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Error message

  • The specified file temporary://file159k7j could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.
  • The specified file temporary://filewMTMgJ could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.
  • The specified file temporary://fileO6QfG6 could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.
  • The specified file temporary://fileMHC1yR could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.
  • The specified file temporary://fileIiyZvk could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.

Product Guide

Composite Wood

The best products...

  • Meet California Air Resources Board (CARB) no-added-formaldehyde (NAF) or ultra-low-emitting formaldehyde (ULEF) emissions requirements
  • Also contain FSC-certified wood, agricultural fiber, or recovered waste fiber

But watch out for...

  • Products with high formaldehyde emissions
  • Products with raw materials from less sustainable sources

More about Composite Wood

Is Particleboard Deadly? Formaldehyde Emissions Explained

Formaldehyde emissions from composite wood products will soon be strictly regulated in the U.S., but questions remain.

MDF Made from Rice Straw

In California, rice straw is replacing wood as a raw material in medium- and high-density fiberboards while making use of an agricultural waste product.