Metro Roof Products: Historical Profile
Metro Roof Products is a legacy stone-coated steel roofing brand. Boral previously owned the business. Westlake completed its acquisition of Boral’s North American building-products businesses in October 2021 and now supports relevant legacy Metro panels through its Unified Steel roofing business.
Metro and Unified Steel
Metro sold steel panels coated with stone granules and shaped to resemble shake, shingles, or tile. Legacy names included Pine-Crest Shake, Granite-Ridge Shingle, Cottage Shingle, Barrel-Vault Tile, and Pacific Tile. Do not assume that every old profile or color remains available or that a current panel will match an installed Metro roof.
Westlake now markets stone-coated steel as Unified Steel in high-barrel, low-barrel, shake, and shingle profiles. Its technical documents identify Metro among the historic brands consolidated into that product family. Ask Westlake or a distributor to identify the installed panel before ordering repairs.
Performance Ratings
Westlake advertises Class 4 impact-rated products, Class A fire-rated roof assemblies, and assemblies designed for high-wind regions. Those ratings do not transfer automatically to every Metro panel. Product profile, deck, underlayment, slope, fastening pattern, edge details, and local approval all matter.
Request the current test report or code evaluation for the proposed assembly. “Hurricane rated” without a named standard, design pressure, wind speed, exposure, and installation method does not give a homeowner enough information to compare systems.
California Energy Code and Cool-Roof Claims
Some Unified Steel colors and above-sheathing-ventilation assemblies may help a project comply with California Title 24. Eligibility varies by climate zone, roof slope, assembly, and tested product values. Check the current Westlake California Title 24 brochure and the Cool Roof Rating Council directory for the exact profile and color.
Older Metro literature may refer to ENERGY STAR roof certification and a federal roof tax credit. The EPA ended the ENERGY STAR Roof Products program on June 1, 2022. Do not claim a current federal credit based on an old Metro color or label. Check current federal, state, and utility programs before estimating an incentive.
Installation and Repairs
Legacy Metro training instructions and SMART-Start enrollment details may no longer apply. Contact Westlake Royal or a current Unified Steel distributor for installation manuals, repair guidance, installer training, and compatible accessories.
Before repairing an older roof, identify the profile, color, fastening method, and underlayment. A replacement panel with a similar shape can still differ in dimensions, interlock, granule size, or color. A roofer should also verify deck condition and current wind, fire, and underlayment requirements.
Contacting the Current Manufacturer
The former Metro address and Boral contact details are obsolete. Use Westlake Royal’s current contact page for product identification, technical support, and distributor information.
Warranty
Westlake advertises a 50-year limited warranty for current Unified Steel roofing and publishes separate warranty and maintenance documents. Coverage depends on the product, owner, installation date, registration, transfer, installation, exclusions, and claim procedure.
An older Metro or Boral roof remains subject to the warranty issued for that installation. Keep the invoice, warranty certificate, registration, product labels, installation records, and photographs. Ask the current claims administrator to confirm coverage before authorizing work that could affect a claim.