Answer: Yes you can use a hair dryer or a heat gun to dry the mud on a sheetrock repair faster.
If you need to dry your plaster faster, there are a few things you can do. For instance, you could use a hairdryer on a low setting, but this should only be done in small areas.
Heat or a fan helps. Problems are don't apply it too thick because not only does it take longer to dry it can and will cause cracking during drying. On large jobs it's not much of an issue since by the time your finished one area the other is dry ...
If you're having trouble getting the drywall putty to dry, try using a hair dryer to speed up the process.
Please do not turn the heating on full blast to try and accelerate the drying process of your plastering. It is also not a good idea to bring in additional heaters or dehumidifiers in an attempt to dry the plaster out quickly.
Accelerate drying by opening windows and doors. Use fans to move air around the damp walls. Dehumidifiers can help remove moisture from the air, which indirectly removes it from the walls, too. To speed up evaporation, remove molding and baseboards to prevent moisture from entering behind them.
Hence, when plaster of paris is heated the formation of anhydrous calcium sulphate takes place. Note: It is important to note that the name dead burnt plaster is given to anhydrous calcium sulphate because unlike plaster of paris, it does not set back to its hydrate form when moistened with water.
Sometimes it can be something as small as using a hairdryer on the cool setting near your plant's roots. Be careful not to blow soil off of them but this will help dry out all parts without harming it!
Use a Hairdryer
This is going to be your new best friend if you want your acrylic paint to dry faster.
Plaster generally takes around three to five days to dry fully. It will turn from a brown colour to pale pink. Then, you can apply your mist coat of paint or wallpaper.
The aim is to soak the porous plaster in synthetic resin. The plaster must be dry. When the resin is set the plaster becomes waterproof, impervious, strong, and hard. The resin becomes part of the body of the plaster and, unlike paint, adds no coating to the surface that might obscure detail.
Drying Times
We recommend not to put the central heating up too high in the plastered room during the first 48 hours, but let the drying take it's natural time – this will aid in a stronger plaster bond. Fresh plaster is dark brown in colour (sometimes black), and once completely dry it is a pale pink colour.
Increase airflow
Good airflow will help to encourage your plaster to dry more quickly. If it's not too cold, it can help to keep windows and doors open. Similarly, a fan can help as long as you keep it on a low setting so that it doesn't cool down the room too much.
Airflow: Good airflow can help speed drying by circulating air around the damp plaster. You should keep the room well-ventilated and use fans to increase airflow during drying. Thickness Of Plaster: Thicker layers of plaster will take longer to dry than thinner layers.
Painters and drywallers speed up the set time of their hot mud by using heat guns. This quickly dries wet paint and mud. I utterly rely on heat guns for small repairs like this. Plug the gun in, switch it on, and position it a few inches away from your wall patch.
The use of lime-based reagents will accelerate the drying of soils regardless of ambient conditions. The impact of water in the process of soil compaction cannot be overstated.
A hairdryer on the air-dry clay will absorb all the moisture, significantly speeding up its drying procedure. Hence, using a hairdryer will save you time and deliver stunning, natural-looking results as would have been if it had been dried naturally.
How is this done? The system involves spreading lime over the site and working it in with a bulldozer. Whole bags are laid in place over the area and then worked into the soil with a bulldozer. Lime does a rapid job of drying up a wet clay area as long as sufficient lime is used and it is mixed in thoroughly.
One of the easiest ways to speed up the setting time of plaster is to use warm water when mixing it. Gypsum plaster reacts more quickly when mixed with warm water because it accelerates the hydration process. Simply using water that is warmer than room temperature can shave several minutes off the setting time.
Typically, all-purpose drywall mud usually finishes drying within 24 hours. Quick setting drywall mud usually takes anywhere from 5-90 minutes to dry. Topping drywall mud takes approximately 16 hours to dry. Lastly, taping drywall mud also takes around 24 hours to dry.
Using a radiator or any heat source should be avoided as this can cause the plaster to dry too quickly and cause it to crack.
One of the primary causes of plaster cracks around fires and wood burners is the heat generated by these appliances. As the temperature fluctuates, the walls expand and contract, which can lead to cracks in the plaster.
Plaster casts will rarely become 100% dry without the use of a forced air dryer. As the cast sets or hardens, a chemical reaction causes the piece to heat slightly.