It's good for sanding large flat areas if you have the help of the right tools such as a hand sander, a sanding block like the SATC Hand Sanding Block from Amazon or a piece of the right size scrap wood to wrap the sandpaper around. Sanding wood by hand gives you fine control over the sanding process for a more precise and refined finish. Below we explain the situations when you might sand wood by hand versus picking up the power tools. This depends very much on what wood you are sanding and what project you are working on. Grits below 40 only need to be used on wood that has a lot of paint or varnish to be removed.įor most DIY sanding projects you will need 60-240 grit sandpaper (Image credit: Steven Jenkins) Should I sand by hand or use a power sander? Extra fine grits like 400 are used to get a really fine finish on wood for waxing and polishing. Girts above 240 can be used between coats of paint to help get a super smooth finish. Do I need extra fine or extra coarse sandpaper?Įxtra fine and extra coarse grits are only used for more specialist jobs and typically you will rarely need them. 220 grit is often a good choice to finish up wood ready for varnish or stain and rubbing down filler on walls. It gets rid of minor imperfections and improves adhesion for new paint. 120-180 grit is ideal for sanding down previously painted surfaces that don't need a lot of work. This is a commonly used grade in a lot of home DIY projects, especially painting projects such as painting skirting boards, windows and doors. This is a good choice for bare wood finishes such as coarse cut timber, wood that has been stripped and needs to get rid of leftover paint, and rubbing down previously painted woodwork ready for painting. This is good for removing old layers of paints and varnish and the aggressive nature of the grit means that you can get the job done pretty quickly especially if you use the best orbital sanders, or other power sanders. Here's the different sandpaper grades and grits to help you choose the right one for your DIY project:
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