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.
Smacna gutter profiles.
In addition to standard smacna profiles custom shapes are also available.
Available in up to 32 0 lengths.
Technical paper 2017 update for architectural fascia and coping wind tests report.
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.
Downspout sizes must not exceed the bottom width of the gutter.
Every gutter system is unique so saf smacna gutter profiles are custom fabricated to suit individual project needs including.
Dmi offers our box gutter in six standard smacna profiles see profiles tab below.
Custom profiles are also available.
Sizing metal sheet thickness.
To limit the effects of thermal expansion in gutters 50 ft.
In response smacna s technical resources department has created a free downspout and gutter sizing calculator.
Calculations are based on level gutter capacity as experimentally determined by the national institute of standards and technology nist.