Smacna Gutter Styles

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

Smacna gutter styles.

Sheet metal and air conditioning contractors national association 4201 lafayette center drive chantilly virginia 20151 1219 tel 703 803 2980 fax 703 803 3732. Other variations of the plain industrial looking box gutter were becoming popular for residential rain gutter installation. Then use the chart below to see what size gutter you need. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.

Optional support brackets also available. Dmi offers our box gutter in six standard smacna profiles see profiles tab below. 6 inch 7 960 square feet. 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.

15 m is a practical maximum gutter length to be served by a downspout. Calculations are based on level gutter capacity as experimentally determined by the national institute of standards and technology nist. New orleans los angeles for example. To limit the effects of thermal expansion in gutters 50 ft.

They are available in a number of different styles including double bead single bead and reverse bead style. All styles are supplied in a standard 6 size and are manufactured in 10 lengths with a heavy duty 125 aluminum interior strap. Custom profiles are also available. Optional support brackets also available.

Table 1 2 based on records through 1978 gives five minute intensities for selected cities. Standard rain gutter profiles styles courtesy smacna box gutters like in style a above have the largest volume for the shape and amount of gutter material used were were finding favor in large commercial public and industrial applications by minimizing cost and maximizing water carrying capacity. Every gutter system is unique so saf smacna gutter profiles are custom fabricated to suit individual project needs. 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.

Available in up to 32 0 lengths. These differences will not affect how well the gutter performs or how difficult it is to install on your home but are all a matter of personal preference as to the appearance. Downspout sizes must not exceed the bottom width of the gutter. 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.

Dynaclad 70 full strength pvdf paint finish natural copper rheinzink or stainless steel. Proper gutter and downspout sizing rainfall intensity downspout capacity rainfall intensity is usually given in inches per hour for a five minute duration or one hour duration based on u s.