How to Glaze a Casement Window
The glaze on a window is an extremely important, but often underrated, aspect of the window's construction. A film of glaze can be laid over the glass of the window to "tint" it, but more important, the glaze putty that holds the glass in place against its frames works to both keep heat in and keep weather out. If your casement window has glaze that's cracked and needs to be replaced, or you're glazing a casement window for the first time, do so before the cold and rain of winter arrive. Does this Spark an idea?
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Things You'll Need
- Gloves
- Putty knife
- Heat gun
- Glazing primer
- Glaze putty compound
- Paint brush
Instructions
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Remove old, cracked glaze putty if you're reglazing your casement windows. The glaze putty is the layer of cement-like material that lines the window in the frame. Heat a section of putty with your heat gun and use the putty knife to pry it out. Move along the window repeating this process until you've removed all the glaze putty. It might be necessary to do both sides of the window to remove all the putty.
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Prime the wood of the window frame to receive the new glaze putty. Paint primer, available at home improvement shops, along the bare wood inside the window frame, using the paint brush.
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Apply new glaze putty compound, available at home improvement shops. Put the can of glaze putty in a pot of warm water to make it easier to spread. Dip your putty knife into the can and spread an even layer of glaze putty over the seam where the glass of the casement window meets the wood of the window frame. Smooth the compound over, and allow several days for it to set.
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Tips & Warnings
Glaze windows in greenhouses to increase insulation and maintain heat for plants, in the same way you would maintain heat for houses.
Applying heat to glass for an extended period of time can crack the glass.
