Timber Floor Joists

Understanding floor joist spans wood species.

Timber floor joists.

Higher grades of lumber clear. Some of those options include laminated veneer and strand lumbers i joist and rim boards. Mouldings planed timber planed timber mouldings skirting cladding wood flooring window boards. I joists are the most common way to structurally frame an upper floor in a residential building.

Sheet materials mdf hardboard chipboard osb plywood door blanks. As the name trimjoist indicates our product can be trimmed on the construction site for a custom fit. Contact us for alternative lenghts. Sawn carcassing timber cls studwork timber carcassing timber batten fencing timber joists.

The fewer defects contained in a piece of lumber the stronger it will be. I joists are also commonly used in flat roofs for both residential and commercial buildings. Floor joists capacities carrying capacities of domestic timber floor joists grade c in metric units floors live loads floors and minimum uniformly distributed live loads maximum size of duct or pipe through steel joists k series joists and maximum size of ducts and pipes. The flange material is typically laminated veneer lumber lvl or solid sawn lumber and the web is made with plywood or osb.

In traditional timber framing there may be a single set of joists which carry both a floor and ceiling called a single floor single joist floor single framed floor or two sets of joists one carrying the floor and another carrying the ceiling called a double floor double framed floor. At donaldson timber engineering we design and cut all of our i joist flooring systems using metsawood s finnjoists. The term binding joist is sometimes used to describe beams at floor level running perpendicular to the. No more custom made floor trusses.

Sawn and treated timber is one of the oldest and most widely used building materials used in the world today bot. Trimjoist is the marriage of an open web floor truss and a trimmable wooden i joist bringing the best features of each to the relationship. Timber joists are available from us in numerous sizes. In addition we carry a wide selection of lumber and boards.

See our drop down menu for the full list of sizes. I joists are comprised of top and bottom flanges which resist bending united with webs which provide outstanding shear resistance.