Hon. Jill McKnight, Canada’s Veterans Affairs Minister, Visits Interlock Metal Roofing to Discuss Tariffs and Manufacturing
Supporting Canadian Aluminum Manufacturing in the Face of Tariff Challenges
On July 3rd, 2025, we had the privilege of hosting The Honourable Jill McKnight, Member of Parliament for Delta, BC, and Canada’s Minister of Veterans Affairs and Associate Minister of National Defence, at Interlock Metal Roofing’s Delta Manufacturing Facility.
Federal Minister McKnight joined Mark Wenzel, President of Interlock Metal Roofing, for a tour of our manufacturing operations and a candid discussion on the real-world impact of metal tariffs on Canadian Manufacturers and Consumers across North America.
The conversation highlighted the vital role of locally made products and the economic pressure tariffs place on companies that rely on metal as a core input.
As a proud Canadian producer of premium aluminum roofing systems distributed across Canada and the United States, we appreciate every opportunity to speak up for manufacturers. A sincere thank you to Minister McKnight and her team for listening, engaging, and representing our concerns at the federal level in Ottawa.

Top 10 FAQs: Interlock Metal Roofing, Canadian Manufacturing & Tariffs
Who is Interlock Metal Roofing?
Interlock Metal Roofing is a Canadian-based manufacturer of premium aluminum and copper roofing systems. Headquartered in Delta, British Columbia, the company produces long-lasting, energy-efficient roofing products distributed across Canada and the United States.
What does Interlock manufacture at its Delta, BC facility?
At our Delta, BC facility, Interlock Metal Roofing manufactures a wide range of premium metal roofing systems, including aluminum, steel, and copper roofing systems, and matching custom trims and accessories. Our product lineup features profiles such as standing seam, slate, shake, tile, and diamond.
Why did Minister Jill McKnight visit Interlock Metal Roofing?
On July 3, 2025, The Honourable Jill McKnight, Canada’s Minister of Veterans Affairs and Associate Minister of National Defence, visited Interlock’s Delta facility to discuss the economic impact of metal tariffs on Canadian manufacturers and consumers.
How do metal tariffs affect Canadian roofing manufacturers?
Metal tariffs increase the cost of importing aluminum, steel, and copper, placing economic pressure on Canadian manufacturers like Interlock that rely on metal as a core input. These costs can lead to higher prices for contractors and homeowners.
Does Interlock support Canadian-made products?
Yes. Interlock is a proud supporter of Canadian manufacturing and locally made building products. The company advocates for fair trade policies and invests in domestic production to support the national economy.
What materials does Interlock use in its roofing systems?
Are Interlock products available outside of Canada?
What is Interlock’s stance on metal tariffs?
Interlock supports open dialogue with policymakers to reduce the burden of metal tariffs on domestic manufacturers. The company believes fair access to raw materials is critical for competitiveness and sustainable housing affordability.
How is Interlock advocating for Canadian manufacturers?
Through federal engagement — such as Minister McKnight’s visit — Interlock raises awareness of the real-world impact of tariffs and trade policy. The company emphasizes the need for government support of local industry.
Why choose Interlock for your metal roof?
Interlock roofs are designed to last a lifetime. With in-house manufacturing, homeowners can trust Interlock for beauty, durability, and value.