the finishing touch our living room needed. It was turned a regular space into something classy. Looking to finish the rest of the house with the same crown molding.

Jan B.Arvada, COAugust 25, 2018

5 out of 5

So easy to install, videos very helpfull

Looks great, very easy to install. Looks so good I'm thinking of doing all the bedrooms.

Blain Y.Deer Park, TXJune 4, 2018

5 out of 5

Quick service

Quality products at a good price

Alan L.Conway, SCOctober 20, 2017

5 out of 5


Looks great, reminds me of houses up north. So glad I did this.

Saeed G.Jacksonville, FLAugust 25, 2017

5 out of 5

Is nice molding

Is very good looking and is better than wood is flexible and easy to install

Richard B.Staunton, VAAugust 8, 2017

4 out of 5

looks great

The product is very is to work with . I've recommend it to several family and friends already we will be getting more when we redo the spare bedroom'

Ralph Z.Howell, MIAugust 2, 2017

5 out of 5

Great looking Molding

Looks great , I'm doing all my rooms

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