What makes PermaLock Aluminum Shingles the best?

From the materials we use to our easy-to-install system and our efforts for the greenest roof to our unique and custom color options, you’ll agree…
PermaLock has the best value out there.
Lifetime Warranty
We offer a non-prorated, lifetime transferable warranty unsurpassed in the roofing industry.

Mother Nature Approved
Will not rust, rot, split or curl. Warranted to withstand 165 mph winds. Passed Class IV Hail Rating.

Superior Paint Finish
Exceptional resistance to aging, chalking, peeling, cracking or fading. Embossed cedar grain, with variety of popular colors.

Lightweight & Economical
Can be installed over most existing roofing, eliminating messy, costly tear-offs. No maintenance or reroofing expense.

Interlocking Support
Shingles interlock on all four sides for added strength and weather resistance, allowing you to walk on it without damaging it.

Fire Resistant
Aluminum shingles will not burn or support combustion


You can solve your roofing problems for life with Interlock® Metal Roofing products.

Interlock® aluminum roofs are built to last, conserves energy, and safeguards the environment.  In fact, they’re so durable that the first time you replace your roof with our product, you’ll never have to re-roof again.  NEVER.

We make it easy by providing you flexible financing options, an abundant selection of designer styles and colors, and a lifetime transferable warranty. Choosing Interlock® lifetime roofing products means less dependence on energy resources, less pollution in your area, and less money out of your pocket over time.


Product Brochure

Interlock Brochure

VELUX Product Brochure

VELUX No Leak Brochur