What is the correct grade of sandpaper to create a key for paint?
- Thread starter dazzystar
- Start date
- Joined
- 24 Oct 2020
- Messages
- 5,934
- Reaction score
- 2,153
- Country
120 grade is the most common used grade. Can use on filler and to rub down old paint finishes.
If you just want to de gloss a finish then 180 to 240 depending on how rough the surface is.
Denib between coats you need 320 grade.
Sometimes you just have to try a few grades and see what works.
Also you can buy grades like 120 with a thick backing paper or a thin backing paper, so it depends what your are sanding it you need sandpaper which is a bit ridgied or flexible.
Start with thick green or yellow 120.
Buy some gray thinner 120 and 240.
See how that works for you and buy other grades if required
If you just want to de gloss a finish then 180 to 240 depending on how rough the surface is.
Denib between coats you need 320 grade.
Sometimes you just have to try a few grades and see what works.
Also you can buy grades like 120 with a thick backing paper or a thin backing paper, so it depends what your are sanding it you need sandpaper which is a bit ridgied or flexible.
Start with thick green or yellow 120.
Buy some gray thinner 120 and 240.
See how that works for you and buy other grades if required
120
DIYnot Local
Staff member
If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Are you a trade or supplier? You can create your listing free at DIYnot Local
