Jump under 100 points with coarse papers 100 or more with medium and 200 or more with very fine papers.
Floor sanding grit progression.
Knowing how to keep the scratch pattern with the grain as much as possible minimizes edger swirl marks.
But most of us sand more than we need to so it s often more efficient to skip grits.
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.
We would start with a 40 grit skip 50 grit and sand with a 60 grit.
Skip 80 grit and finish sanding with a 100 grit.
Wrap the vacuum nozzle with tape to avoid marring the floor.
You may choose to skip the 20 grit pass if the floor is relatively smooth.
Sanding grit estimates vary according to the condition of your floor.
This process will give you a beautifully clean new looking floor with minimal waste and provide a good surface for finish that will maximize it s life.
This is usually the final grit for maple birch or other particularly hard woods and for any floor that you would like to stain.
Sanding to 200 grit and above will polish the surface and hinder pigment stain penetration.
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.
Even the best abrasives throw off a few granules while sanding.
A typical first cut with an edger is 60 or 80 grit then completed with 100 grit after the floor has been filled.
The rotary cut of the edger is the most aggressive cut of all the floor sanding machines.
Do not skip the progression from coarse grades to finer grades.
Dresdner offers the following rule of thumb for grit progression.
My preferred progression for a hardwood floor such as oak begins with 60 grit abrasive goes to 80 grit and finishes with 100 or 120 grit sand as though you are mowing the lawn.
Unquestionably the most efficient progression is to sand through every grit 80 100 120 150 180 sanding just enough with each to remove the scratches of the previous grit.
And a 36 grit granule caught under a 60 grit belt will leave an ugly gash in the floor.
Replace the abrasive belt after sanding about 250 square feet for most effective results.
This is usually the final grit for most standard hardwood floors.
Sanding a wood floor is a multi step process.
Takes out 60 or 80 grit scratch.
Start with coarse sandpaper of 36 to 40 grit progress to a medium 60 grit paper and finish with a finer 100 grit.
States that most furniture manufacturers seldom sand above 150 grit.
Can take out the scratch from 120 grit or 100 grit sandpaper if necessary.
