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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Sheet Membrane

Single Ply Sheet membranes provide the flexibility to FA, MA, or loose lay to meet the needs of a project.


Client Testimonials

"Each of the projects had many difficulties and challenges and we were especially pleased with Greenwood’s persistence and efficiency during the construction phase."

Edward Stewart, Gale Associates