Different types of Putties and procedure

Almost everyone who had to get their home painted knows of wall putty.

Wall putty is the white powdered substance that is applied to walls before painting.

It gives a smooth finish and also brings out the colors of the paint which will be eventually, be applied.

Applying wall putty also reduces the quantity of paint that will be required.

It increases the stability and durability of the painting job.

Wall putty also functions as a filler for holes and cracks in the wall, which is the reason behind the smooth finish that is obtained because of the application of the putty.

It, thus, creates an ideal base for the application of paint.

Also, it reduces water absorption, thus making the walls seepage less.

 It must be noted that wall putty is applied after sanding and after the removal of sand and dust particles.

 for further information please click the links given below-

https://www.youtube.com/watch?v=sTPy_iwtHBI

https://www.youtube.com/watch?v=fwPE1I9y2p4&t=52s

https://www.youtube.com/watch?v=qXkL8tgYcSQ

Wall putty is of two types which are described below:

Acrylic putty: This kind of putty is available in paste form and can be directly applied to the wall.

This is not for use for exterior finishes.

The strength is not as much as the cement.

Cement putty: This is the second kind of putty.

They are available in the powder and water is mixed at the time of their usage.

They are more in demand these days, owing to the quality that they provide.

They can be easily used in exterior works.

 Procedure: Before applying the putty one must ensure that the surface is properly prepared. Also, one must wear masks and gloves to ensure proper safety.

In surface preparation, the key points to remember are: The surface that the putty will be applied on should be plastered.

Proper treatments should be done for dampness, fungus, or leakage problems on the wall.

The surface should be clean before the application of putty.

There should be any residual paints etc.

The loss of the material should be removed from the wall by using emery paper, wire brush, etc.

One can also make use of a putty blade.

The surface should be wiped out after this.

The wall should then be moistened and dried before the application of putty.

While doing this one must be careful about wetting the surface, as using excessive water could result in the accumulation of water on the surface of the wall, which is highly undesirable.

 After the surface is prepared the putty should be applied.

If one is using the acrylic putty, then there is no requirement of adding water as it would already be in the paste form but if one is using the cement-based putty then water has to be mixed.

For mixing the putty, one should take the required quantity and add water in a ratio of 2:1 or as prescribed by the manufacturer. The mixture should be stirred continuously by hand or an electric mixer for about 10-15 minutes till a consistent, creamy paste is obtained.

The formation of lumps should be avoided.

The mix should be utilized within two hours.

After that, the workability of the mix decreases and it would be difficult to apply it on the wall.

 Before the application of the putty, a coat of primer could be applied the night before and it should be allowed to dry overnight.

One should check the putty for manufacturer recommendation as some recommend the use of a primer before application of putty, while some recommend afterward.

The putty should be applied in a ‘bottom to top’ direction using a spatula, putty blade, or trowel. The first coat should be allowed to dry and after that, the surface should be rubbed with emery paper to remove loose particles.

Then the second coat should be applied.

After the surface is dry, sandpaper should be used to get a smooth finish.

Almost everyone who ever had to get their home painted knows of wall putty.

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