making window frames

Old 11-15-05, 07:38 PM
Canoe man
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Smile making window frames

I want to make some fixed window frames for a sunroom. This would be a second window pane for winter insulation, but it would be on the inside so weathering is not a big problem. I bought some 1/8 inch thick glass, and was going to make some pine frames, but I cannot find information on how to make them. I heard that the pane has to "float" so it does not break with expansion and contraction of the frame. Is there a rule of thumb on how much extra space to leave in the dado?
Old 11-16-05, 02:55 AM
johnam's Avatar
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The glass should be at least 1/8" less than the frame opening in both width & height. If you are holding the glass in with moldings, apply a light bead of caulk to set the glass into the frame (to prevent rattle) and then nail the molding so that it just sits against the glass.

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