Detail Single Joist Timber Floor

The following table gives details of allowable spans and spacing between joists for the most common timber sizes used in floor construction.

Detail single joist timber floor.

Construction details in this type of flooring timber planks of 20 to 25mm thickness and width 150 to 200 a concrete bed of 100 to 150mm thick is laid. Wall plates sleeper wall 10 to 15 mm cement course. Filling of selected earth wall bridging joists floor boards f l d p c. A floor s framework is made up mostly of wooden joists that run parallel to one another at regular intervals.

Ce 200 details of construction. Planks are connected to each other by tongue and groove joints. Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s. Wooden battens of 50 to 75mm thickness and trapezium in shape are embedded in bed concrete at an interval of 500 to 700mm.

Each joist has a 3 5 inch wide nailing flange on the top and bottom virtually ensuring a non squeak floor when properly installed. For the detail blog go to the link below. Double joist timber beam. Single joist timber beam.

All the figures are based on normal domestic floor loadings where the floor construction is typically 18 25mm floor boards sheets with up to 12 5mm thick plasterboard and skim underneath. Ceiling joists are usually 2 by 6s or sometimes 2 by 4s if it is an older home. Some newer homes have manufactured i beam shaped joists. Single joist timber floors this is the simplest type of timber floor used for residential buildings where spans are short or moderate say up to 4 m and loads are comparatively lighter.

Framed triple joist timber floor. Tji joists are lightweight and come in long lengths which makes them faster and easier to install than traditional framing and saves you both. Section r502 10 of the international residential code states that header joists can be the same size as the floor joists when the header joist span isn t greater than 4 feet but if the header joist span is more than 4 feet you ll need to double the header joist and ensure that it s capable of. The floor consists of wooden joists also called bridging joists spaced 30 to 40 cm apart and supported on end walls over which timber planking or boarding is fixed.

Additional support for the floor joists is achieved by nailing the ends of the joists into headers. Wooden planks are laid on the battens. The dimensional stability of tji joists help them resist warping twisting and shrinking that can lead to squeaky floors. Trus joist tji joists are a key part of making a high performance floor.