Mastic Sev-Co is proud to provide you with quality building materials from Mastic by PlyGem. To learn more about the selection of colors, textures, and styles of home exterior products we offer, click on the Mastic logo.

Harvey windows Replacing old, leaky windows with Harvey's thermal windows just makes sense. Not only are they energy efficient, but are beautifully designed to fit any space to complement the style of your home. Click on the logo to learn more about Harvey windows.

CertainTeed sidingCertainTeed brand of siding is one that we endorse and use in many of our projects. Click on the logo to review the many options for siding and accents offered by CertainTeed.

Sev-Co Siding & Windows is a fully insured and licensed contractor in the Commonwealth of Massachusetts.