A few months ago I received a call from a prospective client who wanted to replace the casement windows in her home in Berkeley, Calif. I went over there thinking it would be a straightforward replacement. As soon as I saw the house, I could tell that replacing the windows would be a very difficult job. The yard was beautifully landscaped, and the 1920s Spanish Mediterranean home was in pristine condition.

Replacing the windows would require us to remove the interior trim and break out a lot of heavily textured stucco. Demolition would create a terrible mess, and it would be nearly impossible to patch this particular type of stucco without it showing. Even if we could patch the stucco, there was the question of what kind of windows to install....

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