A Smarter Way to Flash
Removable two-part counterflashing allows access to roof flashings without digging in to the wall.
Synopsis: The best way to stop leaks from happening is to prevent them in the first place. Architect Harrison McCampbell recommends removable two-part counterflashing. Although it’s more expensive and more time-consuming to install, it saves time and money in the long run by protecting the bottom course of siding and by being easy to remove and reinstall when the roof is reshingled.
My work as an architect focuses on providing solutions to troublesome moisture-related problems with houses. Too often, this work involves finding and analyzing leaks rather than preventing them in the first place.
Because most leaks occur at edges and penetrations of the building enclosure (roof, walls, windows, doors), flashing plays a critical role in protecting a home against water damage. In a nutshell, flashing should tuck under what’s above it and over what’s below it, always with the aim of directing water toward the exterior.