It takes about 2 hours to install a plaster. First, the walls are primed and then a coat of adhesive is applied. The plaster is then cut to size and pressed onto the adhesive. A trowel is used to smooth it out and remove any excess plaster. Finally, a sealant is applied to protect the plaster from moisture damage.

It takes about 2 hours to install a plaster. The time it takes to install a plaster may vary depending on the size and shape of your wall, as well as the type of plaster you choose to use. Some plasters, such as Venetian plaster, can take longer to install than others. If you're hiring a professional to install your plaster for you, be sure to ask how long the installation will take so you can plan accordingly.