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Internet #202961506

Model #90128

Store SO SKU #1000054305

HD 1x6 3/4 in. x 5-1/2 in. x 144 in. Polyurethane Flexible Flat Stock S4S Moulding

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  • Made from polyurethane material for enhanced durability
  • Paintable to enhance the look of your home decor
  • Flexi molding is suitable for archways, windows and doors
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Frequently Bought Together


Product Overview

Flex Trim is the largest flexible moulding manufacturer in the world. Our flexible moulding has the beauty of real wood, at a fraction of the cost and manufacturing time of radius wood moulding. Flex Trim is made of polyurethane material, a strong, long-lasting and cost effective alternative to wood and polyester products. It can turn an ordinary room into a space that is memorable and makes architectural challenges easy. Flex Trim is perfect for round windows, archways, curved wall moulding, decorative doors, radius crown, curved baseboards, column wraps and many other curved or rounded moulding applications. Please note that a straight piece of flexible moulding will not work for all applications. Radiuses casing and crown applications require pre-bending and accurate measurement for proper installation.
  • Made from durable, non-shrink polyurethane
  • Can be stained or painted to complement your space (must use GEL stain)
  • Impervious to moisture and resists rot, swelling and deterioration
  • Can be used for interior or exterior applications
  • Must be painted for exterior applications
  • Appropriate unit of measure for ordering this product is each, not linear feet
  • Smooth 4 sides (S4S)

Info & Guides

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Product Depth (in.)
0.75 in
Product Length (in.)
144 in
Product Width (in.)
5.5 in


General Purpose
Color Family
Product is shipped unfinished, tan in color.
Finish Type
Installation Type
Moulding Features
Flexible,Moisture Resistant,Rot Resistant
Moulding Type
S4S Moulding
Sell Pack Options
Single Item

Warranty / Certifications

Manufacturer Warranty
Guaranteed against defects in material and workmanship.

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 4
    out of 6 reviews
  • 67% recommend this product
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Showing 1-6 of 6 reviews
This product was like jello. Hard to handle and it didn't hold paint well at all. Everything cr...
This product was like jello. Hard to handle and it didn't hold paint well at all. Everything cracked when it dried.
Response from Flex Trim Product ExpertJun 26, 2021
I am sorry that you had a negative experience with our product and we will be happy to work with you to resolve whatever issues you had. We sell thousands of pieces of flex every day and although we aren't perfect, we have very little negative feedback regarding our product. With that being said:
1) Flexible moulding is made out of polyurethane, which starts out as 2 different liquids that form a solid when the two material are mixed together at a fixed ratio. It is theoretically possible for the material to get "off ratio" (it can become too hard or too soft) but it is very rare for one of those pieces to be shipped (although it honestly could happen).
2) Every single piece that we make is either painted or stained and the only times that we have ever seen a cracking issue with paint are:
a) If the piece is painted prior to installation (our material is flexible but paint is not, and the paint can crack if the piece if flexed after it painted).
b) We had one instance where a customer used paint that was meant for metal (and was not compatible with polyurethane) and the paint cracked.
I am sorry again that you had any problems and since we stand behind our product, I will be happy to do whatever I can to fix your issue.
Best regards, Greg Carter - Flex Trim (greg@carterflex.com, direct - 336-242-1766)
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Rating provided by a verified purchaser...
Rating provided by a verified purchaser
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Rating provided by a verified purchaser...
Rating provided by a verified purchaser
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very easy to work with but little on heavy...
very easy to work with but little on heavy side
  • Verified Purchase
Did the job
The piece was much heavier than I anticipated but once we got it cut and in place, it worked the way we had hoped.
    • Recommended
    This will bend oraund anything u may need it to. Cuts good, beware it's heavy ur gonna need at least two people to install it.
      • Recommended
      1 person found this helpful
      Showing 1-6 of 6 reviews