In addition to the aluminum hydroxide layer that formed on the surface, a second amorphous layer developed underneath it, which indicates there is a transport mechanism that diffuses oxygen into the substrate.
Daba, who moved to Canada 20 years ago as a refugee, did not initially have experience working with ductwork, but earned his Certified Ventilation Inspector (CVI) accreditation from NADCA in 2023.
There are no recognized professional protocols on how to repair air handler units. “You and your customer are really on your own when you enter into air handling unit restoration," says David Monson of Armstrong Duct, Vent, Hearth and Home.
Group recognizes Christiansen Heating and Sheet Metal, CMC Sheet Metal, R.F. Knox Company/Georgia Sheet Metal JATC, Superior Duct Fabrication and Nortex Roofing
Lobbying by the International Association of Sheet Metal, Air, Rail, and Transportation Workers (SMART) and the Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA) led to the passage of legislation.
The SNIPS NEWS Sheet Metal Fabrication Contractor of the Year in 2023, Silicon Valley Mechanical, embodies a ‘constant improvement’ mindset – leading to new opportunities
Slideshow: SVM's ability to still prioritize the wellbeing and sustainability of its workforce while multiplying the business it does every year has earned the shopthe SNIPS NEWS Contractor of the Year award in 2023.