Smacna Gutter Standards

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Smacna gutter standards.

Howard iii sheet metal and air conditioning contractors national association. In response smacna s technical resources department has created a free downspout and gutter sizing calculator. 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 standards and manuals address all facets of the sheet metal industry from duct construction and installation to air pollution control energy recovery and roofing.

Dmi offers our box gutter in six standard smacna profiles see profiles tab below. News smacna s downspout and gutter sizing calculator 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. In response smacna s technical resources department has created a free downspout and gutter sizing calculator.

Smacna downspout gutter calulator. 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. This tool allows engineers architects designers and contractors to easily and accurately size downspout and gutters per smacna s architectural sheet metal manual. The smacna series gutter system is an exceptionally strong gutter product for industrial commercial type buildings.

Ansi smacna 006 2006 hvac duct construction standards eli p. Available in up to 32 0 lengths. 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. The sheet metal and air conditioning contractors national association smacna is now providing a simple and effective downspout gutter sizing calculator.

Documents preceding 3rd edition hvac dcs hvac duct construction standards metal and flexible. All styles are supplied in a standard 6 size and are manufactured in 10 lengths with a heavy duty 125 aluminum interior strap.