Structural Addition

Four-Seasons Sunroom Residential Addition with Natural Stone Veneer

Waterloo Region • 2014 • Structural Additions & Sunrooms

Year-round four-seasons sunroom addition featuring timber framing, panoramic energy-efficient windows, and a perimeter stacked stone veneer base.

Completed four-seasons sunroom exterior with large multi-pane windows and stacked natural stone foundation base✓ After: Completed Sunroom Exterior
Timber framing under construction for the sunroom addition wrapped with Typar weather barrier⚠️ Process: Framing & Weatherproofing
⚠️ The Challenge

Creating a year-round habitable interior living space directly connected to the backyard, engineered to withstand harsh Ontario winters with reliable thermal insulation.

✓ The Solution & Execution

Complete foundation construction, wood framing, a weather-sealed roof, and panoramic window installation, complemented by a perimeter natural stone veneer skirting that blends with the existing architecture. Inside, we cut a wider opening between the new addition and the main house and installed a new structural support beam.

Key Specifications & Materials
  • Structural timber framing
  • New structural support beam
  • Typar weather barrier
  • R-20+ thermal insulation
  • High-efficiency panoramic windows
  • Stacked stone veneer skirting
Discuss a Similar Project

Project Photos

Timber framing under construction for the sunroom addition wrapped with Typar weather barrierProcess
Completed four-seasons sunroom exterior with large multi-pane windows and stacked natural stone foundation baseAfter

Build Sequence

  1. New floor platform of pressure-treated joists framed against the back of a brick house with a patio door
    1Floor platform framed against the back of the house
  2. Brick cut back beside a patio door, with a new timber post standing in the gap
    2Brick cut back beside the patio door to widen the opening
  3. Brick wall opened above the patio door, held up by temporary timber shoring and a crossbeam
    3Wall opened and held by temporary shoring while the new support beam goes in
  4. Brick wall with a patio door and a new wood header framed above the opening, ladder and scaffolding in front
    4Opening in the brick wall framed with a new wood header, above the new floor platform
  5. Wall and roof framing of the addition going up on the platform at the back of a brick house
    5Walls and roof framing going up on the platform
  6. The addition fully framed with roof rafters in place at the back of a brick house
    6Addition framed, roof rafters in place
  7. Roof rafters and a timber post seen from inside the framed addition
    7Roof framing seen from inside the addition
  8. Inside the addition, an insulated roof and plastic vapour barrier on the walls
    8Inside the addition, insulated roof and plastic vapour barrier
  9. Framed sunroom walls with a stacked stone veneer skirt along the base
    9Walls framed and stacked stone veneer installed along the base
  10. Finished sunroom with white windows and stacked stone skirting against a brick house
    10Windows and trim installed, stone skirting finished

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