Roof Rain Gutter Design

Gutter hangers and gutter brackets allow gutters to attach to a house s eaves offering support and strength to the front edge.

Roof rain gutter design.

Other pieces include elbows gutter extensions and gutter flashing. For practical purposes the roof gutter depths and areas used are assumed to hold true for all available gutter of a given style top width and material even though differences do occur. No more destructive ice dams from frozen gutters. Box gutters are valley like troughs at the edges of roofs which are concealed in appearance and don t draw attention from the beauty of the house design.

Roof area to be considered the design capacity for a roof drainage system depends on the quantity of water to be handled. Suitable for flattish roofs with little or no vertical faces or steep roofs draining to one side of box gutter only or any roof if you are in a hurry and make the necessary allowances for all catchments. But houses with big steep roofs or those located in climates prone to heavy downpours may need wider gutters and extra downspouts to keep rainwater from overflowing. The 5 inch option typically works for most residential homes but for steep sloped roofs 6 inches is preferred to accommodate the increased speed of the rain flow.

Box gutter and rain water head at end of box gutter allowance for vertical faces and catchments on both sides of box gutter. Built in gutters also called box or hidden gutters are actually a type of rain gutter and can replace the latter especially when the conspicuous appearance of the rain gutter is the main issue. A properly designed gutter and downspout system will take water from the roof of your house and direct it away from the house. The flows and capacities of the roof gutter and downspouts shown in this design guide are based on actual measurements taken from some of the materials available.

The rain intensity according to table 1 2 rainfall data and drainage factors uses a 5 minute duration for a 10 year or 100 year storm thereby providing a worst case scenario for the downspout and gutter design. Factors to be considered in the design of roof drainage sys tems are the area to be drained size of gutters downspouts outlets slope of roof type of building and appearance. Rainhandler gutter self cleaning dispersal system eliminates clogged over flowing gutters and downspouts. Gutters will end where the roof no longer slopes downward.

Without a gutter system water will simply fall off the roof and likely form pools near the base of your house. Gutter end caps close off the ends of gutters keeping debris and water from flowing out at this point.