Joint or drywall compound is basically a white-colored substance that looks like a plaster. It is used together with a joint tape to seal drywall sheets in buildings. As a matter of fact, the compound is commonly known as mud or joint cement. The material is being utilized for hanging drywall by DIY enthusiasts as well as professionals like drywall services Salt Lake City. It fills up the joint taping and joints, screws and nailing keep the application secure, too. There are various kinds of drywall compound which include setting and drying types.
All-purpose material is actually an alternative form of drywall compound. It may be used as topping or taping material, and is often used in houses, since it is very effective in all the 3 layers in the application of joint compound. In addition to that, it is used for texturing as well. The main downfall in this type of material is its strength and durability, and also, it is less resistant to cracks, in comparison to other kinds.
A taping material is commonly used in the initial 2 layers of drywall compound application of the 3 layers done over the joints and tape in the installation of drywall. The taping compound is basically used in spaces where there is a gap in between the 2 sheets of drywall. After the application of the joint taping compound in between gaps, the tape is then applied over it, as well as the material is being left to dry. Furthermore, the second layer of compound makes sure that shrinking or cracking does not happen in the drywall.
It is used for sealing small holes and blemish repair in drywall. It actually has benefits such as resistant to crack and shrinking, better bonding, as well as hard drying. The second layer of the joint compound may be given over the 1st one without waiting for an initial layer to dry up. One drawback is, it is hard to handle. Aside from that, the drying time is usually twenty minutes. Since it’s not available in premixed form, you should know the correct consistency for application.
This is basically the third and last layer of the drywall compound applied onto the drywall. Sanding and application of primer are done on this layer. The compound is applied to cover the 2 coats used earlier and isn’t used for adhering tape and joint.
These types of compounds aren’t seen through texturing, even if used in thick layers. Actually, all of these kinds of drywall compound are available in the lightweight compound. However, they have lesser amounts of adhering components and so aren’t good enough for taping seams. This kind of compound is also used in the first 2 seam coats and for the corner layer of bead. And because sanding may be performed easily on this type of material, it’s mainly applied for finishing coat on the drywall.
All of these various types of drywall compounds are totally compatible with one another however, makers caution customers from combining these different compounds in the repair of drywall.