Lightweight All Purpose Joint Compound Lightweight all purpose drywall mud, as the name indicates, is made for all applications yet is lighter in weight than all purpose mud. Many pros believe that lightweight joint compound contains less binding agents and therefore is inferior when taping seams.Click to see full answer. In this regard, should I use lightweight joint compound?Lightweight Joint Compounds including All Purpose with Dust Control are not recommended for skim coat applications. The heavy-weight joint compound is used for tape coat, skim coat and 2nd coat on inside angles because of its strength and superior adhesion.Furthermore, what is setting type joint compound? Setting-Type Joint Compound is ideal for heavy fills in drywall interiors and exterior ceiling boards. The compound is lightweight for easy handling and sands easily for fast, smooth finishing. With its low shrinkage and superior bond, it is excellent for laminating drywall and patching plaster surfaces. Also Know, how do you use lightweight joint compound? Apply it full strength across the joints and at corners for bedding the tape. Then use it full strength or slightly thinned for the top layers. Try to avoid ridges and bumps with all purpose joint compound. But if you get them, don’t worry; the lightweight compound sands easily.What is the difference between drywall mud and joint compound? Joint compound is most often used when new drywall is hung. Joint compound (also known as drywall mud or simply known by pros as mud) is also comprised mainly of gypsum dust that you mix yourself to a cake frosting-like consistency. You can also find it pre-mixed in a tub.
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