Gaps – Seasonal and Abnormal

Gaps

Gaps

Environmental control

Gaps

Check relative humidity and temperature

Gaps

Check floor flatness

Measure gaps

Gaps

Check hardwood moisture

Gaps

Gaps

Floating floor locked in place

Floor locked in place at heat vent

Gaps

What You Need to Know

Abnormal gaps, are gaps that are prominent spaces between boards, non-seasonal (they do not close at any point during the year), and occur at a regular frequency.

Wood is a hygroscopic natural material. It shrinks and swells as it loses or gains moisture in response to moisture changes in its surrounding environment.

Industry Standards

The N.W.F.A. Technical Publication No. A100 “Water and Wood” Page 4 states “Wood is hygroscopic – meaning, when exposed to air, wood will lose or gain moisture until it is in equilibrium with the humidity and temperature of the air.”

Seasonal/Normal Gaps
DEFINITION: Gaps that appear between individual boards, opening and closing with…..

Technical Guidelines

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