"We were very pleased with the promptness and efficiency of the repairman and helper you sent with a replacement glass for the center section of our large bay window. It was installed within... » more
- Curtis and Eleanor Ford of Davenport, Iowa


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Racking

Movement and distortion of sash or frame because of lack of rigidity, or can be caused by adjustment of ventilator sections. Puts excessive strain on the sealant and may result in joint failure.

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