This seventh edition of the Architectural Sheet Metal Manual has many changes and several additions. Changes include new chapters and details on penetrations, additional and revised tables in support ...

CHANTILLY, Va. - The Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA) has announced that its newly updated SMACNA Reference Manual for Labor Units for Sheet Metal and HVAC ...

Alpha Sheet Metal Works is expanding its operations in Charleston County, South Carolina. The company’s $3.7 million investment will create 14 new jobs.