Smacna Gutter Sizer

This application runs the equations laid out in the smacna handbook.

Smacna gutter sizer. The smacna series gutter system is an exceptionally strong gutter product for industrial commercial type buildings. Downspout sizes must not exceed the bottom width of the gutter. Saf smacna gutters are an extension of the saf industrial series gutters but with profile features contained in the sheet metal and air conditioning contractors national association smacna manual all styles are supplied in a standard 6 size and are. 15 m is a practical maximum gutter length to be served by a downspout.

To limit the effects of thermal expansion in gutters 50 ft. The downspout and gutter sizing calculator is located on the tools cad and apps page of the smacna website. Resources aluminum series acm series column covers fastener series zinc series testing data aama pdf astm pdf gutter sizing sheet metal gages order literature northclad gutter size requirement calculator this calculator uses current data to calculate the required size of gutter as well as number and size of downspouts based on your input. Calculations are based on level gutter capacity as experimentally determined by the national institute of standards and technology nist.

It should be used to calculate required gutter size downspout size and downspout spacing for a given roof area. For additional information please see below. The sheet metal and air conditioning contractors national association smacna is an international trade association representing 3 500 contributing contractor firms. Gutter sizing per smacna.

We recommend resource library read more.