Commonwealth reaches Elite Status...

SikaSarnafil

Marriott Long Wharf receives Project of the Year Award

Marriott Long Wharf Hotel

Sustainability Award Winner...

Commonwealth Building Systems, LLC

We are a specialty contractor focusing on exterior building envelope waterproofing installation, repair and maintenance. Our partnership is comprised of a group of professionals with over 70 years of combined experience with waterproofing, architectural sheet metal, roofing and air/vapor barriers on existing and new construction in the high-end commercial, industrial and institutional markets of Eastern Massachusetts, Southern New Hampshire and Rhode Island.

Mission Statement

"Provide professional, state-of-the-art exterior building system installation, repair and maintenance services of the highest quality to building owners, real estate and facilities management firms, general contractors and building envelope consultants while cultivating a rewarding, positive and safe work environment for our employees."