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2018 National Home Improvement Estimator, All Rights Reserved Page 155

Replacement Windows
Figure 8-12 shows a double-casement window too decayed for repair. The replacement window (Figure
8-13) preserves the appearance of the old window but adds modern comfort and convenience.

Windows made for new construction have a nailing flange that laps over the exterior of the rough
opening. For replacement purposes, that requires removal of the siding or stucco around the window
perimeter and either a lot of patching or some very wide casing. Replacement windows fit into the
existing jamb and have only a slightly wider casing to hide what’s left of the old window. Be sure to
specify the type of window you’re replacing, either brick mold frame, wood frame or metal frame.

No special tools or equipment are needed to install a replacement window. But the window has to fit the
opening exactly. If you’re lucky, a stock size replacement window will fit. The tables that follow in this
chapter list stock sizes for both replacement windows and new construction windows. If a stock size
doesn’t fit the opening, consider adding blocks and cripples so the opening fits a standard size
replacement window. Of course, you’ll need wider casing to cover the extra framing width at the head
and jamb. If reframing the window opening isn’t practical, order a replacement window custom-made to
size. For a price quote on the Web, go to http://www.thewindowsite.com.