Our History & Milestones

A look back at the defining moments that have guided our growth and shaped our future.

  • A group of people standing in front of multiple service trucks and cars parked outside a building with a large sign that reads 'NEDLAW'.

    2025.

    D.J. Peat Roofing and Nedlaw Roofing officially unified under a single brand: Nedlaw Roofs. Having operated as one team since the acquisition of D.J. Peat in 2011, this strategic brand consolidation reflects our shared values, integrated operations, and commitment to delivering consistent, high-quality service.

    Together under the Nedlaw Roofs name, we move forward stronger—united in purpose, reputation, and excellence.

  • A man standing on an excavator with a smile, holding the operator's handrail, outdoors under a sky with clouds.

    2022.

    In 2022, Randy Walden, founder of Nedlaw, passed away. His legacy lives on through Drew and John Walden, who continue to lead the company with the same dedication and values he instilled.

    Nedlaw continues to serve customers nationwide with over 100 professional, full-time, year-round staff, our own state-of-the-art equipment, a fully outfitted fleet of vehicles, and an on-premises sheet-metal shop.

  • Black-and-white photo of a modern office building with large windows and a sign on the corner that reads 'NED LAW'. The building is surrounded by a parking lot and sidewalk.

    2021.

    In 2021, Nedlaw opened a 30,000 square foot state-of-the-art facility to accommodate its growing team. The green building features a Rainwater Harvesting System and 5 Nedlaw Living Wall Biofilters that ensure fresh air throughout the building.

  • Construction site with a crane, a water tower, and equipment on the roof of a building.

    2011.

    Nedlaw Roofing acquires D.J. Peat Roofing & Sheet Metal Ltd. A successful commercial roofing company which has been proudly servicing the Grey, Bruce, Simcoe, Dufferin, Huron, and Perth areas since 1972.

    Located in Annan, D.J. Peat continues to serve Southwestern Ontario as a trusted roofing contractor.

  • Three workers on a roof installing a roofing material, with logos of roofing companies displayed at the top.

    1988-2009.

    Nedlaw Roofing Ltd. acquired numerous roofing companies throughout the years, including: Monarch Roofing, Schwarz Roofing, Muskoka Lakes Roofing, and Palmer Roofing.

  • Black and white photograph showing a construction site with a crane labeled NEDLAW, several parked cars, a house with a ladder on the roof, and construction equipment.

    1988.

    Randy Walden established Nedlaw Roofs in 1988 to fill a need within the commercial, institutional and industrial sector for high-quality yet reasonably priced roofing services. By successfully completing a wide range of projects that involve unique challenges, Nedlaw has steadily grown to become one of Ontario's largest and most respected roofing contractors.

  • A group of five people in an office setting, standing in front of framed pictures on the wall, and two people in a room with shelves and a desk, one flexing and the other smiling.

    1982-1988.

    Randy Walden takes over

    Walden Roofing until May 1988.

  • A man wearing a hard hat and light-colored coat sitting on a bench near stacks of white bricks in an outdoor urban setting with a tall apartment building in the background.

    1965.

    John Carl Walden was born in 1929 in Ripley, Ontario.

    After serving in the Second World War, John graduated with a business degree from the University of Toronto.

    Ten years after John joined Barrett Roofing Supplies in Toronto, he and his family moved to Kitchener where he purchased Galt Roofing Ltd., which was located on 58 Victoria St. at the time.

  • 1979.

    Shortly before John Carl Walden passed away, he acquired Galt Roofing of Cambridge which he continued to operate under the Walden Roofing name.

  • 1969.

    In 1969 Galt Roofing changes its name to Walden Roofing.

Logo for Nedlaw Roofing, formerly operating as D.J. Peat Roofing & Sheet Metal, featuring a black background, white and blue text, and a stylized roof graphic.

D.J. Peat Roofing is Now Nedlaw Roofs

In 2025, D.J. Peat Roofing and Nedlaw Roofing officially unified under a single brand: Nedlaw Roofs. Having operated as one team since the acquisition of D.J. Peat in 2011, this strategic brand consolidation reflects our shared values, integrated operations, and commitment to delivering consistent, high-quality service. Together under the Nedlaw Roofs name, we move forward stronger—united in purpose, reputation, and excellence.