Q: During wind driven heavy rain, I get water coming in at the top of several windows. The single-story ho me is sheathed in plywood that is cover in poly sheeting. I removed the top outer trim on top of a leaking window and found no water behind the trim or on the exterior portion of the metal window frame. The water appears to be coming down the sheathing BEHIND the poly. … [Read more...] about Why Is Water Leaking Above Windows?
Window Flashing
How to Install Flange Windows with Felt Paper
Q: I am installing a new window in a garage wall in California. The window manufacturer states in the instructions that a backing (not more than 1/8 inch thick) "MUST" be installed for "open stud" construction. This is my case (open stud construction), and I planned to wrap my exterior wall with #30 felt. So, I searched the local lumber and box stores and found a 4x8 vinyl … [Read more...] about How to Install Flange Windows with Felt Paper
Black Stains Around Windows From Flashing Tape
Bill writes: We are having an issue with our 13-year-old house where it appears that the flashing membrane material has leaked out along the edges of our windows. This leakage appears black and we cannot figure out what else it could be. Since we are planning on replacing all the front windows of the house that face the summer sun, we are looking for other materials to use so … [Read more...] about Black Stains Around Windows From Flashing Tape
Leakproof Window Flashing
Sally asks: What is the best way to flashing around a window? Is the flashing part of the window or the building exterior? Also, should there be a flashing above the window to divert water away? Steve Bliss of BuildingAdvisor.com, responds: Water leakage around windows is one of the biggest problems in modern home construction, but you may not notice the problems until years … [Read more...] about Leakproof Window Flashing