I just had new soffits, fascia, and seamless gutters installed on a 3-story
house I own. I had this done after a new roof (with all new plywood
decking, etc.) was put on a few weeks ago.
My question is about how the gutters get attached to the house. Since it is
an old house, some parts of the fascia are aluminum wrapped contoured would
trim, and other parts are flat fascia. Where it could be done, the
contractor screwed the new gutters directly into the fascia with no overhead
hanging straps. But, for other areas, the contractor needed to use hanging
straps that get attached to the roof.
For the areas where hanging straps needed to be attached to the roof, how
should that be done?
I always thought that the hanging straps should be attached by lifting the
first row of shingles and then nailing or screwing the straps to the roof
underneath that first row. However, this contractor just placed the metal
hanging straps on top of the shingles and screwed them in through the
shingles into the roof decking.
A neighbor of mine who owns a number of properties that he has had rehabbed
said that's how they do it now. When I said I thought that could cause roof
leaks he said that they use clear caulk where the screws go in to prevent
leaks. In my case, the contractor didn't use any caulk - he just screwed
the straps through the shingles and into the roof decking.
So, how should these hanging straps be attached to the roof?