When Rhode Island builder John Spier is getting ready to frame a floor, he doesn’t place an order for dimensional lumber. He calls in an order for I-joists. These engineered floors joists are pricier than regular lumber, but because they are straighter and flatter, they can be installed more quickly. That means big savings in labor costs. I-joists are a component of an engineered floor system, and they require a specific installation process and hardware, including joist hangers. After the joists are in place, a subfloor locks together the layout.
You must be a member to access this story.
Become a member today and get instant access to all Fine Homebuilding content!