Floor Sanding Grades

Just abide by all the sanding rules to avoid destroying your floors.

Floor sanding grades.

Most sanding jobs start with around 36 or 40 grit sandpaper working up to around 120 grit for the final sand. Initial efforts in hardwood floor sanding. The only exception would be a clear satin finish in which case you may want. More facts on sandpaper types.

That way you ll get a heads up on and hopefully the knowledge to avoid some of the problems you might encounter and some of the mistakes beginners make. Besides the grits and grades sandpaper is made out of materials that vary chemically. If this is the first or second drum sanding then feel free to lay down hard on those floors with a coarser grit provided the floor has imperfections that warrant this. If the floor was previously sanded with the grain sand the floor again in the same direction if the floor was sanded up and down use the same procedure but start the the opposite wall so that each strip is sanded in the opposite.

We generally use this grit when first smoothing pine redwood cedar. The only very minor flaw is that there are areas where a finer grade of sandpaper should have been used in the sanding process because you can see the scratch marks in the wood from the sanding process in the corners of the room. Sanding a wood floor is a multi step process. Lastly enamel paints and polyurethane don t require the wood to be sanded beyond p120.

Selecting the right sandpaper grit and type for your diy job get to know how different grit types and grade impact the sanding process so that you always choose the right supplies for the project. The lower the grade the rougher the sandpaper. Advcer 15pcs 4 wet diamond polishing pads set 50 to 3000 grit hook and loop backing sanding discs ideal buffing kit for granite concrete marble stone countertop ceramic floor grinder or polisher 4 4 out of 5 stars 7. Not only would i advise against sanding i would advise you to lay down all new floors.

Use it for extremely rough surfaces when wood has dips gouges. Sandpaper grits for wooden flooring generally range from 16 through to 150 grit with 16 being the most aggressive and 150 the finest. P120 sandpaper any wood that was too soft for p80 will start the latter at p120. None of it is rocket science but it will help you to read through all the sanding pages including first things first working with sanders and edgers and the sanding faq before you begin.

Change the grade of abrasive on the belt sander to a finer grit size and repeat sanding over the floor. It can be made from the grains of a natural mineral called garnet or from synthetic ones like aluminum oxide alumina zirconia or silicone carbide.