Latest Discussions : Flooring & Stairs

Jelizuba

05:57AM | 03/07/05
Member Since: 07/13/04
10 lifetime posts
Can someone please tell me what is the purpose of sanding between the coats of polyeurethane when refinishing wood floors?

Is it to make the surface smoother and get rid of air bubbles? Or will subsequent coats not stick unless the floor is sanded?

I can't handle the large floor sander, so I have been working on the floors with a palm sander. It has taken a few weeks but I am finally ready to put the sealer on and would really like to not have to sand the entire 1000 square feet or so by hand in between coats unless it is absolutely necessary.


homebild

07:03AM | 03/08/05
Member Since: 01/28/03
693 lifetime posts
One sands between coats to remove dust and dirt particles that will have lodged into the drying varnish and also to remove any bubbles that may have formed.

Sanding is really usually done by 'screening' with a manual pole sander.

Sanding screens are placed on the pole sander (the same type used for drywall sanding) and you push the pole, sander and screen across the floor while standing.

There is no need to push other than lightly to get up any major flaws in the finish.

Subsequent coats of varnish will make up the difference.


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