Runoff from the dormers will slowly erode granules of the main roof at the dripline especially where the dormer eves are highest and runoff falls the farthest before hitting the main roof where runoff will.
Do you need gutters on dormers.
Posted december 1st 2017.
He had a leak and we tracked it all the way back to a gutter cutback.
Rain gutters are the most controversial type of gutter.
The gutter should be there but there should be a downspout running from the outlet to the lower gutter as described in this answer.
If you have a metal roof you do not need to worry about the roof shingles weakening and decaying from water.
I just had a client with a roof like this the other day.
Some roofers even advise against them.
For the first 2 3 years we did not have any gutters on the dormers but when it rained heavy the gutters on the house could not take the extra water from the dormers and we have deepflow gutters on the house.
Gutters are open at the top to catch rainwater flowing off the roof directing it into the downspouts.
The dormers are gable type having 3 visible fascias and do not have gutters or downspouts.
After all they are prone to clogging attract nesting birds can only handle a limited volume of water and can eventually pull away from your roof or tilt.
We also fix water damage caused by clogged gutters to keep your siding looking like new.
Ask the inspector to send you a copy of the code she is referring to or if not you are requesting her to pass the inspection at once.
How can dormer gutters cause leaks.
Should the dormers have gutters and downspouts.
Dormers are not required to have gutters and there is no international code that requires gutters either.
You could end up with a leak.
Gutters are the horizontal metal usually aluminum part of the system that are usually installed along the eave edges of your roof or along roof features like dormers.
If you are like many homeowners you have probably wondered whether gutters are even necessary.
That does not mean however that the city has their own code that requires gutters.
If this is the case you may also need to consider replacing your lower gutter below the dormer with a 6 oversized gutter.
If you decide to install gutters you also need to clean and maintain them to prevent the problems described above.
I recommended he just take the gutters off the dormers.
Do you have gutters on your dormers.