Basics of using wall putty and how to properly paint walls with it

Wall putty is an important and necessary material for preparing and stabilizing wall surfaces before painting them with the appropriate paint. The putty fills gaps, covers holes, hides scratches and cracks in the walls, and gives a smooth surface ready for applying different colors.

In this article we will learn about wall putty and the basics of its use. And the method of painting walls with putty.

Types of wall putty

There are many types of plasters used for walls and ceilings, depending on the materials they are made from, and understanding them is essential before learning how to plaster walls. These include:

• plaster-based putty It is characterized by its low cost and the fact that it does not shrink after drying. However, it has a drawback in its low moisture resistance, so it is recommended for use only in dry rooms.
• Cement-based plaster : It is characterized by its high moisture resistance, allowing its use in high-humidity rooms such as kitchens and bathrooms. However, its drawback is its high shrinkage rate, which can lead to small cracks appearing after drying.
• Polymer sealant : It combines moisture resistance with a low degree of shrinkage, but its price is high compared to other types.

Basic principles of using wall putty

Tools and materials needed

• paste.
• Water.
• Sealant.
• Two putty knives.
• Ladders or scaffolding for very high places.
• Mixing bowl.
• Sandpaper.

Preparing the wall surface

To ensure the success and effect of the wall plaster, the wall preparation stage should not be overlooked and must be completed with extreme care.

• First, you must Cleaning the wall to be painted With the paste
• Any dust, dirt, stuck oil, grease, or foreign material must be removed from the wall surface.
• If you wish to use wall putty on previously painted surfaces, you should first Remove the uneven paint layer This is to ensure the plaster adheres to the walls. Also, try to remove as much of the previous plaster as possible.
• If you wish to use wall putty on porous surfaces (cement or chalk), it is advisable to do this first. Using a material called "Cillar" Before applying the paste.

How to paint walls with putty

To learn how to paint walls with putty in a professional manner, follow these steps:

Pull the putty slowly onto the walls, making your movement straight and continuous without interruption.

• After preparing the wall to which the sealant will be applied according to the previous steps, proceed with the process. Mix the paste with water if you are using a powdered paste. According to the instructions written on the wall putty container.
• You need because Two putty knives are used. One is large and the other small. The small one is used for applying the putty to the walls, while the other is held in your other hand, holding a ready-to-use amount. Alternatively, the right hand can use the trowel as a substitute for the small knife.
• To start Apply the putty lengthwise to the walls Repeat this process from top to bottom until you complete the wall.
• You may need For the ladder or what is called "scaffolding" To reach higher places.
• He prefers Applying a second layer of plaster to the walls To get a smoother surface, you need to move the putty horizontally from right to left, until you finish the wall.
• middle Sand the surface of the putty After applying it to the walls with sandpaper.
• become The roof is now ready. The painting process requires...