News & EventsCommonly Used Commercial Duct Abbreviations
FlexRIGHT® Flexible Duct Elbow Support is now available from M&M.
Johns Manville Open Letter This open letter to all JM mechanical insulation customers addresses Johns Manville's latest advancement in binder technology. For more JM information see our Downloads Page.
IMC Code Change Update The 2009 code change that required 28 gauge residential sheet metal ducts has been reversed in the 2015 International Mechanical Code (IMC). This press release adds some detail to the announcement.
Commercial Duct Specifying Aids Templates & Forms are now available in a .pdf download format to help communicate the duct and fittings sizes and dimensions that are needed. The forms include:
Four Segment Free Hand Drawing Form
Six Segment Free Hand Drawing Form
Rectangular Duct Fitting Template
Full Form Template
M&M Manufacturing Company is a diversified sheet metal fabricator of round, rectangular, spiral and oval HVAC duct pipe and fittings for residential and commercial applications. M&M also offers general sheet metal products for roofing, ventilating, and architectural applications.
M&M provides superior high quality products with outstanding service. From a two-person shop in 1958 to today's five technologically advanced manufacturing units, M&M has developed a reputation for reliability and service second to none. Whether you need prefabricated duct, custom HVAC sheet metal products, or precision tolerance sheet metal fabrications, you can depend on M&M!