The Interlock Blog
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Showing 37–42 of 42 articles
Installing Solar Panels on an Interlock Metal Roof
An Interlock metal roof is an ideal base for solar: it lasts 40–70+ years (far longer than a 25–30 year array), so you never remove panels to re-roof. Standing Seam lets panels clamp on with no roof penetrations, the install doesn’t void the warranty, and the reflective surface keeps panels cooler and more efficient.
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Investing in a Sustainable Future
A truly sustainable roof does two jobs: it lasts so long it’s rarely replaced, and it helps power the home. Interlock pairs a 95%-recyclable aluminum roof — made largely from recycled stock and installable over your old roof — with solar readiness, for decades of clean energy on a roof that outlives the panels.
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Extreme Roofing: Interlock Selected for Antarctic Science Base
When the U.S. National Science Foundation needed roofing for a research module bound for Antarctica, it chose Interlock. The aluminum system endures −60°F cold, 100+ mph katabatic winds, and extreme UV, then survived a 995-mile overland traverse to its site — the ultimate proof that a roof built for the South Pole will protect any home.
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Hon. Jill McKnight, Canada's Veterans Affairs Minister, Visits Interlock Metal Roofing to Discuss Tariffs and Manufacturing
On July 3, 2025, The Honourable Jill McKnight, MP for Delta and Canada’s Minister of Veterans Affairs, toured Interlock Metal Roofing’s Delta, BC manufacturing facility to discuss Canadian aluminum manufacturing and the impact of metal tariffs on a homegrown industry.
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Why This Bremerton Home Chose a Roof That Doesn't Rust
A waterfront Bremerton, Washington home traded its rust- and rot-prone roof for a Copper Penny Interlock Aluminum Shake — the warm look of copper, with aluminum that can’t rust. Sealed in Alunar® coating and locked four ways against salt-laden Puget Sound wind, it’s engineered to be the home’s last roof.
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The Ultimate Guide to the Best Types of Metal Roofing for Your Home
Interlock makes six aluminum and copper roofing profiles — Slate, Cedar Shingle, Cedar Shake, Mediterranean Tile, Standing Seam, and Solid Copper. All share the same engineering: lightweight aluminum (0.41–0.59 psf), a four-way mechanical interlock, a PVDF Alunar® finish, UL 2218 Class 4 impact resistance, and a lifetime warranty.
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