First Floor Timber Construction Details

Solutions for first floors include traditional softwood joists timber i joists or open metal web joists.

First floor timber construction details.

There are many benefits to building a timber frame extension and not just the extra space and added value that it gives to your home. The latter options are more expensive but provide considerable benefits. Wood construction data 1. Few if any materials can compete with wood framing in the construction of houses.

5 showing a timber frame 1st floor detail. Unlike softwood joists timber i joists do not warp over time providing a quiet floor while open metal web joists can provide an easy means of installing services. Some newer homes have manufactured i beam shaped joists. 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.

Such methods use a 4 foot design module which governs a 16 inch spacing of joists. Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s. Details for conventional wood frame construction. Whether building a ground floor suspended timber floor or a first floor hollow floor we explain the different options and techniques that you can use in its construction.

The following table gives details of allowable spans and spacing between joists for the most common timber sizes used in floor construction. With a timber frame extension you can achieve the weathertight stage in days rather than weeks which not only means less time spent on site but also less dependence on good weather conditions and reduced levels of disruption. The first approach to achieving a strong durable struc ture involving economical use of materials is to follow a basic modular plan for layout and attachment of framing members. However to provide this efficient wood house good construction details are important as well as the selection of mate rials for each specific use.

Ceiling joists are usually 2 by 6s or sometimes 2 by 4s if it is an older home. Building and understanding a suspended or hollow timber floor. Additional construction details drawings as well as the small selection of foundation wall floor and roof construction detail drawings shown here many of the building notes have a related construction detail drawing with specific dimensions eg rafter sizes spans insulations types for purchase with the building specifications. We explain how hollow or suspended floors are made and what the key building regulations that affect them are.

A floor s framework is made up mostly of wooden joists that run parallel to one another at regular intervals.