![]() The different types of tape are paper, mesh, and preformed-and all three have their pros and cons. Photo: Types of Drywall Tapeĭuring the mudding process, tape acts as a bond to keep the finished wall from developing cracks along the drywall seams. Avoid this by choosing an easy-to-sand variety. Easy-to-sand setting mud: The chemicals in some types of hot mud harden into rock-like ridges on your walls, and you can spend hours trying to sand them smooth.If you use setting mud, mix only as much as you need, and wash your tools frequently as you work. You can choose from 5-minute mud, 20-minute mud, or longer-hardening times, depending on your needs. Timed drywall mud: Setting mud is labeled by the maximum amount of time you have to work with it before it hardens.Quick-setting mud works well for pre-filling large gaps in walls, or smoothing over crushed drywall corners before starting the actual mudding process. This type of mud tends to shrink less than all-purpose premixed mud, but it hardens very quickly. Powdered drywall mud, also called “setting mud” or “hot mud,” contains chemicals that hasten hardening time when water is added to the powder. Some pros use all-purpose mud for the first mudding application and then switch to lightweight all-purpose mud for the second and third applications. ![]()
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