What is Hy joist?
hyJOIST® is a cost effective, lightweight I-Joist used in residential and commercial construction. hyJOIST is strong, light, easy to install and available in a wide range of sizes. hyJOIST gives you more options for designing economical floor joist layouts.
What are joists and bearers?
Bearers are the timber or steel that attaches directly to the stumps in the ground, that supports the deck of flooring structure. Joists are the timbers that then attach across the top of the bearers, after which the timber or particle board floor is then attached.
What are posi joists?
Posi-Joist technology is a metal web joist system that can be used for floor and roof structures. Posi-Joists are designed and manufactured to suit each project and can be specified in a wide range of widths and depths to satisfy individual project requirements.
What is a Hyspan beam?
Laminated Veneer Lumber is an engineered plywood composite structural timber with great spanning capabilities, very strong and stable, and can be treated for external use.
Which direction do bearers run?
The bearers rest on top on the piers and usually run the direction of the longest wall. Joists are then laid in the opposite direction.
How do you fix joists to bearers?
Once the bearers are attached to the posts and level, attach diaganal strapping to brace the deck. The joists run perpendicular to the joists at a maximum spacing of 450mm. The joists are attached to the bearers using nails on either side. If you need to join two joists, use a butt joint directly above a bearer.
What does OWSJ stand for?
open web steel joist
In structural engineering, the open web steel joist (OWSJ) is a lightweight steel truss consisting, in the standard form, of parallel chords and a triangulated web system, proportioned to span between bearing points.
Are posi joists stronger than timber?
Posi-Rafters are suitable for both pitched roofs and flat roofs. They are stronger than solid timber rafters and so can span further and require less internal support.