Certification & Affiliations

Greenwood Industries commitment to excellence manifests itself in many forms, including support of and active participation in numerous federal, local government, and industry-related organizations.

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Metal

Metal roofing has a history that extends many centuries. In the early part of this country’s history, many important buildings were roofed with lead, copper, and tin (tin-plated iron). Today, the options for metal roofing for historical buildings include similar choices. Lead is still used, though mostly in Europe. Copper has stood the test of time and is workable in many different applications. Terne-coated stainless steel (tin and zinc coated 304 stainless steel) can be used where corrosion or run-off of copper might be a concern.  With proper fastening, skilled handling of joints, and adequate consideration for thermal and building movement, a well-installed metal roof can last many decades with little or no maintenance.


Client Testimonials

"I think it's a incredible accomplishment for us all to have 2 acres of copper 55, copper FS, Bitumen, PVC and slate roofing systems working in conjunction with hundreds of details on some complicated skylights, multiple penetrations and several penthouses without a single leak or problem that I am aware of as I sit here today. This was all accomplished above some incredibly sensitive areas and all without adversely disrupting the daily operations of the (Massachusetts) State House."

James Sanderson, J.K. Scanlan Company