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Casement Windows

Gerkin casement windows are designed with performance in mind. Home owners with casements know that one of the most important features of a casement window is the operating mechanism. Gerkin made sure theirs are the best by installing Maxim Rotocrank hardware, which provides unbelievable leverage and power, for easy opening and a tight seal when locked.

4300 Series Casement Vinyl Window

The Comfort Series 4300 Casement window has air infiltration ratings that are tighter than some other manufacturers fixed windows! With twenty-one chambers of fusion-welded vinyl, this casement has uncommon strength, warmth and overall long-term performance characteristics.

Click to see the Casement Brochure.


  • Multi-Point Lock System
  • Truth's Maxim Rotocrank Hardware
  • Interlocking Hinge Side Locks
  • Triple-Seal Weatherstripping
  • Professionally installed by