Floor Squeaks: Causes, Solutions and Prevention

Squeaks are a common, but preventable, problem in floor systems. There are many causes for creaks, which can originate in many places: for example, between subfloor and underlayment, subfloor and joists, joists and bridging, and nail and panel. Each floor squeak problem is unique and requires a careful inspection to determine the cause and proper solution.

This publication is designed for: designers, architects, engineers

This Technical Note identifies typical floor squeak causes and provides corrective and preventative measures.

Key causes of floor squeaks discussed:

• Wet or green lumber

• Improper panel spacing

• Improper glued floor construction practice

• Improperly driven nails

• Blocking and bridging

• Interior wall partition

• Joist hangers

• Subfloor and underlayment or finish wood flooring connection

• Cement-coated nails

• Ductwork

• Variation in joist depth or straightness

• Noisy tongue-and-groove joint

Published by APA — The Engineered Wood Association.