Follow the instructions carefully on any materials you use and ensure you air out your workspace regularly. When drywall is installed it is glued to the studs of the wall frame and then fastened further with nails or screws. These are essential to the support of the panels and points of significant strain for them as well. Over time and from the building settling these points will bear a good deal of stress, increasing a likelihood of cracks forming here source.
This can also cause the nails or screws to push out causing damage to the compound covering them up. If not installed properly or the drywall is too thin this problem can quickly cause further damage as the other points bear a greater load.
Probably the most likely place for damage to occur is the seams of a drywall. The points where each panel meets another will always be under strain as each is independent of the other. Knocks taken to one panel will apply that force primarily on the joining edge.
Any compound placed here is at a risk of cracking under this pressure. Another cause of cracks to drywall is the compound itself that covers up the seams. If the application of this was not done properly then cracks are much more likely to occur. This can be from applying coats on top of still wet compound, or even from applying too thick of a layer of compound. Overall, this compound can be susceptible to damage.
Drywall tape is a prime example of this and a useful tool in preventing some of the risks discussed above. Exploring the benefits in more detail will paint a better picture of this impact. Perhaps the most important benefit of using the tape is that it can provide additional support to the most vulnerable part of the drywall.
The seams between each panel will likely be the first parts to show wear and tear. The drywall tape will provide a uniform and resilient barrier against this damage source. Due to the natural flexibility of the tape, the shifts between two adjoined panels will not break it, unlike the drywall compound which could crack under the strain. This tensile strength affords limited movement while still holding everything in place.
Drywall projects are usually quite extensive so any improvements on the time taken will likely be appreciated. The drywall compound that glues the panels together and covers the seams is strong once solidified. However, as the paste dries to a solid state it also shrinks slightly. This means that any seams or large cracks will reappear as the compound sinks into it. Some types of tape are embedded in a coat of compound that goes on the wall first. Mesh tape, on the other hand, is positioned over a wall seam, and compound is applied over the tape, allowing it to ooze through perforations in the tape and into the seam beneath.
To select the right type of drywall tape, check out these variations and characteristics. In the world of professional taping, paper is king. Paper drywall tape comes in rolls about 2 inches wide and anywhere from 50 to feet long.
Paper tape is the thinnest tape, and the thinner the tape, the less visible the finished seam. This means that paper produces the smoothest possible seams—but only if used correctly. Paper tape is applied over a layer of wet joint compound used to fill a joint between drywall panels.
The tape is embedded in the compound using a taping knife, and additional compound is smoothed over the tape to cover it. Pro drywall installers often only use paper drywall tape, but it can pose a problem for DIYers who may use too little or too much compound. For speedy installation, rolls of paper tape are often fitted into drywall tape dispensers to allow installers to apply compound and tape at the same time. Note that standard paper drywall tape comes with an embossed line down its center to create a crease to form a degree angle for use in an inside corner.
Use this same paper tape flat as described to tape joints in the center of the wall. As with flat seams, joint compound must be applied to an inside corner, after which the tape is folded and embedded in the compound.
Embedding tape smoothly in compound takes practice and experience, but self-adhesive drywall tape may make it easier. Rather than applying the tape over a layer of compound, self-adhesive tape features a sticky backing that lets the user position it directly over a dry joint between panels.
The tape is made with an open weave mesh, so the joint compound can flow through and fill the seam beneath. This type of tape is much simpler to use than paper, but take care to smooth enough compound through the surface mesh to fill the seam beneath. If too little compound is used, the joint is more likely to develop cracks later. Most drywall tapes, with the exception of paper, are slightly flexible, which means they can be smoothed on over a rounded wall corner without gaping.
Flexible tape is not recommended for use on inside corners, because it lacks rigidity and will not hold a sharp crease down the center. Moisture-resistant drywall tape may contain fiberglass or other water-resistant components; pair it with moisture-resistant drywall panels.
This type of tape is typically used in bathrooms, basements, or any other rooms in which humidity is probably high. Most moisture-resistant brands of drywall tape are also mold and mildew resistant, and they may contain fiberglass or other components that naturally resist mold growth.
I've done corners both ways and though the corner tool has advantages, I have found that as an amateur it is neater to do the two sides with a standard drywall knife and then use the corner trowel to neaten up the corner.
How drywall tape is designed How to install drywall tape Apply a layer of drywall compound over the seam or area to be repaired. The compound does not need to be applied evenly, but it must completely cover the area behind the tape. Any dry spots may lead to tape failure and more work later! It is not important to fill the gap between the panels behind the paper.
Indeed, if the gap is very large the weight of the compound filling the gap might cause the tape to bulge out If you feel the gap should be filled, it is better to fill the gap first, allow the compound to dry completely and THEN apply the tape over it. Lay the tape into the compound, seam bulge toward the wall. Run your taping knife along the tape, pressing it hard enough to cause most of the compound to ooze out from under the tape.
There should only be a very small amount of compound left behind the tape. NOTE: Some installers like to wet the tape first by running it through a bucket of water. This can improve the stick between the compound and the tape by slowing down the drying time. When the tape absorbs the moisture from the compound, it can cause dry spots that may lead to tape lifting. It's your choice Almost every part of a house that can be seen had to be laid out properly and executed well.
Paying attention to the smaller details add up and results in a good looking room. It might be more convenient, time-saving, or cheaper in the short-term, but you will notice the consequences of not doing things properly over the long term.
From the earliest age I can remember, I was planning and building things, and there was no question that Architecture was the right career fit for me. With more than 20 years of experience in the industry, I am absolutely thrilled and privileged to share my knowledge and experience with everyone through this blog.
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What is Drywall Tape?
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