Abstract
This study compared two different types of wood filler with respect to fill capability and relative shrinkage across varying levels of temperature, humidity and species of wood. Characteristics exhibited by the filler material are crucial for assuring the production and delivery of quality wood flooring. This research specifically focused on the investigation of relative shrinkage of filled voids in hardwood flooring before finishing. Both fillers were applied to a consistent premachined defect cavity and evaluated based on dimensional changes. Shrinkage data was collected using a coordinate measuring machine. Results showed that relative shrinkage of both wood fillers can be affected by variations in humidity while curing during an initial 1 h set time. This research aimed to improve production quality of hardwood flooring in western North Carolina and eliminate processing extremes at an industry client's facility.
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