Certifications
Wittrock Woodworking Inc. has been a long term member with
and is certified in various green programs.
Our services also include manufacturing:45 minute (Class C) Fire Rated door and
window frames. Many companies will claim to produce fire rated frames in accordance
with United Laboratories standards but don’t be fooled, if that company cannot submit
a registered form the purchaser is held liable and will not pass the fire inspection.
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