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Major addition + structural reconstruction

From a failing sunroom to a completely rebuilt living space.

The Irwin project was not a cosmetic refresh. Existing conditions required the old room and supporting construction to come apart so the new space could be rebuilt from the foundation up.

Project story

The work underneath mattered as much as the finished room.

The original enclosed sunroom had significant structural concerns in the floor and supporting construction. Rather than hide those conditions behind new finishes, the project was opened up, documented and rebuilt into a permanent addition with a new foundation, new framing, a tied-in roof system and a fully finished interior.

This project is a good example of why New Beginnings documents existing conditions and progress work. The finished photograph shows the destination. The construction sequence shows what it took to get there.

Existing conditionsAging enclosed sunroom with compromised supporting construction.
Structural scopeDemolition, excavation, foundation and complete new framing.
Exterior scopeRoof integration, sheathing, weather barrier, windows, door and exterior finishes.
Interior scopeElectrical, insulation/drywall, flooring, trim, paint, lighting and finish work.
Before + after

A different structure, not just a different look.

Original Irwin sunroom and rear of home before reconstruction
Before: original enclosed sunroom and rear addition area
Completed Irwin home addition exterior after reconstruction
After: rebuilt addition integrated into the existing home
Construction sequence

Built in stages that can be seen.

01 • Existing structure

Start with what is actually there.

The original room looked enclosed and usable from the outside, but the supporting floor and connection details told a different story once they were exposed.

Original enclosed sunroom before reconstruction
02 • Investigation + demolition

Open it up before deciding what can stay.

Floor framing and supporting areas were uncovered so deteriorated and inadequate construction could be documented and removed rather than covered over.

Exposed existing floor framing during Irwin project demolition
03 • Site + foundation

Rebuild from a dependable base.

The old supporting construction was removed, the addition footprint was excavated and a new masonry foundation was built for the reconstructed space.

New masonry foundation under construction for the Irwin addition
04 • Framing + envelope

Create the new room as part of the house.

New wall and roof framing formed the addition, followed by sheathing, weather protection, windows and roofing integrated with the existing home.

Irwin addition framed and weather wrapped during construction
05 • Interior build-out

The structure becomes living space.

The interior moved through rough framing and electrical into drywall, paint, trim, flooring, recessed lighting and ceiling fans.

Interior framing of the Irwin home addition
06 • Finished addition

Bright, open and fully rebuilt.

The completed room adds usable conditioned living space with a vaulted ceiling, multiple windows, durable flooring and a clean transition back into the existing home.

Completed Irwin addition interior with vaulted ceiling and finished flooring
Why progress photos matter

The finished room hides most of the construction.

Hidden conditions

Photos preserve what was found when existing construction was opened up.

Structural work

Foundation, framing and weather protection can be reviewed even after finishes cover them.

Complete transformation

The sequence connects the original condition to the finished space instead of showing only the polished ending.

More from the build

Foundation to finish.

A selected set from more than 100 progress photos taken during the project.

Planning lesson

Major remodeling starts with the existing structure.

When an addition, porch, sunroom or deck has unknown framing below it, the right scope cannot always be determined from finished surfaces. We inspect what exists, document what we find and build the project around the conditions that are actually there.

The goal was not to preserve a failing room. It was to build a dependable new space that belonged with the house.

Planning a major remodel or addition?

Let’s talk through the existing structure first.

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