The Name to Trust for Industrial, Commercial, and Institutional Roofing Contractors

Phone: (506) 652-7003

1010 Fairville Blvd.
Saint John, New Brunswick
E2M 5T5

Manuals and Guides


roofspecsMRGNB Specification Manual

The Master Roofers Guarantee Corporation (or “MRGNB”) is set apart from other roofing organizations via the standards set forth in it’s specification manual, which, when adhered to results in a start of the art product.


MRGNB Preventative Roof Maintenance Guide – 2015

The maintenance guide sets out what constitutes “maintenance” and what constitutes “warranty” as well as specifying what aspects of the roof are covered under the warranty.


MRGNB Policy and Procedure Manual for Quality Assurance Observation of Roof Applications – 2021

This “NEW” manual replaces the “MRGNB Policy and Standards Manual for Quality Assurance Observation of Roof Applications” published in 2013.  The new manual content has been reorganized to improve clarity and also incorporates administrative updates and reporting requirement changes.


Contact Us

If you have a question you’d like to ask or just a general comment about our services please contact us via email or phone:

Phone: (506) 652-7003