How to Replace a Skylight Efficiently and Effectively

When a homeowner reports a leaky skylight, the problem could be the skylight itself, the flashing around the skylight or simply excessive condensation on the glass. In the case of replacing the two more-than-25-year-old roof windows featured here, the main problem was that the insulating glass had failed—though some water staining was present.

Using that project as an example, builder and Journal of Light Construction contributing editor Emanuel Silva describes the belt-and-suspenders approach he used to install a pair of new Velux VS M06 manual "Fresh Air" skylights to replace the failing units. Silva noted that he paid a lot of attention flashing the new unit to the roof deck because that is where most leaks occur—regardless of why the existing unit failed.

To view the slideshow, click here for the full article from JLC.