Interlock® across North America

Separate regional companies install the same Interlock® system, made by Interlock Roofing Ltd. in Delta, BC. Outside your area? Contact the company for your province or state.

• Alberta Interlock Metal Roofing (Alberta) Ltd. albertametalroofing.com
• Ontario Interlock Metal Roofing (Ontario) Ltd. interlockmetalroofing.ca
• Nova Scotia, New Brunswick & PEI Maritime Metal Roofing Ltd. maritimemetalroofing.com
• Washington Interlock Metal Roofing (PNW) Inc. washingtonmetalroofing.com
• Oregon Interlock Metal Roofing (PNW) Inc. oregonmetalroofing.com
• Alaska Interlock Industries (Alaska) Inc. alaskasbestroof.com
• Minnesota, Wisconsin & Illinois Interlock Industries (Midwest) Inc. midwestmetalroofing.com
• New England Interlock Metal Roofing (New England) Inc. newenglandmetalroofing.com
• Florida Interlock Roofing of America (certified contractors) metalroofingflorida.com
• New York Interlock Roofing of America (certified contractors) nymetalroofing.com
• Texas Interlock Roofing of America (certified contractors) texasroofing.systems
• Everywhere else Interlock Roofing Ltd. interlockroofing.com