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CM-1020 Crown Molding

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  • Front Molding Rope Design
  • Side Crown Molding Rope
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  • Design Ideas Crown Molding
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Videos (3)
  • Product Video
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    How To Install Crown Molding
  • 5 Tips for Finishing Crown
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  • 50 -99 Pieces $11.75

  • 100 + Pieces $11.50

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  • TypeMolding

  • Breadth4-1/4"

  • StyleRope

  • ColorWhite Primer

  • MaterialPolyurethane

  • Ceiling Height8' - 9"

  • Height3"

  • Width3"

  • Length94-1/2"

  • Print/DownloadProduct Spec Sheet

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-1020 Crown Molding is a Rope, 4-1/4" 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.

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. • 8302 Espresso Drive, Suite 130 • Bakersfield, CA. 93312 • 877-550-0600 •

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


54 Reviews

4.9 out of 5 stars
94%5 Stars
2%4 Stars
2%3 Stars
0%2 Stars
2%1 Stars
5 out of 5

Yep, very nice

Adds a nice finishing touch

Other products reviewed on this order: BB-9776 Baseboard Molding
5 out of 5


Additional crown molding was used to frame a 10X4 wall photo. Looks so great!

1 out of 5

wast of Money!

Looks bad - wast of Money! 0 Star Thank you for your feedback! Were very sorry for your dissatisfaction with the molding and corners. We have tested these items to find that there is a difference in the profile of the corners and molding, but it is very slight and the caulking used during your install should be sufficient in covering the gap. We will be reaching out to assist and look forward to speaking with you soon!
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Other products reviewed on this order: MC-1020 Corners, MC-1020 Corners
3 out of 5

thickness varies from piece to piece

took a lot of work to make joints line up properly

5 out of 5

I love it Thank you

It is very beautiful .

5 out of 5

Wonderful appearance adds great look to the home.

Easy to install and work with. Never missed a cut using the directions shown in the videos. Installed every piece without anyone else. Light and simple to install and love the look it adds to the room.

Other products reviewed on this order: MC-1020 Corners, MC-1020 Corners
5 out of 5

Looks great, makes room really pop.

Added to both Master BR and LivingRoom.

5 out of 5

Good Molding Looks Great

This molding is a little tougher/more dense than other non-wood molding I have used. Fairly easy to put up with just one person, but a little cumbersome due to the length. Might be better if it was a couple of feet shorter. Nice that you only need a couple of nails for each piece, the rest adhered by caulk. Finished installation made the bedroom look much better.

5 out of 5

Beyond Great

beautiful was easy to transform a room to a beautiful detailed elegant space for a fraction of homedepot or lowes and delivery free to my door

5 out of 5

looks pretty good after installation

some of my friends visited my home after installation... they said awesome...its completely changed the look

5 out of 5

Looks great

Perfect. It is light and easy to handle and install. I had a 12 x 12 room finished in about 2 hours

Other products reviewed on this order: MC-1020 Corners
5 out of 5

Awesome crown molding!

uDecor's crown molding is a great product! It's well made, easy to work with, and looks beautiful! We're excited about the classy look it's given our home.

Other products reviewed on this order: MC-1020 Corners
5 out of 5

Looks Good

No issues with the molding. They came primed for paint and were in good condition. Easy to cut and handle.

Other products reviewed on this order: MC-1020 Corners
5 out of 5

we love the look

It makes the room look so much nicer more complete

5 out of 5

Has really transformed old 4 Square house

Wanted some way to upgrade interior that I could do myself. First,had only ordered enough for living and dining room. Fast forward 2 years and got around to installing. Uh yea. Got additional to pieces to match for office area. And everything matches just like I ordered it all a once. This is the easiest stuff to use along with corner blocks.(Not a mitering kind of guy) The castle's looking good. Really glad I found your company.

5 out of 5

Crown molding

We put things crown throughout our entire home and we love it. Got a whole new look.

Other products reviewed on this order: FM-7124 Flat Molding
5 out of 5

Product looked great.

Material arrived in a timely manner and was easy to handle.

5 out of 5

Lovely and easy to install

Beautiful pattern and so easy to install. No one ever guesses it's not made from wood.

Other products reviewed on this order: MC-1020 Corners
5 out of 5

Good product

good product, easy to paint, delivered quickly. slight differences in width, but overall good quality.

Other products reviewed on this order: OR-5775 Ornamental
5 out of 5

Easy to paint, looks great

I have an old Victorian house that has great high ceilings. I ordered the moulding and the ceiling ornament

5 out of 5

Super product, niice to work with

Great product, super fast shipping.

5 out of 5

Easy product to work with. Beautiful outcome.

Easiest crown installation I've ever done. Corners made it simple. Entire installation took less than 2 hours.

Other products reviewed on this order: MC-1020 Corners
5 out of 5

Better than we expected!!!

The picture of the molding on the web looked great but after it was installed it even looked better. We love it. It was in installed in our condo throughout the living, dining, kitchen, hallways, guest bedroom and bath. We had a professional carpenter install. Trimming all the corners which we had a lot took some expertise.

Other products reviewed on this order: CM-1027 Crown Molding
5 out of 5

Really highlights the room...BEAUTIFUL!

It frames the room beautifully. It is so stylish! Everyone comments on how beautiful it is! We are VERY pleased with it!

5 out of 5

Just What We Wanted

The product was perfect. It came on time and was exactly what we needed. I thought I was one section off and called to order. The order was placed and I found the lost piece in my garage. I called to cancel the order and was assisted by a most helpful person that was able to cancel the extra order. That's how to do business. Thank you.

