Cupping

Cupping

Sierra Exif JPEG

Cupping

bamboo cupping-2946

Cupping

Sierra Exif JPEG

Cupping

Sierra Exif JPEG

Moisture imbalance

Sierra Exif JPEG

Cupping

Sierra Exif JPEG

Moisture imbalance

Sierra Exif JPEG

Moisture imbalance

Sierra Exif JPEG

Measuring cupping at different depths within the board

Sierra Exif JPEG

Board edges are higher than the centers

Sierra Exif JPEG

Cupping

Sierra Exif JPEG

Board edges are higher than the centers

Sierra Exif JPEG bamboo cupping-2946 Sierra Exif JPEG Sierra Exif JPEG Sierra Exif JPEG Sierra Exif JPEG Sierra Exif JPEG Sierra Exif JPEG Sierra Exif JPEG Sierra Exif JPEG Sierra Exif JPEG

What you need to know

Cupping of hardwood appears as a convex or dished surface profile across the width of boards and occurs as a result of a moisture imbalance, whereby the bottoms of the boards contain higher moisture than the tops. Oftentimes a cupped flooring surface will appear as a rippled or washboard in the installed floor. Lighting conditions often enhance the cupped appearance of the floor. The source for cupping is environmentally driven and most commonly originates from elevated moisture conditions in the subfloor, which then infiltrate into the bottom of flooring boards following installation and cause a moisture imbalance. This condition can develop …..

Industry Standards

The 2018 National Wood Flooring Association publication C200 hundred, Problems, Causes and Cures states the following on page 6.

Cupping: definition: A concave or…..

Technical Guidelines

Please subscribe to see all content

Wood Shear (Engineered Flooring)

What you need to know The National Wood Flooring Association (NWFA) states the following on page 9 in 2018 Technical...
Read More
Wood Shear (Engineered Flooring)

Hollow Sounds

  The National Wood Flooring Association (NWFA) states the following on page 28 of the 2018 Technical Publication C200, Problems,...
Read More
Hollow Sounds

Dry Cupping – Engineered Hardwood

What you need to know The National Wood Flooring Association states the following on page 8 of the 2018 Technical...
Read More
Dry Cupping – Engineered Hardwood

White Lines

What you need to know White Line Syndrome (WLS) is a condition that can occur on a site-finished floor that...
Read More
White Lines

Water Damage

What you need to know Water Damage from above is usually very readily apparent. It can be tracked with a...
Read More
Water Damage

Vapor Retarder

What you need to know A vapor retarder is a vapor-resistant material.  In new construction, vapor retarders are often architecturally...
Read More
Vapor Retarder

Splinters (Slivers)

What you need to know The National Wood Flooring Association states the following on page 14 of the 2018 Technical...
Read More
Splinters (Slivers)

Side Bonding

What you need to know Side bonding is a condition whereby wood flooring boards are unintentionally glued together along their...
Read More
Side Bonding

Shake (Wind)

What you need to know The Forrest Products Laboratory 2010 Glossary defines a Shake as “A separation along the grain,...
Read More
Shake (Wind)

Scratches /Dents/ Impact

What you need to know The National Wood Flooring Association states the following on page 67 of the 2018 Technical...
Read More
Scratches /Dents/ Impact