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Model #381903

Store SKU #599415

4.5 gal. UltraLightweight Ready-Mixed Joint Compound

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  • Ultralightweight joint compound for all drywall finishing steps
  • Weighs up to 40% less than conventional weight joint compounds
  • Delivers tough finish surface yet sands easily
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Product Details

USG Sheetrock Brand UltraLightweight Joint Compound is a ready-mixed, high performance, all purpose compound that offers superior working qualities and good open time. Compared to conventional weight compounds, it weighs up to 40% less, provides enhanced application properties, and is easier to sand. A special formulation makes it ideal for embedding tape and for filling, and leveling and finishing over gypsum panel joints, fasteners, bead, and trim. It's also excellent for skim coating and hand-applying simple textures. USG ready-mixed joint compounds are preferred for consistently high-quality work. Superior formulations are premixed to a creamy, smooth consistency and are essentially free of crater-causing air bubbles. They can be used in hand or machine-tool applications and offer excellent slip, bond, and easy workability.
  • Pre-mixed compound for minimal mixing, thinning and retendering
  • Provides a durable finished surface for fill and finish that requires less sanding
  • Installation is easier with up to 40% less weight than conventional weight compounds
  • GREENGUARD Gold certified for low-emitting performance
  • Return Policy
  • California residents

Additional Resources

From the Manufacturer

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Specifications

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Questions & Answers

12Questions
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Q:How do you identify the expiration date on the premixed joint compound? Yesterday I bought a pale...
by|Aug 28, 2020
5 Answers
Answer This Question

A:  Found it at the bottom in black ink below the fine print. 092120

by|Dec 18, 2020

A:  I believe that is the manufacture date. Joint compound typically has a shelf life of 9 months.

by|Jan 18, 2022

A:  Thank you for your inquiry. The first six digits represent the production date. In this case the joint compound was produced on 07/14/2020. Ready mixed joint compounds have a shelf life of 9 months under good storage conditions. Store compound in protected place, because extreme heat or cold accelerates aging.

by|May 9, 2021
    1 found this answer helpful

    A:  Thanks for another great product.

    by|Dec 19, 2022
    1 found this answer helpful

    A:  if it is like any product that after a time or the expiration date does not work the same as it is freshly made

    by|Jun 10, 2021
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      Q:Can tbis be used on mold resistant sheetrock?
      by|Jul 12, 2020
      5 Answers
      Answer This Question

      A:  Yes

      by|Dec 18, 2020

      A:  Yes. used 5 containers without any issues. Cut the finish time in half.

      by|Jul 22, 2020

      A:  Ask a store employee!!

      by|Nov 29, 2022

        A:  Tanya Thank you for your inquiry. We have conducted testing at the USG Corporate Innovation Center on SHEETROCK® Brand Ready Mix and Setting Type Joint Compounds applied to Mold Tough™ gypsum panels for mold resistance. The results of the testing consistently showed that USG SHEETROCK® Brand Joint Compounds rated as well as the MOLD TOUGH™ board after four weeks of exposure to ASTM D3273 for mold resistance. We do not recommend adding anything to our joint compounds. Hope this helps.

        by|Jul 14, 2020

          A:  You _can_ use it on mold resistant sheetrock, but this product is _NOT_ itself mold resistant. Maybe you could add a mold inhibotor when you blend the product to remove air bubbles before using it.

          by|Jul 13, 2020
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          Q:Can this be used for knockdown texture?
          by|Jan 9, 2019
          5 Answers
          Answer This Question

          A:  It light weight, thin application of dry wall is better and holds up longer, also it is easier and faster than trying to make a smooth finish with compound.

