Old 05-31-02, 08:11 PM
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my home is block, how are windows, (mine are aluminum frame)normally installed? I mean, are they screwed into block mortar joints and then caulked around the edges, or are there special attachment brackets that fit into the mortar joints? info - The dry wall buts up against the window frame on the inside and the frame is caulked to the block on the outside.
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Old 06-01-02, 05:38 PM
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Here, they are installed one of two ways I've seen.

Least commonly, screws go thru the frame and into an anchor in the block....usually commercial jobs, and the screws are obvious.

Most commonly, the window has a "nailing flange" that runs perpendicular from the frame on the outside, and in the case of block, the flange isn't nailed but slides into a vertical groove on the block centers as the block is laid. If you look on an 8" corner block ( square ends), on one end of the block you see this vertical slot. As the window ( or at least the frame) is put in when the block is laid, the only way to remove it is take out the sashes and apply a crowbar to the frame and wreck it out.
Old 06-01-02, 08:35 PM
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thank you so much - that totally makes sense

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