Smacna Sheet Metal Standards

The sheet metal and air conditioning contractors national association smacna is an international trade association representing 1 834 member firms in 97 chapters throughout the united states canada australia and brazil.

Smacna sheet metal standards.

Located in headquarters outside washington d c the sheet metal and air conditioning contractors national association smacna an international association of union contractors has 1 834 members in 103 chapters throughout the united states canada australia and brazil. Ansi smacna 006 2006 hvac duct construction standards metal and flexible sheet metal and air conditioning contractors national association inc. For all ducts between the supply fan and variable volume control boxes and 1 250 pa w g. A leader in promoting quality and excellence in the sheet metal and air conditioning industry smacna has offices in chantilly va which is outside of washington d c.

Disclaimer of warranties a the sheet metal and air conditioning contractor s national association smacna provides its product for informational purposes. For all other ducts of any application. The third edition of the hvac duct construction standards metal and flexible is intended primarily for commercial and institutional duct construction. This edition improves upon the second edition with expanded pressure class tables.

If the designer does not designate pressure class for duct construction on the contract drawings the basis of compliance with the smacna hvac duct construction standards is as follows. Ansi the american national standards institute has accredited smacna as a standards setting organization. Smacna the sheet metal and air conditioning contractors national association is an international trade association and ansi accredited standards developing organization representing 1 834 member firms in 103 chapters throughout the united states canada australia and brazil. 2 500 pa w g.

Documents preceding 3rd edition hvac dcs hvac duct construction standards metal and flexible. Smacna cad standard second edition v notice to users of this publication 1. This american national standard ansi smacna 006 2006 contains tables and details for constructing ductwork for to 10 wg positive and negative pressures. Click here to purchase the full version from the ansi store.

Howard iii sheet metal and air conditioning contractors national association.