My brother-in law had a bay window install as part of a kitchen renovation. Now the water coming off the roof runs over the face of the window. The idiot that built the house made a very short sofit . I have seen water diverters ( basically a metal vee install under the shingle edges). My question is are these premade, or made up in the field ? Is there a standard height? I don’t mind experminting on my house but not thiers. Any direction would be great!
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They just showed one on This Old House yesterday. They are made up in the field of 6" wide galvanized drip edge which is cleaned and painted black. It is mounted upside down tucked under shingles, and nailed. The nail heads are under the shingles, of course, and sealed with a mastic which also holds the tabs down.
Let's back up and figure out why the guy who built the house should be termed an idiot?
Did he design the house too?
Is the size of soffit overhang otherwise fine except for the bay window which he obviously did not design for?
Did he do the lousy job of installing the bay window?
In my mind, the one who should be called an idiot is the one who installed that bay window without enough of a roof on it to shed the water past the glazing. He must notr have been thinking.
Roof diverters are an easy solution for lack of planning or poor design though. Can be as simple as several pieces of rake edge metal or a mmade up piece
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What I mean by idiot is in the past 12 years I have fixed everthing from poor venting of roof and plumbling, electrical problems, bad stair layout, improper deck attachment, leaky windows, doors not installed right, and list goes on. The guy was not a contractor, but he could make it LOOK good , over time, problems showed up. As my sister and her husband did better in thier jobs, they hired a qualified contractor to correct and up date the house. The bay window was a part of an kitchen update.
all right now, I can see where the original guy might deserve the title, but since ity looks like the current QUALIFIED contractor is the one who installed the bay in such a way that the water runs where it should not, he should share the crown of glory in the indictment, right?
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Why not install a full length of 5" one piece gutter to the slight overhang above and direct all the upper roof water away.
Sounds like with minimal overhang the siding is getting more water than you might like too.