Great Lakes Systems is Industry Approved and Involved

At Great Lakes Systems, we’re very selective in the roofing-related manufacturers and their products that we choose to use for the benefit of our customers. Likewise, our history, ethics and workmanship has earned us manufacturer-approved applicator status from the following:

• Carlisle SynTec Systems: carlislesyntec.com
• Duro-Last Roofing, Inc.: duro-last.com
• Elevate Roofing Systems: holcimelevate.com/us-en
• GAF: gaf.com
• Johns Manville: jm.com
• LiveRoof, LLC: liveroof.com

Great Lakes Systems is knowledgeable of the latest roofing trends, products, technology and industry-related legislative issues because we’re actively involved in the following professional trade associations and business organizations:

• American Subcontractors Association, Inc. (ASA): asaonline.com
• Associated Builders and Contractors (ABC): www.abc.org
• Construction Financial Management Association (CFMA): www.cfma.org
• Midwest Roofing Contractors Association (MRCA): www.mrca.org
• National Federation of Independent Business (NFIB): www.nfib.com
• National Roofing Contractors Association (NRCA): www.nrca.net
• Roofers Insurance, Ltd.: www.roofersinsuranceltd.com