Allweather Roof was founded in 1925 by Louis Abrahamson. He was succeeded by his son in law Chester Grossman in the 1950s. The family business was sold to an employee partnership group in 1986 lead by George Heriot, who had been an employee since 1965. In 2010 the company was purchased by a partnership group headed by Ken Sorensen who had joined the company in 1983. Current partners include Loren Butterfield, CFO; Russ Kiker, Operations manager; and Brent Loberg, Sales manager.

The company has two locations. Golden Valley and Austin, MN.