The water is allowed to run on the roof surface and is collected by the lower gutters. The gutter should be there but there should be a downspout running from the outlet to the lower gutter.
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But my seamless gutter guy is saying this isnt commonly done and the lower gutter is usually the one that catches the valley raindebris.
Should dormers have gutters. Hip and gable dormers often have gutters but no downspouts. 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 have the greatest impact energy. It is very common for dormers and other roof structures that have gutters above the level of the gutters on lower portions of the roof to empty on.
160865 the question concern is what to do about rain gutters. For the first 23 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. Im looking for advice on how best to deal with raingutters.
It is very common for dormers and other roof structures that have gutters above the level of the gutters on lower portions of the roof to empty onto the roof surface. Since the dormer extends out past the main roof some looks like about half of the water would fall to the ground below. An experienced do it yourselfer may be able to install gutters and slope them correctly to downspouts when they are going on.
Should the dormers have gutters and downspouts. Hey folks we are having a bedroom built above our attached garage. Depending on the type of dormer you have installed a couple of different gutter situations may be available.
The water was just going straight over the top of the gutter and also behind it down the fascia. To do this it looks like the end of the gutter needs to be fabricated to have a smaller angle than the non dormer roof angle. The pitch of your roof the number of cut outs you have gables dormers and perpendicular roof lines and the type of material covering your roof all affect the selection of gutters for your home.
Water runs down beside the dormer into a gutter below. This could cause problems with drainage puddling erosion and possibly lead to water infiltration. In this first picture one can see.
The gutters are often open at the end closest to the roof so water can run onto the main roof surface at the back of the dormer. It is basically one big dormer coming out of the garage roof like so. The dormer roof is actually set in about 4 6 from the main roof it does not line up.
Leaving gutters off altogether may not be the wisest idea because the rain dripping off of the edge will wear on the roof below it.
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