Standard Roof Gutter Dimensions

Design of roof drainage systems roof drainage the roof is one of the most essential parts of a building as it protects occupants contents and interior of the structure from the elements.

Standard roof gutter dimensions.

Calculate roof area to be drained by your gutter system and note roof pitches. Dimensions for standard k style gutter sizes. It also comes in sizes 2 3 and 3 4. Therefore this roof should be equipped with 6 inch k style gutters.

The second most common style of downspouts in urban homes is the rectangular downspout coming under a range of sizes such as 2 3 3 4 and 4. Currently there is no standard in the roof drainage industry but these concepts are based on handed down experience. Increase the pitch of the gutter. In sizing rain gutters the following consideration are important.

They can be 4 5 or 6 inches. Gutter sizing step 1 determine roof area to be drained. This type of down spout is considered the standard downspout style in households and is used with a 5 k style guttering system. Gutter sizing step 3 calculate water flow during rainfall extremes gutter sizing step 4 calculate water handling capacity for gutter downspout options.

You can measure pitch with a 2 foot level and a tape measure. Hold one end of the level against the roof level it and then measure the distance between the roof and the underside of the level at its midpoint which. Choose from a wide range of colours and a huge range of guttering profiles to compliment any architectural style from modern homes to heritage buildings. Downspouts also come in different sizes such as 2 3 inches and 3 4 inches in size.

The standard is about inch per 10 feet. Roof pitch is very important for right roof gutter sizing. Increasing the pitch increases a gutter s handling capacity but the gutter may look askew over a long run. The steeper a roof s pitch the more windblown rain it can collect.

You have three options. The above recommendations assume that you have properly sized downspouts every 40 feet. Get 7 or 8 inch gutters. What if the runoff is off the chart for standard gutters.

One foot of 5 k style gutters holds 1 2 gallons of water. When you are completing a gutter replacement the first point to note is that gutters come in different sizes. Once an architect has determined the kind of roof he intends to use he must give equal attention to the design of the roof drainage system.