Smacna Gutter Details

Dmi offers a full line of accessories including internal gutter support brackets custom under brackets mitered corners end caps splice plates expansion joints outlets downspouts elbows and downspout straps.

Smacna gutter details.

The sheet metal and air conditioning contractors national association smacna is now providing a simple and effective downspout gutter sizing calculator. All styles are supplied in a standard 6 size and are manufactured in 10 lengths with a heavy duty 125 aluminum interior strap. The capacity of a sloped rectangular gutter may be approximated by using a gutter cross section area not less than that of a semicircular gutter and a depth to width ratio of at least 0 75. Expansion allowances gutter specific expansion tables based on girth profile metal predicted annual δt expansion of building materials table with various expansion coefficients must be used for fascia and copings with consideration of both metal and substrate flat seam roof expansion guidance over 30 feet use batten seam design to allow for expansion.

Custom profiles are also available. 4201 lafayette center drive. 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. The smacna series gutter system is an exceptionally strong gutter product for industrial commercial type buildings.

This tool allows engineers architects designers and contractors to easily and accurately size downspout and gutters per smacna s architectural sheet metal manual. 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. Smacna cad standard second edition july 2001 sheet metal and air conditioning contractors national association inc. Smacna downspout gutter calulator.

All styles are supplied in a standard 6 size and are manufactured in 10 lengths with a heavy duty 125 aluminum interior strap. The smacna series gutter system is an exceptionally strong gutter product for industrial commercial type buildings. Sheet metal and air conditioning contractors national association 4201 lafayette center drive chantilly virginia 20151 1219 tel 703 803 2980 fax 703 803 3732.