Hollow Sounds
Excessive fastener spacing
Destructive testing
Destructive testing
Lack of Adhesive
Lack of adhesive
Lack of Adhesive
Hollow noise area
Flatness issues
Flatness issues
Hollow Sounds (Hardwood)
Floor Detective® Defect Guide
What You Need to Know
• Hollow sounds are audible tonal differences perceived when foot traffic passes over an installed hardwood floor
• The condition may occur with or without visible movement or vertical deflection of the flooring system
• Hollow sounds are commonly associated with the interaction between …
Technical Guidelines
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