Mystery Marks in the Wood Floor

Oct 28, 2013

Carpet Stretcher Marks

Have you come across marks this when you go to resand a wood floor? Do you know what they are?

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Some drum problems we see (clockwise from top left): a deep nail groove; chunks missing and the rubber almost melted on a rider drum; a chunk missing from next to the slot on a Galaxy drum from running it as a belt without having a shim in the slot; and a crack in the actual metal.

Get Better Sanding by Taking Care of Your Drum

January 18, 2024

Introducing Color Theory for Custom Wood Finishing

Introducing Color Theory for Custom Wood Finishing

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Q&A: What Are These Strange Raised Areas in this Wood Floor?

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Wood Floor Mystery #8: Is This Floor Fungus Among Us? Part 2

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Wood Floor Mystery #8: Is This Floor Fungus Among Us? Part 1

Troubleshooting

Get Better Sanding by Taking Care of Your Drum

Here are some tips from sanding drum expert Jerry Brainerd for getting a longer life for your big machine drums and ensuring you get better, more consistent sanding in the meantime.

Some drum problems we see (clockwise from top left): a deep nail groove; chunks missing and the rubber almost melted on a rider drum; a chunk missing from next to the slot on a Galaxy drum from running it as a belt without having a shim in the slot; and a crack in the actual metal.

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Embracing Change in Wood Flooring: Navigating New Frontiers

Horizon Forest Products

As a wood flooring business owner, dealing with these changes isn't just a good idea—it's a must for staying in the game and growing to the next level.

Embracing Change in Wood Flooring: Navigating New Frontiers

Troubleshooting

Q&A: What Are These Strange Raised Areas in this Wood Floor?

After sanding, water-popping and staining the wood floor, these strange raised areas appeared. What are they and where did they come from?

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Troubleshooting

Wood Floor Mystery #8: Is This Floor Fungus Among Us? Part 2

Wood flooring pro Stephen Diggins reveals what the mysterious black substance in the back of this consumer's closet that appears to be mold really is.

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Troubleshooting

Wood Floor Mystery #8: Is This Floor Fungus Among Us? Part 1

Wood floor pro Stephen Diggins' latest wood floor mystery involves photos of a floor that appear to show black mold growing on the floor. But is that what it is?

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Troubleshooting

This Unidentified Flooring Oddity Turned Out to Be ‘Resonance’

Sometimes the source of chatter on a wood floor is more typical and has something to do with only the sander ... and sometimes the reason involves more interesting physics.

Above left, the chatter marks showed up perfectly perpendicular to the floor, even when the big machine was run at an angle to the floor. Above right, the final result after sanding with a multi-head sander.

Troubleshooting

Wall of Shame: Client's Sand Job Leaves Species Unidentifiable

Wood floor pro Eric Cohen almost dropped the phone out of his hands at first glance of the floor.

Troubleshooting

Wood Flooring Wall of Shame: Shameful Sanding

Wood flooring pro Greg Wegrzycki shares a wood floor he saw that had some "interesting" sanding.

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Troubleshooting

Wall of Shame: What a Wood Floor Looks Like When You Don't Lift the Drum

Wood flooring pro Brad Nelson shares a job where they managed to fix the floor after the homeowner had used a big machine like a vacuum cleaner.

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Troubleshooting

Really Bad Wave ... and Why It Wasn't the Machine's Fault

Wood floor pro Stephen Diggins investigates the problems of a big machine that kept leaving wave on the floor ... what was it the machine?

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Troubleshooting

What Is a Common Sanding Mistake You See?

Four wood flooring instructors dicuss techniques to avoid the most common mistakes made when sanding wood flooring.

Troubleshooting

Shredding the Shake: Quick Buffing Job Ends in a Repair

A quick buffing before finishing a wood floor shreds a piece of shake and creates a perplexing repair job.

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Troubleshooting

Streaky Sanding: Advice to Eliminate Sanding Lines From Your Big Machine

Floor sanding expert Don Smithson offers advice on how to prevent your big machine from leaving streaks on your wood floors.

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