Smacna Standards Gutters

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

Smacna standards gutters.

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. 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. Dmi offers our box gutter in six standard smacna profiles see profiles tab below. The sheet metal and air conditioning contractors national association smacna is now providing a simple and effective downspout gutter sizing calculator.

In response smacna s technical resources department has created a free downspout and gutter sizing calculator. News smacna s downspout and gutter sizing calculator. In response smacna s technical resources department has created a free downspout and gutter sizing calculator. Now architects engineers designers contractors and facility managers can easily and accurately size downspouts and gutters according to the specifications in smacna s architectural sheet metal manual 7th edition 2012.

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. In response smacna s technical resources department has created a free downspout and gutter sizing calculator. 15 m is a practical maximum gutter length to be served by a downspout. Smacna standards and manuals address all facets of the sheet metal and hvac industry including duct construction and installation indoor air quality energy recovery roofing and architectural sheet metal welding and commissioning.

Custom profiles are also available. To limit the effects of thermal expansion in gutters 50 ft. One of the most frequently asked architectural questions smacna receives is on sizing gutters and downspouts. The downspout and gutter sizing calculator is located on the tools cad and apps page of the smacna website.

All styles are supplied in a standard 6 size and are manufactured in 10 lengths with a heavy duty 125 aluminum interior strap. 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.