5 out of 5

enhanced the appearance of our turret!!

the crown molding made the walls in the round turret pop, the minute you walk in it grabs and demands your attention ! love the product!

4 out of 5

Works extremely well

The urethane is great to work with on the ceilings. Takes paint well and is fairly easy to work with. Found that it is better to make 45 degree cuts rather than coping the joints. Pretty happy with the outcome. Would be much better if the products came in 16' lengths. That would be my only improvement. GREAT shipping response.

5 out of 5

Could Not Be More Satisfied

The product is as announced, easy to install (video tutorial very helpful), looks great, the order arrived as expected and it was properly packed. Will absolutely do business again. Best Regards, Felix Roman Pearland TX

5 out of 5

Lightweight, affordable and above all looks professional.

I first went to Lowes and Home Depot to price crown molding but the material they had was either wood or heavy plastic, so I looked online and found that udecor used a much lighter polyurethane material which is perfect if you're working alone. Ordering was easy and it tool only a few days to arrive, the prices were also cheaper than anywhere else I looked. I have since finished another two rooms in my home using udecor crown molding and everyone agrees that it looks fantastic.

5 out of 5


The product came in a few days, packaged well and in great condition. It was very easy for the contractor to work with the product and the end result looks great!

5 out of 5

Excellent product

Molding arrived in excellent condition.. painted easy and hung well.. Couldn't ask for better molding.. will be buying more when we go to finish rest of house reno..Thank you !!

Other products reviewed on this order: MC-1020 Corners, MC-1020 Corners
5 out of 5

Elegant molding

I absolutely love the style of molding it puts a really nice classy touch to my dining room and the wallpaper that we have. I just wish I had more rooms to put molding in.

Other products reviewed on this order: CM-1033 Crown Molding
5 out of 5

Easy to work with

Looks great and was very easy to put up compared with solid wood.

5 out of 5

Wife Estatic - Demands Whole House Be Done

Most importantly, the video gave me the confidence to order and personally put up the crown molding on my own - I'm 70 years old. Luckily, my wife purchased a miter saw for me 15 years ago with the hope I'd get around to putting up molding. Couldn't find any we liked for the price until we clicked on uDecor. Loved what we saw and watched the videos. Received the order in a timely manner and even called support to ask some simple questions that were answered to my satisfaction which gave me further confidence. Family room and kitchen are completed - several different types of cuts were required. Simply experimented on some scrap before doing those cuts. Kept going back to the video for reinforcement. Since I still work and travel out of state a lot, it took me a few weekends to finish the job - mostly due to my age and doing it on my own. Friends and family are amazed at the workmanship (thanks video). However, this has presented a new challenge from my wife. She loves it so much, she wants the whole house done. The dining room, living room, bonus room are next (4,000 sf house). Looking forward to it - it was fun! Thank you, uDecor. Follow up orders are forthcoming.

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5 out of 5



5 out of 5

Elevating the ceiling

Talk about taking my foyer and computer area room to the next level, this molding makes my 8 foot ceilings look like 10 foot. So happy I went with the rope edge over the plain. The DIY videos were a big help. Going with mitered corners was best.

5 out of 5

Crown molding

Great product, looks very elegant in my living room and dining room, and the shipping was unbelievable, maybe within 21 hours

5 out of 5

looks great easy to work with

made the room look finished and elegant, looked great with 8ft ceilings. customer assistance was awesome too

Other products reviewed on this order: MC-4190 Corners
5 out of 5

Great Product

Product is well made, light weight and very easy to install. I'm a 64 year old woman and I installed the molding myself and it looks great!

Other products reviewed on this order: MC-1020 Corners
5 out of 5


Great product just as in the picture, came in less then 24 hours, great service, very happy with delivery time

5 out of 5

The Best product

UDecor has the best customer service I've had in a long time Highly Recommended

5 out of 5

Easy to work with.

We have used this product in 3 rooms in our house and now we are installing into 4th room. Carpenters have told me it easy to work with and I can tell you it looks great.

5 out of 5

Looks awesome

Fininishing touch

5 out of 5

Great enhancement

We loved the crown molding so much that we have added it to two other rooms and plan to do the entire house. Beautiful and easy to work with. Best price online and very fast delivery.

5 out of 5

really finishes the ceilings

I put the crown molding in three rooms of my 1854 brick Italianate home. The molding really adds an elegant touch to the rooms. The molding arrived just a couple of days after I placed the order. It was very easy to install, and the online video showing how to miter the corners was most helpful.

5 out of 5

This product is Great! I would recommend this to everyone!

My house is eighteen years young, and new crown molding makes it even younger! brings a new fresh look to my great-room and kitchen!

5 out of 5

Will be using uDecor again.

Had this molding put up in kitchen/great room. Really looks great and adds class to the house. Easy to work with and paint and shipping was really fast.

5 out of 5

Excellent service

The sales service was very good and friendly, helpful and efficient. Delivery was quick and the molding came well packaged in cardboard boxes.

5 out of 5

looks beautiful

I ordered twice. Good quality. Easy to install. Just before installation to check the width of each board.

5 out of 5

Very happy with this product

Now the walls/ceilings look "finished" and beautiful. Customer support was WAY beyond our expectations... these folks are SUPERIOR in every way.

5 out of 5

looks great, easy to work with

I had it installed in the dinning room, family room, entrance hallway and kitchen. It really finishes off the rooms nicely. It looks elegant but not overpowering. Will be ordering more for the living room after the first of the year.

5 out of 5



5 out of 5

Sets off my porch!

The crown molding looks great on my porch and was of high quality and consistent design.

Other products reviewed on this order: MC-1020 Corners
5 out of 5

Just the right size, and lovely pattern

Adds so much class to the room