Cupping

Cupping

Sierra Exif JPEG

Cupping

bamboo cupping-2946

Cupping

Sierra Exif JPEG

Cupping

Sierra Exif JPEG

Moisture imbalance

Sierra Exif JPEG

Cupping

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Moisture imbalance

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Moisture imbalance

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Measuring cupping at different depths within the board

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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

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