What is the best Sheetrock joint compound?

Asked By: Slavko Arno | Last Updated: 2nd May, 2020
Category: home and garden indoor environmental quality
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Topping Compound: Best Mud for Final Coats
Topping compound is the ideal mud to use after the first two coats of taping compound have been applied to a taped drywall joint. Topping compound is a low-shrinking compound that goes on smoothly and offers a very strong bond. It is also highly workable.

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Also asked, is there a difference between joint compound and drywall compound?

Drywall Joint Compound The main ingredient in joint compound -- or mud -- is gypsum, and it's the product that you use for taping and finishing drywall seams. You can also use it to patch holes, although it takes longer to dry and shrinks more than spackling paste.

Similarly, what are the different types of drywall mud? When shopping for drywall mud you may notice different types of pre-mixed mud. The three most commonly used are "all purpose", "lightweight all purpose" and "topping". There are of course several other types of joint compound available however these are the most common.

Also asked, what is Sheetrock joint compound?

Joint compound (also known as drywall compound or Mastic) is a white powder of primarily gypsum dust mixed with water to form a mud the consistency of cake frosting, which is used with paper or fiber joint tape to seal joints between sheets of drywall to create a seamless base for paint on interior walls.

What kind of mud do you use to tape?

All-purpose joint compound, commonly called mud, is the wet material that is used for drywalll installation to adhere paper joint tape, fill joints, and to top paper and mesh joint tapes, as well as plastic and metal corner beads. It can also be used to repair holes and cracks in drywall and plaster.

34 Related Question Answers Found

Why did my drywall mud crack?

Ready-mixed joint compound, the most common form of drywall mud, contains water. When the water evaporates, the joint compound shrinks because the remaining particles take up less space. This causes slight, shallow cracks to develop across the surface of the joint compound application.

Is mesh or paper tape better for drywall?

In general, paper drywall tape is slightly stronger and more versatile, but mesh tape has a more manageable learning curve and better moisture resistance.

Can joint compound be used as a skim coat?

Skim-coating is the technique of applying thin layers of gypsum-based joint compound over the entire surface. Skim-coating can also be used to smooth a textured surface. Skim-coating does not require any arcane skills. It is a matter of troweling on the coating, then spreading it thin with a wide, drywall taping knife.

How thick can you apply joint compound?

You can avoid a lot of extra work later by making sure paper tape is thoroughly embedded in the joint compound. Start by laying a thick bed of joint compound down the center of the seam. Then smooth it down to a consistent thickness of about 1/8 in. with your 5- or 6-in.

How many coats of drywall mud do I need?


Apply three or more coats of very thin compound rather than one or two heavier coats. Yes, it takes time for the compound to dry, but don't try to rush the drywall taping process along by applying fewer, thicker coats.

Should I use spackle or joint compound?

Spackle. Joint compound is the better choice for taping and finishing drywall seams whereas Spackle is the better choice for filling in small to large sized holes in your walls. Now, that doesn't mean you can't fill holes with a quality joint compound, but joint compound typically dries much slower than spackle.

Is joint compound the same as filler?

So far, the translations we have for the joint compound are: “Drywall joint compound” in the United States (guys in the construction industry call it “mud”) “Drywall filler” in Canada. “Joint filler” in the UK.

How do you smooth walls with joint compound?

Joint compound is thick, so use water to thin it to the consistency of thick cake batter. Invest in a mixing paddle for about $10 and use an electric drill to do the mixing. Pour some mud in the tray and spread it on the wall. Start at an upper corner and work from the ceiling down.

Is Wet drywall mud toxic?

"A study by the National Institute for Occupational Safety and Health (NIOSH) has shown that "nuisance dust" from joint-compound mud used in drywall work can contain toxic materials. And, there can be dangerously high amounts of dust from sanding and other drywall work.

What is the difference between blue and green joint compound?


Green is all-purpose “heavy weight” and has no bearing on where it's used as far with greenboard or whatever. Green is a stronger compound than the “light weight” blue so it's preferred for all joint taping and screw covering.

How common is asbestos in joint compound?

In joint compound the asbestos content varied but typically was between 3-6%. Even if the gypsum board itself did not contain asbestos this means that by weight the asbestos content of the wall system was about 0.25%.

What is all purpose joint compound used for?

All Purpose Joint Compound is designed to be used for taping. finishing joints and cornerbead, spotting fasteners, skimming and textures, and repairing cracks in gypsum walls. Applies easily and provides excellent bond. Stays strong – highly durable surface.

What is the best mud for taping drywall?

Topping compound is the ideal mud to use after the first two coats of taping compound have been applied to a taped drywall joint. Topping compound is a low-shrinking compound that goes on smoothly and offers a very strong bond. It is also highly workable.

How much sheetrock mud do I need?

As a general rule, estimate 0.053 pounds of mud per square foot of drywall. So, multiply the total number of square feet by 0.053 to determine how many pounds of compound you'll need. For example, if you are putting up 1,600 square feet of drywall, you would need: 1,600 x 0.053 = 84.8 pounds of compound.

What is the difference between drywall mud and spackle?


Drywall mud, also known as joint compound, was created to bond only with paper drywall, and to be used as a drywall finishing product. Drywall mud cannot stick to plaster or painted walls. Spackle is designed to be used as a repair product on painted or plaster walls.

Do it yourself repair drywall?

drywall panels
  1. Step 1: Outline the Damaged Area with a Carpenter's Square.
  2. Step 2: Cut the Sides with a Keyhole Saw or Utility Knife.
  3. Step 3: Cut the Support and Install in the Wall.
  4. Step 4: Cut the Drywall Patch to Size.
  5. Step 5: Install the Drywall Patch with Drywall Screws.
  6. Step 6: Complete the Drywall Patch.

What is Sheetrock 90 used for?

Sheetrock 90, 45, 20, is humidity resistant and is great when painting or finishing bathrooms and kitchens. It is also has more strength than premixed compounds.