Smacna Gutter Profiles

Technical paper 2017 update for architectural fascia and coping wind tests report.

Smacna gutter profiles.

Every gutter system is unique so saf smacna gutter profiles are custom fabricated to suit individual project needs including. Calculations are based on level gutter capacity as experimentally determined by the national institute of standards and technology nist. Downspout sizes must not exceed the bottom width of the gutter. Custom profiles are also available.

Dmi offers our box gutter in six standard smacna profiles see profiles tab below. 15 m is a practical maximum gutter length to be served by a downspout. 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.

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. All smacna series gutters are sized by their rear dimensions. Sizing metal sheet thickness. In addition to standard smacna profiles custom shapes are also available.