In other words a 40 span floor truss would be about 40 inches in depth.
How to install wood floor trusses.
Truss system fewer pieces to handle and reduced installation time wide 3 1 2 nailing surface for easy floor deck application eliminate notching and boring joists for electrical wiring and plumbing floor trusses offer better availability and less in place cost than 2x8 or 2x10 joists factory manufactured components.
The most common way to lay install hardwood flooring is by aligning the planks parallel to the longest wall or run in the installation.
Apart from a few exceptions like sagging joists this is the preferred direction to lay wood floors because it provides the best result aesthetically.
Start the installation at the longest unobstructed wall.
Tips on installing floor trusses.
In my own home we have floor trusses which clearspan 48 feet.
Framers must take care however to set the trusses to the manufacturer s.
Remove the shoe molding and snap a chalk line 3 8 out from the baseboard this allows for expansion in the hot humid weather and contraction in the colder drier weather of the hardwood flooring.
Plan on the thickness of the floor being roughly equal in inches to the span in feet.
Make sure you ve got the right amount of flooring for your space.
When learning how to install hardwood flooring there are a few tips to keep in mind.
When possible begin installation from the straightest longest wall and install the flooring perpendicular to the floor joists.
Open web wood floor trusses can be designed to support nearly any span.