Workers in this unit group install and service a wide variety of interior and exterior prefabricated products such as windows, doors, electrical appliances, water heaters, fences, play structures and septic systems at residential or commercial properties.

Example titles: aluminum window installer, eavestrough installer, electric appliance installer, exterior cladder, fence erector, hot tub installer, kitchen cupboard and vanity installer, recreation structure erector, siding installer, sign installer, swimming pool installer, water conditioner servicer, water heater servicer, window installer