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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Built-Up Roofing

Built Up roofing systems have been in use in the United States for over 100 years. Built-Up roofing systems use a highly reliable waterproof membrane fabricated with layers of bitumen, and alternating with plies of reinforcing felts. The redundant layers provide outstanding resistance to water and weather. Two applications exist for this system: Hot-Applied and Cold-Applied.


Client Testimonials

"Greenwood was selected to provide roof repairs and replacements on four (4) projects for various public facility owners in Massachusetts. Throughout these projects, Greenwood lived up to their claims and our expectations. Staff members, during all phases of these projects, displayed well versed technical skills and professionalism. When potential concerns did occur, your staff addressed these issues in a timely manner. Therefore, we do not hesitate to recommend Greenwood Industries and look forward to working on future projects together."

Edward Stewart, Gale Associates