Northshore Exteriors Gutter Sizing

Roof area the locale s rainfall intensity and gutter capacity determine how many square inches of downspout are needed.

Northshore exteriors gutter sizing.

Doubling the number of downspouts halves the required capacity for each. Then use the chart below to see what size gutter you need. Adding additional downspouts will require less gutter and downspout volume resulting in smaller gutters downspouts. Northshore owns both large and small profile gutter rollers that are capable of fabricating long lengths of gutter without any joints.

Northshore owns both large and small profile gutter rollers that are capable of fabricating long lengths of gutter without any joints. 2020 northshore exteriors inc. If a roof s various drainage areas call for different size gutters go for the biggest one k style. Also see our gutter sizing calculator.

Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. Come visit our selection of quality products. Northshore exteriors 11831 beverly park road building c everett wa 98204. 6 inch 7 960 square feet.

Contact an saf commercial gutter pro now. 2020 northshore exteriors inc. 5 inch 5 520 square feet. By reducing the downspout spacing to perhaps 35lf you could use a 6 gutter with 9 4 x6 downspouts in lieu of an 8 system.

We are unique in that we bring precision advanced cnc fabrication to the construction industry. A square inch of downspout can drain 1 200 square feet of roof during a rain with an intensity of one inch per hour. The gutter and downspout size required is highly dependent on the amount of gutter and the spacing of the downspouts. It should be used to calculate required gutter size downspout size and downspout spacing for a given roof area.

2020 northshore exteriors inc. Stainless steel when is stainless steel passive. This application runs the equations laid out in the smacna handbook. Is the west coast and hawaii s premier contractor for all types of rainscreens including terra cotta cement board and phenolics as well as northclad rainscreens and all types of metal siding roofing and specialty trim.

Size downspouts to fit the gutter. Also see our gutter sizing calculator. Technical gutter sizing northshore exteriors inc. Gutter sizing per smacna.

For additional information please see below.