The Frederickson Metric Square was designed by Paul H. Frederickson who was a carpentry instructor at the British Columbia Institute of Technology. Frederickson developed this metric tool to help builders, and aspiring builders in the Carpentry Inter-provincial Red Seal program, quickly and easily construct metric buildings. This 400mmX600mm metric square comes equipped with rafter tables, brace tables, octagon tables, and mitre cut markings. Metric Roof Framing, a book by Paul Frederickson, is also available as a learning and teaching tool. The book brings to light tips for getting the most out of the Frederickson Metric Square, and does a great job of explaining the principles of metric roof framing.


Contact Alldec-Armson Sales Ltd. to purchase the Frederickson Metric Square for your business. 

Fredrickson Square

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  • Call: 604-534-3688

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