FLASHING-A SMALL DETAIL THAT CAN CREATE BIG PROBLEMS
Posted in Roofing on April 1st, 2010 by admin
In this photo, you can see we had to remove and replace almost all of the materials surrounding the front door of this home. The culprit was the flashing.
When it comes to residential roofs, the main purpose is to create a barrier between the interior of the home and the weather and outside elements. Water is the most difficult element to control. Roof flashing is the last line of defense in the battle against water penetration. That’s why proper installation is so critical.
Flashing is critical where different levels of roofs intersect and where roofs end. The most common locations for roof flashing are at valleys, chimneys, eaves, skylights, ridges, and at roof-to-wall intersections – basically, anywhere there’s an edge or a break in the plane of the roof. These are the areas where gravity, surface tension and wind pressure will encourage leaks.
In this particular home, the step flashing, where the roof above met the wall, and specifically the “kick-out” flashing at the bottom of this roof caused rot in the sheathing, siding, trim and the door itself. We do lots of repairs like this one that happened to be on a home of one of my next door neighbors.
Make sure when you hire someone to repair or replace your roof, it’s a professional with a proven track record. Otherwise, in a few years, you may be repairing damage to other areas of your home.
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