Since our ancestors first started building shelters using natural materials, roofs have been a crucial element for providing lasting shelter and protection. Today, although modern-day roofs have come a long way from their early counterparts, the fundamental principles remain the same - skilled workers use their talents to construct roofs that offer protection and durability.

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The International Slate and Tile Roofers Union of America and the International Brotherhood of Composition Roofers, Damp and Waterproof Workers were both established in the early 1900s and worked together cooperatively for several years before merging to form the United Slate, Tile and Composition Roofers, Damp and Waterproof Workers Association in 1919. Since then, the union has grown considerably, with the adoption of a new name, the United Union of Roofers, Waterproofers, and Allied Workers in 1978, and the creation of various training programs, including the National Instructor Training Program in 2021.

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Today, the focus of the union remains on training, safety, and cooperation, with the goal of providing the best-trained and safest roofers in the industry for the contractors they work with.