Why does my paint tin say to sand between coats?

Question

On my tin of paint it says to sand between coats. Won't this take my first coat of paint off?

Nathan Philip · Accepted Answer

The instruction to sand between coats of paint is typically recommended to improve the adhesion of subsequent coats and create a smoother, more even finish.

Sanding between coats helps to remove any imperfections, such as brush or roller marks, that may have occurred during the application of the previous coat. It also provides a slightly roughened surface for the next coat of paint to adhere to, which can help to prevent peeling or flaking.

When sanding between coats, it is important to use a fine-grit sandpaper and to sand lightly. This will remove any rough spots or imperfections without damaging the underlying coat of paint. Additionally, it is recommended to wipe the surface down with a clean, damp cloth to remove any dust or debris before applying the next coat of paint.

In summary, sanding between coats of paint is a common practice that can help to create a smoother, more even finish. When done correctly, it should not remove the previous coat of paint, but rather prepare the surface for the next coat to adhere properly

Gary · Answer

probably depending on the paint it would be to give the new coat a key to adhering

Matty · Answer

This is called keying. It helps paint stick . Hope this answers your question.

Nicholas · Answer

Hi Bill, 
As long as you use a light grade sandpaper 180/240 it won’t remove the paint you have already applied, what you would be doing is preparing the wall for the next coat by removing any imperfections from the roller , paint.

Olly · Answer

Only sand any imperfections lightly with a high grade abrasive disc if needed. Only primers need a sand after mainly. But also this answer would also depend on what paint you are using from what manufacturer

Richard · Answer

Hi Bill
Sanding between coats helps it adhere when apply the next coat 
Only use a fine paper maybe 120/240 will do the trick

Hope this helps

Anthony · Answer

hi Bill
sanding between coats makes the paint adhere{stick} to the surface better. sanding between coats also makes a smoother finish

Nana · Answer

The paint tin say sand between coats because, 
It will eliminate accumulated filth and  provide  a smooth surface to bind the next layer on it. This is always the difference between a good paint job and one with a lot of questions marks.

Jeremy · Answer

Only a very light sand with a fine paper, this is to key the 1st coat so the 2nd coat adheres

Chris · Answer

Most times after first coat surface might be a bit coarse, hence a light sand between coats to smooth it a bit

Why does my paint tin say to sand between coats?

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