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Cladding and Building Envelope Contractor in Portsmouth, NH
Three Brothers Carpentry Corp. installs exterior cladding, ACM and metal panels, air and water barriers, rainscreen attachment systems, windows and doors for General Contractors building in Portsmouth, Rockingham County, New Hampshire.
Our office is in Somerset, MA, about 95 miles from Portsmouth. We price the exterior package from your drawings, coordinate with the project team, and carry the work from installation through closeout.
What We Install in Portsmouth
Estimating & Pricing
Detailed takeoffs, scope review, and competitive pricing to help General Contractors evaluate exterior packages with clarity.
Exterior Cladding
Installation of architectural cladding and fiber-cement systems, including complex elevations, transitions, and finish details.
Air Barriers
Air and water barrier installation with careful attention to continuity, penetrations, openings, and integration with adjacent systems.
Decking
Exterior decking installation with attention to layout, fastening, transitions, durability, and a clean finished appearance.
ACM / Metal Panels
Architectural metal and ACM panel installation coordinated for alignment, attachment, reveals, corners, and overall facade performance.
Exterior Insulation
Continuous exterior insulation installed as part of the wall assembly to support energy performance and proper envelope sequencing.
Rainscreen Attachment Systems
Subframing and attachment systems installed to support ventilation, drainage, alignment, and the final cladding assembly.
Windows & Doors Installation
Commercial window and door installation coordinated with surrounding flashing, barriers, cladding, and exterior finish work.
Our Closest Projects to Portsmouth
Nearby Communities We Serve
- Newington, NH
- New Castle, NH
- Greenland, NH
- Rye, NH
- Eliot, ME
- North Hampton, NH
- Stratham, NH
- Durham, NH
- Newmarket, NH
- Hampton, NH
More about our work in New Hampshire.