Architectural Sheet Metal Manual Gutters

The most common gutter shape is called k style so called because that s where the shape falls alphabetically in the list of gutter profiles in the sheet metal and air conditioning mechanic s national association architectural sheet metal manual.

Architectural sheet metal manual gutters.

This tool allows engineers architects designers and contractors to easily and accurately size downspout and gutters per smacna s architectural sheet metal manual. 1 exam prep smacna architectural sheet metal 7 40. Rainfall wizard is based on table 1 2 rainfall data and drainage factors page 1 2 1 3 of the architectural sheet metal manual 7th edition. K style gutters are flat on the bottom and back and have an ogee profile on the front.

Technical paper architectural sheet metal manual. The recommended gage for a galvanized gutter with a girth of 20 inches is a 19. This completely updated publication contains the most comprehensive recommended practices available for proper design and installation of custom fabricated architectural sheet metal including roof drainage system design for scuppers gutters and downspouts. In response smacna s technical resources department has created a free downspout and gutter sizing calculator.

A 3 b 4 c 5 d 6 41. Now architects engineers designers and contractors can easily and accurately size downspouts and gutters according to the specifications in smacna s architectural sheet metal manual 7th edition 2012. Replaced in a 1900 renovation. The sheet metal and air conditioning contractors national association smacna is now providing a simple and effective downspout gutter sizing calculator.

The downspout and gutter sizing calculator is located on the tools cad and apps page of the smacna website. Smacna 1120 2012 architectural sheet metal manual. Downspout sizes are based on table 1 3 dimensions of standard downspouts page 1 4 of the architectural sheet metal manual 7th edition. Architectural sheet metal manual this completely revised publication contains the most comprehensive set of recommended practices available for proper design and installation of custom fabricated architectural sheet metal including roof drainage system design for scuppers gutters and downspouts.

According to the architectural sheet metal manual a plain round standard downspout with an area of 12 57 square inches requires a nominal size of inches.