5/2/2024 0 Comments Sandpaper grit chart![]() ![]() You will then be ready to purchase the correct sandpaper and tools for your project to go smoothly. This sandpaper is often used for final sanding before a project is completed.Įxtra-fine Sandpaper, including paper with 240-grit to 600-grit, is used between paintings or varnishing and is best suited for polishing jobs.įamiliarize yourself with these sandpaper grits before hitting the hardware aisle. Medium Sandpaper ranges from 60- to 100-grit paper and is used with final shaping, primary sanding, and removing of planning marks on wood.įine Sandpaper, ranging from 120- to 220-grit, is used in most home workshops. This sandpaper runs typically in the 40- to 50-grit range. It ranges from 24- to 36-grit sandpaper.Ĭoarse Sandpaper works best on shaping rough wood or removing previous finishes like polyurethane. Remember these characteristics of the various levels of coarseness.Įxtra-coarse Sandpaper is used primarily for tough jobs like removing paint and varnish or sanding old floors. Some projects may call for a certain coarseness of sandpaper instead of a specific grit. The lower the grit number, the larger the grain and coarseness of the sandpaper. The higher the grit number, the smaller the grain and the finer the sandpaper. The size is determined by a gradation scale established by the Coated Abrasive Manufactures Institute (CAMI). Review these recommendations for the best choice for your project.ĭifferent projects require different grit sizes. Selecting the correct grit of sandpaper can be confusing. These particles are sifted and sorted by size before being applied to paper with adhesive, thus creating the abrasive and handy helper. The CAMI scale is very similar to the FEPA scale, especially in the more commonly used sandpaper grades and grits such as 60-300.Despite its name, sandpaper is not actually made of sand instead, it consists of grains or grits from natural or synthetic sources. They use numbers only and are not preceded by a letter. In the US sandpaper grit is governed by the CAMI (Coated Abrasive Manufacturers Institute). The scale is based on the diameter of the average particle size in microns. This is represented on the back of a sheet of sandpaper with the letter P e.g. Sandpaper grit in the UK and Europe is graded by FEPA (Federation of European Producers of Abrasives). It's often used on rough timber that needs to be smoothed out and the first sanding when sanding floorboards. It is used for jobs that have a lot of paint or varnish to remove. This sits below coarse sandpaper and includes 24 and 36 grit sandpaper. Most workers get the best results from 150-grit drywall sandpaper. It can also be used to smooth out a top coat and fine wet sanding. Best Results From 150-Grit Drywall Sandpaper. Grits above 320 such as 400 to 600 are typically used to get a really fine finish on wood ready for waxing or polishing. Higher grit sandpaper such as 320 grit will provide an even smoother finish between coats. ![]() The common choice amongst DIYers is 240 grit, which is used between coats to smooth the previous layer of paint ready for the next to help ensure a smooth finish. It is also the common choice when sanding painted walls, smoothing out plaster and rubbing down filler to blend in with the surface it's on. It is also used on bare wood to smooth out ready for the first coat of paint or varnish. It gets rid of any minor imperfections and roughs up the surface to provide good adhesion for a new coat of paint. Painting projects often use 120-180 grit for sanding down previously painted surfaces. This ranges from120 to 220 grit and is one of the most commonly used grades in home DIY projects. It is also a good choice on windows, doors, skirting boards that have a lot of layers of paint, especially poorly-applied paint. It's often the first option on old bare wood such as doors and door frames that needs to be smoothed out ready for painting. This ranges from 60-100 grit is and is typically used on bare wood finishes that have coarse cuts and need the quick removal of splinters etc.
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