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Serving Alberta's Roofing Industry Since 1961
ARCA Trade Definitions have been developed for
- Roofing and Related Sheet Metal Systems
- Vegetated Roof System (Green Roofs)
They provide specifics to the scope of work as they may appear in tender documents.
The Trade Definitions can be found online at www.tradedefinitions.com.
© 2019 Alberta Roofing Contractors Association