Services · New volume
Additions
An addition is a small building married to an old one. Helix frames the new volume, ties the roofs, and sides the joint so the seam does not announce itself every time it rains.
Design studio
One additions project. Change any part of it.
Drag to turn the model. Each control changes only the part it names, and the spec underneath updates with it.
Building the model
Drag to turn
Configure
Two stories addition, lap
Sage · Lap
- Profile
- Two stories, with the roof tied into the existing house. Lap siding at a 7 inch exposure in sage, trim in warm white.
- Spacing
- Courses level, joints off the stud
- Substrate
- New wall on a new foundation, benchmarked to the old floor
- Helix does
- We frame the addition, tie the roofs, and hang the cladding.
- Partner does
- Foundation, roofing, and the shingles at the tie-in.
Before and after
Drag across the job.
What is in the scope
- 01Single-story and second-story additions
- 02Roof tie-ins and cricket framing
- 03New floor systems over crawl spaces or slabs
- 04Envelope work where new siding meets old
Typical sequence
- 1Protect the existing house and establish a benchmark
- 2Frame the addition through dry-in
- 3Side and flash the tie-in before interior trades stack up
- 4Punch the exterior before we call the job closed
Related work
