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.

Most of the standard items have all the dimensions given. 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. 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. Smacna downspout gutter calulator.

Architectural cad drawings with construction details and specifications are available for virtually all of the gutter supplies roof accessories vents and copper work that rutland stocks or fabricates. All styles are supplied in a standard 6 size and are manufactured in 10 lengths with a heavy duty 125 aluminum interior strap. 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. 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. Sheet metal and air conditioning contractors national association 4201 lafayette center drive chantilly virginia 20151 1219 tel 703 803 2980 fax 703 803 3732. Many of the architectural drawings are designed for the customer to input his own dimensions in the proper form location as that item. Dmi offers our box gutter in six standard smacna profiles see profiles tab below.

Custom profiles are also available. This tool allows engineers architects designers and contractors to easily and accurately size downspout and gutters per smacna s architectural sheet metal manual. 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.