What is the strongest drywall mud?

Taping compound dries harder and is more difficult to sand than all-purpose and topping compounds. Taping compound is also the best option if you need to cover plaster cracks and when superior bonding and crack-resistance are required, such as around door and window openings (which tend to crack due to house settling).

What is the difference between lightweight joint compound and regular?

Lightweight joint compound weighs less than regular and offers lower shrinkage. After applying any type of joint compound, it must dry before sanding it. When sanding it, lightweight compound is easier to sand than regular. It is used for all drywall needs, including covering joints, corner beads, fasteners and trim.

Is there a flexible drywall mud?

DAP Elastopatch Smooth Flexible Patching Compound is a high performance elastomeric spackling compound that eliminates reoccurring cracks by providing a permanently flexible fill. Excellent for use on smooth surfaces including masonry, brick, plaster, drywall or any surface requiring a permanently flexible seal.

What is topping mud used for?

Topping mud is used as a final top coating. It dries to a bright white and is easy to sand, making it a good choice for walls that will be painted a light color. Topping mud has less adhesion properties than all-purpose mud, so it’s not suitable for first and second coats.

Should I use all purpose or lightweight joint compound?

Regular joint compound is the original type of compound and is used for all drywall needs. It dries slower than lightweight compound because of its weight. If a worker applies too much of regular compound, it has a tendency to sag and is not used as often as lightweight compound for filling holes or cracks.

What is ultra lightweight drywall mud used for?

Sheetrock® Brand UltraLightweight Joint Compound ideal for embedding paper joint tape as well as filling, leveling and finishing over gypsum panel joints, fasteners, bead and trim.