How to Weatherstrip Windows?
Contents

How do you seal a casement window?

To seal casement windows, you will need to apply weatherstripping around the window jamb, right beside the stops.

Use vinyl V-strip or adhesive foam (closed-cell is best) on vinyl or metal windows.

First, clean the stops thoroughly.

How do you weatherproof a double hung window?

Weatherstripping Double-Hung Windows

  • Clean the bottom of the sash with soap and water and let dry.
  • Cut the foam weatherstripping to length.
  • Peel the back from the foam.
  • Clean the jamb with soap and water.
  • Cut two pieces of V-channel 1 inch longer than each sash height.
James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.

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