          by|Jul 1, 2022

            A:  You can put it on a painted wall But expect to have to put more than one or two coats because the first coat will bubble up do the fact that the painted surface in no longer porous as in a flat or naked wall

            by|Mar 12, 2019

              A:  Yes

              by|Jan 14, 2019

                A:  I don't think I would use this for a knockdown texture. My understanding is that one of the ways the manufacturer is able to make it ultra lightweight is that they reduce the amount of "glue" in the product. This does result in a compound that has slightly less adheasive properties. I would use it if I was doing a light ceiling texture, I just would not be comfortable using it with a knockdown. As far as using it on a painted wall, as you may know, paint acts as a sealer on the drywall and can cause the mud to Bubble. So I would either sand and primer the wall or put a very tight skim coat of mud before doing the texturing. Hopefully others have a little more experience and can post a more definite answer. I would be interested to hear what other users have to say. If you use this product for knockdown let us know how it works out! Happy mudding :-)

                by|Jul 23, 2022
                  1 found this answer helpful

                  A:  I would not use it for knock down texture,its not fast drying. They have knock down texture in box in paint department which works excellent. You just mix it with water and apply. I used hundred times and it's a great product.

                  by|Jan 13, 2019
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                    Q:Was the color of the lid on these change?
                    by|Dec 13, 2018
                    5 Answers
                    Answer This Question

                    A:  There are several products this is another product and they all use to come in 1 gallon or 5 gallon buckets. This particular one is 4.5 gallons. Try it, I like it better than the older one I believe you are referring to. It dries with very little shrinkage. Much easier to sand also.

                    by|Dec 13, 2018

                    A:  No

                    by|Dec 19, 2018

                      A:  Thank you for your inquiry. The Ultralightweight Joint Compound has always had a light green lid.

                      by|Mar 27, 2021
                        1 found this answer helpful

                        A:  No

                        by|Jan 3, 2019

                          A:  I'm not sure how to answer your question. This has been the only color of lid I have seen on this product in our area. My understanding is that it's a newer product and for some manufacturers is replacing what they used to call topping. Although, when it comes to the color of the mud, it doesn't seem to dry as white at some of the topping I have used in the past. I hope that is helpful.

                          by|Apr 30, 2019
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                            Customer Reviews

                            4.5 out of 5
                            (576)
                            • 4.5
                              out of 576 reviews
                            • 74%recommend this product
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                            Showing 1-10 of 576 reviews
                            Not just a joint compound!
                            Light weight poor mans plaster...and it looks great
                            by
                            • Verified Purchase
                            • Recommended
                            USG ULTRALIGHT JOINT COMPOUND
                            Excellent product. After using all-purpose compound for taping, I used the ultralight compound for all my joint work and skim coating for a level 5 finish.
                            by
                              1 found this review helpful
                              5 Stars
                              This product is the best for amateur fixer, whi want to smooth a wall. Cover once, dry for a day, then once again (thin coat) to eliminate sanding and any powder film. Then paint after another day of drying.
                              by
                              • Verified Purchase
                              • Recommended
                              I used USG ultra light to smooth out my...
                              I used USG ultra light to smooth out my ceiling after removing popcorn ceiling. Great product.
                              by
                              • Verified Purchase
                              2 found this review helpful
                              I used this when finishing my basement. It turned out quite well.
                              I used this when finishing my basement. It turned out quite well.
                              by
                              • Verified Purchase
                              • Recommended
                              1 found this review helpful
                              Great Mud!!...
                              Great Mud!!
                              by
                              • Verified Purchase
                              1 found this review helpful
                              This mud is extremely light weight goes on without leaving...
                              This mud is extremely light weight goes on without leaving bubbles and leaves a smooth job my crew has been really impressed with this product
                              by
                              • Verified Purchase
                              4 found this review helpful
                              Used it for skim coating walls. Worked great!...
                              Used it for skim coating walls. Worked great!
                              by
                              • Verified Purchase
                              1 found this review helpful
                              Ready to use from the bucket. Good consistency for easy application. No additional thinning req...
                              Ready to use from the bucket. Good consistency for easy application. No additional thinning required unless maybe you are doing skim coat. Since 4.5 gallons is a bit much to drag around I scoop a bunch into a 3.5 quart bucket from previous jobs and just carry that light one up and down the ladder.
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                              • Recommended
                              2 found this review helpful
                              Add a little water and is sprays great texture. Easy...
                              Add a little water and is sprays great texture. Easy clean and good dry time.
                              by
                              • Verified Purchase
                              1 found this review helpful
                              Showing 1-10 of 576 reviews