GYM Refinishing Maintenence-Gymnasium sanding

Gym Flooring Maintenance Gymnasium Hardwood Floor Sanding

The Refinishing of a standard MFMA Maple 2nd & better Gymnasium

click the thumbnails below for full size picture

Brief Description

Gymnasium Maple hardwood floors require a sticky surface not a slippery one.

A gymnasium maple floor may have been previously coated in a POLOPLAZ™ Moisture cured urethane finish,

or perhaps a two component water borne such as Bona™ Traffic or Basic Coatings™ Street Shoe

GLITSA, BONA, BASIC COATING, POLOPLAZ, ENDURA, TORGINOL,

Or a urethane coating such as Magee™ Urethane 350

The three are not compatible with each other so its is important to note that because thirty years of experience in hardwood flooring applications of all types

I can Identify what coating is currently employed.
more our gymnasium site.... VANCOUVER GYMNASIUM

Basics of Sanding a gymnasium hardwood floor to bare wood and Graduate the sanding process down to a super smooth burnish which is a glazing of the raw maple floor surface.

Above showing the Clarke American Twelve Hardwood floor Sanding Machine which is a legend in itself

starting with Paper number 4 is 16 grit sanding paper the sanding will be run at nearly 45 degrees on high tension and a a dead crawl walk pace

Next its paper #3&1/2 a 20 grit sand paper run this with a little less tension about the same crawl walking speed the opposed 45 degree path

Next is Number 3 a 24 grit sanding paper run this still with nearly a full turn back from where were on the tension settings run this paper at a slow walk at 5-7 degrees

Next run #2 paper A 36 grit take off 1/2 turn tension, regular sanding speed this sanding the opposed 5-7 Degree Path

Fill your floor now with troiwellable maple hardwood floor filler like Wood Wise or Dura seal

Take the filler off With #1/2paper a 60 Grit sanding paper, about same speed the thirty six paper was run and keep the tension the same as it was for the 36 pass

Fill the maple floor for the last time

Run your 100 grit or number#00, your machine should start running not walk speed

finally take your new 100 grit paper start your machine and swipe across the drum while running twice or three times straight across

now run this burnish paper approximately the same speed with slightly more drum about 8 inch at a time.

screening or burnishing the bare floor

Overlaid Game court Markings are not the typical way to have your game courts markings

But is more attractive an appeals to the more professional finished look.

Main basketball court NBA showing the solid basket ball keys and team emblem Banner

Below a few thumbnails of this finish project of approximately twenty days