Tri-State Window and Siding has the experience needed to see a commercial renovation from start to finish. Our staff and crews are competent to manage large commercial projects. We provide the highest level of professional care in preparing all estimations and bids, hiring all subcontractors, coordination with owners, architects, state and federal inspectors, local building inspectors, job scheduling, and submission of requisitions projects. Our experience in both large residential and commercial projects shows our ability to successfully manage commercial renovation.

Here is a list of some of our most successful commercial projects:

Londonderry Commons Professional Park – Londonderry, New Hampshire

Scope Of Work: Installation of vinyl siding and aluminum trim throughout entire professional office park.
Londonderry High School – Londonderry, New Hampshire

Scope Of Work: Replace old inefficient aluminum single pane windows with custom manufactured Harvey Vinyl Windows.

Brandywine Commons Condominium Complex – Derry, New Hampshire

Scope Of Work: Installation of vinyl siding and aluminum trim throughout entire complex.
Depot Square Office Building – Derry, New Hampshire

Scope Of Work: Complete interior remodel of entire building. Multiple apartments. Install replacement common jamb window units in brick openings.

Londonderry High School – Londonderry, New Hampshire

Scope Of Work: Replace old inefficient aluminum single pane windows with custom manufactured Harvey Vinyl Windows.

Timberwood Condo Association – Goffstown, New Hampshire

Scope Of Work: Roofing and Siding repairs and improvements.
Delahunty’s Nursery – Londonderry, New Hampshire

Scope Of Work: Strip old exterior siding and reface with new maintenance free vinyl siding.

Depot Square Office Building – Derry, New Hampshire

Scope Of Work: Complete interior remodel of entire building. Multiple apartments. Install replacement common jamb window units in brick openings.

Delahunty’s Nursery – Londonderry, New Hampshire

Scope Of Work: Strip old exterior siding and reface with new maintenance free vinyl siding.