Custom Home Framing
Today, we’ll walk you through this custom home under construction in Middleton, Idaho. We’ll highlight the progress made so far, including home framing and the standing of some big walls. Let’s get started.
Exploring the ZIP System Wall
This green wall behind me is a ZIP System by Huber, which acts as an air and weather barrier.
Unlike Tyvek, the ZIP System also functions as a shear panel, using 7/16-inch material for shear strength and moisture resistance. The weather barrier has a permeability rating of about 12 or 13 perms, allowing vapor to transfer while blocking bulk water.
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Applying ZIP Tape for Sealing
To seal the wall, we use ZIP Tape, which bonds with the OSB to create an air and water barrier. The tape is three and three-quarters inches wide and needs to be pressed flat with a ZIP System roller to prevent creases or gaps. It creates a pressure-sensitive seal, ensuring nothing gets behind the barrier.
Liquid Flash and Additional Sealing
At the bottom of the wall, we’ll apply ZIP System’s Liquid Flash to seal gaps and reinforce the air and moisture barrier. It will ensure a complete seal from the base of the wall to the foundation, adding durability to the construction.
We pre-sheeted the walls with the ZIP System while flat on the roof deck, making installation easier. The walls were stood, trimmed, and nailed to secure the home framing.
Inside the Home: Engineered Floor Trusses
The ceiling and subfloor feature engineered floor trusses supported by a pony wall beneath the second-floor framing. These trusses allow for easy routing of mechanical systems like HVAC and plumbing, with mechanical chases built into the design.
We used three-ply girder trusses to carry the load of the stairs, reinforced with Simpson screws for extra strength. Shear transfer blocks were added between the sheets of plywood to ensure proper load distribution.
Adjusting Hold-Down Bolts
Hold-down bolts were extended using coupler nuts to meet the embedment requirements for the stem wall. It ensures a secure connection between the bolts, blocks, and HDU hardware, providing additional structural integrity.
Second-Floor Framing
On the second floor, we stood the first steep-pitched wall, which will support a rafter and vent at the top. Fire blocking was added to prevent flames from traveling into the attic cavity, ensuring safety and compliance.
We installed double bottom sills and double trimmers for the windows, ensuring solid interior and exterior trim nailing. This approach provides a sturdy and secure base for casing and siding, enhancing the overall quality of the build.
Wrapping Up
Thanks for joining us on The Real Property Show. We’ll keep sharing updates as this project progresses.
Request a project consultation for more information on building a custom home or ADU. Take a look at our comprehensive collection of similar videos on our YouTube channel, The Real Property Show.
