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  • Front dentil crown molding
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CM-1098 Crown Molding

4¾" Breadth x 94½" Length
Best for 8' - 9" ceilings
  • Quantity

    Per PieceThat's Only
  • 6-24

    $22.85$2.90 / foot
  • 25-49

    $21.75$2.76 / foot
  • 50-99

    $21.05$2.67 / foot
  • 100+

    $20.60$2.62 / foot
  • Quantity
    6 minimum Need less?
6 pieces = $137.10 / 47 linear feet
  • Order a 10" Sample ($3.00)

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  • TypeMolding

  • Breadth4-3/4"

  • StyleDentil

  • ColorWhite Primer

  • MaterialPolyurethane

  • Ceiling Height8' - 9"

  • Height3-1/2"

  • Width3-1/2"

  • 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-1098 Crown Molding is a dentil, 4-3/4" 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.

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)



4.8 out of 5 stars
5 star
4 star
3 star
2 star
1 star

Timothy C.Manchester, NHJuly 18, 2023

5 out of 5

Great service

I order crown mounding and it was delivered a few days later. Just awesome service.

Tanya L.Houston, TXJuly 14, 2023

5 out of 5

Unbeatable product. Outstanding customer service.

I have placed several orders in the past 2 years. Always exactly as described. Excellent quality. But the customer service is what puts over the top. Highly recommend

Raj D.Commack, NYFebruary 24, 2023

5 out of 5

Real hassle free shopping and delivered right to your door.

This is the way shopping should be. Superior Product, free, fast delivery, all without even dialing a phone number. Extremely satisfied.

Ed B.Asheville, NCJuly 14, 2022

5 out of 5

Dental crown looks great

Cm1099 crown molding has dental detailing and coordinates great in a hall adjacent to a room with 10' ceilings that has custom built large crown.

Carole L.Austin, TXJuly 28, 2020

5 out of 5

Love it!

This product is high quality and easy to install. I love this site!

Richard Z.Buckeye, AZApril 11, 2019

5 out of 5

Looks Great

Friends like the look; room really stands out.

William C.Marshfield, MOMay 17, 2018

5 out of 5

Looks great

Excellent as advertised and I recommend the product , company and quick delivery too.

Rachel H.Marquette, MIFebruary 26, 2018

4 out of 5


This crown is pretty but we are not able to use it as it is smaller than what we need. We are saving it and will for sure use it somewhere else. We have 10 foot ceilings and it just wasn't big enough for that space.

Morgon S.Baltimore, MDAugust 26, 2017

4 out of 5


One of the panels arrived broken

We apologize for the inconvenience the broken panel causes to your project! Your satisfaction is our goal, so one of our representatives will be in contact with you shortly to assist with a resolution for the damage. We look forward to speaking with you then.

Brent B.Centreville, VAMarch 9, 2017

5 out of 5

repeat customer very happy with the product

This is the second time I have ordered this crown molding. It looks great and goes up very easy.

Ed K.Greencastle, PASeptember 30, 2016

5 out of 5

Great Product

Easy to work with, light weight anyone with basic carpentry skills can install this. Best to spray paint as painting with a brush is very time consuming.

Juana H.Evergreen Park, ILJanuary 23, 2016

5 out of 5

I love it!!!!

This crown was so easy to cut and install. It looks amazing. Also shipping was lightning fast.

Sheryl S.Princeton, WVNovember 11, 2014

5 out of 5


Very satisfied with the dentil crown molding. It arrived very quickly and was easy to install. Would definitely recommend to anyone!