Sanding Marks (Drum, Edger and Chatter)
What you need to know
The National Wood Flooring Association states the following on page 39 of the 2018 publication, Problems, Causes and Cures
DEFINITION: Sanding imperfections seen as drum marks, side cuts, sanding scratches, or swirl marks. Sanding marks should be viewed from a standing position on the floor being assessed, in ambient lighting conditions. Glare from a direct light source must not be used during evaluation. Inspection may take place from floor level and/or with assistance of magnification in order to determine causes of irregularities, but not to determine acceptability.
Causes:
Splits – Cracks
August 7, 2023
The 2018 National Wood Flooring Association Publication C200, Problems, Causes, and Cures, states the following on page 14. Splits/Cracks Definition:...
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Wood Distortion
December 5, 2022
What you need to know The National Wood Flooring Association (NWFA) states the following on page 4 of the 2018...
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Wood Shear (Engineered Flooring)
January 1, 2022
What you need to know The National Wood Flooring Association (NWFA) states the following on page 9 in 2018 Technical...
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Hollow Sounds
October 20, 2021
The National Wood Flooring Association (NWFA) states the following on page 28 of the 2018 Technical Publication C200, Problems,...
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Dry Cupping – Engineered Hardwood
March 22, 2021
What you need to know The National Wood Flooring Association states the following on page 8 of the 2018 Technical...
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White Lines
March 17, 2021
What you need to know White Line Syndrome (WLS) is a condition that can occur on a site-finished floor that...
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Water Damage
March 17, 2021
What you need to know Water damage to laminate and hardwood flooring can be caused by several factors: Moisture seepage:...
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Vapor Retarder
March 16, 2021
What you need to know A vapor retarder is a vapor-resistant material. In new construction, vapor retarders are often architecturally...
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Splinters (Slivers)
March 16, 2021
What you need to know The National Wood Flooring Association states the following on page 14 of the 2018 Technical...
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Side Bonding
March 16, 2021
What you need to know Side bonding is a condition whereby wood flooring boards are unintentionally glued together along their...
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