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Weymouth Home Addition & Exterior Renovation

Weymouth Home Addition & Full Exterior Renovation

Project Summary: This Weymouth, MA home addition and exterior renovation included a timber frame structure, ZIP System wall sheathing, CertainTeed Midnight Blue vinyl siding, Moire Black architectural shingles, and new window installation.

What Started as a Siding Call Turned Into a Full Renovation

The homeowners called us about replacing their siding. But once we got on-site, the scope changed fast. The original cedar shake was shot, and the family had been wanting more space for years.

So instead of a simple re-side, we scoped a ground-up home addition with a three-season porch reframe, plus a complete exterior renovation so the old house and new structure would look like one building. One project. One crew.

The addition went up as a timber frame structure with steel connector brackets at every joint. The homeowners wanted exposed beams inside, and timber framing was the right call for the span they needed. We started in fall, racing daylight and watching the forecast every morning. After 20-plus years on the South Shore, you learn to plan for the weather, not around it.

Materials and Process

We sheathed the entire addition with ZIP System panels, an engineered sheathing with a built-in moisture barrier that replaces traditional plywood-plus-housewrap in one step. Every seam sealed with ZIP tape. For a coastal Massachusetts home taking nor’easters and freeze-thaw cycles, that kind of building envelope is non-negotiable.

The homeowners picked CertainTeed Midnight Blue vinyl siding for the whole house, not just the addition. That meant stripping the old cedar off the original structure and re-siding everything so nothing looked pieced together. Because we’re CertainTeed-certified installers, this project qualifies for extended warranty coverage you can’t get without that credential.

CertainTeed Moire Black architectural shingles went on the addition to match the existing roof, and new windows went in throughout, each one flashed and sealed against the ZIP System sheathing. Roof to siding to windows to sheathing, all connected.

Products Used

  • Roofing: CertainTeed Moire Black Architectural Shingles
  • Siding: CertainTeed Midnight Blue Vinyl Siding
  • Trim: White PVC Trim
  • Sheathing: ZIP System Wall Panels with ZIP Tape
  • Structure: Timber Frame with Steel Connector Brackets
  • Windows: New Energy-Efficient Windows

Looking for similar work? Check out our roofing, siding, window, and gutter services. We work with homeowners across the South Shore, including Weymouth, Braintree, Rockland, Abington, Hanover, and Quincy.

Our satisfied customers say it best…

At Giannini Roofing and Siding, we take pride in providing exceptional roofing and siding services to our customers. We would be grateful if you could share your thoughts about our roofing company with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Giannini Roofing and Siding and let others know what you think

Why Choose Giannini Roofing

The Team Behind This Project

This Weymouth home addition is a good example of what happens when one crew handles everything. No subcontractors juggling schedules. No finger-pointing between trades. Our team framed it, sheathed it, sided it, roofed it, and installed the windows.

  • 20+ years of exterior work on the South Shore, from Whitman to Cohasset and everywhere in between
  • Licensed, insured, and CertainTeed ShingleMaster-certified, so your warranty coverage goes further
  • Flexible financing options to fit your budget
  • Bilingual team (English and Spanish)
  • Lifetime labor guarantee on every job

Get a Free Estimate or call us at (781) 351-1785.