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Windows and Doors

Operating Problems

Problem: Difficulty in operating a door or window.

Cause: Warping of wood doors (Figure 1).


  • Concrete pouring, drywall finishing and painting can cause high humidity levels. Provide ventilation during construction.
  • Store doors flat unless they are pre-hung.
  • Delay painting of exterior wood doors until the moisture content of the wood has stabilized. Seal the bottoms and tops of the doors to prevent moisture absorption.
Pre-Hung Exterior Door With Sidelights
Figure 1 - Pre-Hung Exterior Door With Sidelights