Gutter Downspout Onto Lower Roof Uk
March 26 2012by charles buell42 comments.
Gutter downspout onto lower roof uk. When this happens it can cause an assortment of damages to your home. This is a very common problem we run in to. We have torrential downpours here occasionally and i am concerned that this will ruin my roof. This is the proper way to install a downspout when it has to go across a lower roof.
That s when your upper level gutters the gutters highest on your home empty out onto your lower level roof only to be recollected by the lower level gutters. Gutter talk lets talk roof gutters and downspouts. Am i right to be concerned. We always suggest connecting the upper level gutters into the lower level gutters using downspout extensions for many reasons.
There is no building code citation that forbids a gutter from draining onto a lower roof. I have an upper roof downspout emptying onto a lower roof. I just had gutters installed by a reputable company but am concerned that one of the downspouts on the upper level of a split roof empties onto the lower roof. Also a gutter in a dormer that had no downspout but had the back end towards the roof surface open and the water just flows out the back and onto the lower roof.
The downspout exit sits near the side of the lower roof and water falls off the side before continuing down to fall into the lower roof gutter. I called these out and the owner sent the report to the builder toll brothers. Buy enough gutter for both the upper and lower roof edges. 2 or 3 story homes are sometimes built with a design flaw.
The contractor said this is a perfectly normal installation. Many instances of downspouts from upper dormer gutters emptying directly onto the lower roof. 2 purchase enough downspout leader to reach from the upper roof gutter to the lower roof gutter as well as from the lower roof gutter to. 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.
While this makes the building look interesting it increases the risk of water discharging from either a high level inclined valley or gutter onto a lower level roof. Once the designer has determined the roof shape rafter pitch and roof covering then there is little the roofing contractor can do to prevent some of the problems associated. Generally a contractor that drains a gutter onto a lower roof will say that it is an industry standard whereas a contractor that rants against it will say that it s not best building practice.