I have a torchdown roof with built-in gutters. One side of the roof only has one downspout in the middle, and water is pooling up at the ends of the gutter instead of draining into the middle. I'd like to add downspouts at both ends, but I'm not sure how to do that. Can I just cut through the membrane, drill a hole in the sheathing and add some sort of scupper to attach the downspout to? Thanks in advance...
Adding new downspout to torchdown roof
- Thread starter grebus
- Start date
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basically yes.
the success of the job will largely depend upon how well you seal the scupper to the deck and how well you join the membrane to the scupper.
a large cut in the membrane may be necessary, say 2 foot square. this will make the repair slightly easier.
be warned, you are making a cut into an area of the roof that is already vulnerable and susceptible to ponding.
the success of the job will largely depend upon how well you seal the scupper to the deck and how well you join the membrane to the scupper.
a large cut in the membrane may be necessary, say 2 foot square. this will make the repair slightly easier.
be warned, you are making a cut into an area of the roof that is already vulnerable and susceptible to ponding.
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