Timber Floor Construction Details

Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s.

Timber floor construction details.

A wallplate is then attached to the top of the tassel walls on which the floor joists rest on. Suspended timber ground floors consist of the finished timber floorboards being attached to floor joists which are suspended above the subfloor of the foundation. 2 heavy timber construction details. Ce 200 details of construction.

The timber floor joists should be sized correctly depending on their span length between supports and are normally laid across the shortest span from wall to wall with a gap underneath. Wooden battens of 50 to 75mm thickness and trapezium in shape are embedded in bed concrete at an interval of 500 to 700mm. An intermediate wall with a small foundation may be needed to reduce the span and keep the thickness of the floor joists to a minimum. These floor joists are raised above the subfloor on small supporting walls called tassel walls or sleeper walls.

Ceiling joists are usually 2 by 6s or sometimes 2 by 4s if it is an older home. Discuss allowable construction types occupancies and building heights and areas for wood frame mid rise construction per the international building code. The ends of these timber joists are built into or suspended by joist hangers from the external walls of the property. Examine a variety of floor to exterior wall details for use in wood frame type iii construction and discuss code compliance paths and approval rationale for each.

Planks are connected to battens by using screws. A floor s framework is made up mostly of wooden joists that run parallel to one another at regular intervals. Some newer homes have manufactured i beam shaped joists. Planks are connected to each other by tongue and groove joints.

Wood construction data 1. Wood frame or glued laminated arches for roof con struction which spring from the floor line or grade and do not support floor loads shall have members not less than 6 inches nominal in width and 8 inches nominal in depth for the lower half of the height and not less than 6 inches nominal in any dimension for the upper half of the height. Wooden planks are laid on the battens. Such methods use a 4 foot design module which governs a 16 inch spacing of joists studs rafters.

The details were adapted from figures in the apa publication the advanced framing construction guide form m400 which highlights construction. Details for conventional wood frame construction.