Timber Upper Floor Construction Details
Wood construction data 1.
Timber upper floor construction details. Timber upper floors can be divided into two types single and double. Construction details of upper floors. Timber floors though quite light in weight that have poor fire resistance and sound insulation properties. These are basically timber rsjs rolled steel joists with an i shaped cross section comprising top and bottom flanges made of softwood or lvt laminated veneer timber bonded to a tall vertical web of osb oriented strand board or a.
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. Today the upper floors in most new homes are built using factory made timber i joists also known as i beams. 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. 150mm insulation 0 044w mk between rafters.
215mm aircrete solid wall λ 0 15 w mk render insulation λ 0 022 w mk pitched roof gable. Such methods use a 4 foot design module which governs a 16 inch spacing of joists. This is probably the most well understood intermediate floor structure and generally the most affordable. Some newer homes have manufactured i beam shaped joists.
These floor joists are raised above the subfloor on small supporting walls called tassel walls or sleeper walls. These joists can be used with any building system with generic details available for how each joist should be installed into the best known construction types including masonry cavity walling and timber frame panels. Single floors are those that have their joists spanning from one wall to the other without any intermediate support. Details for conventional wood frame construction.
Construction details of some of this upper floor have been elaborates here for rest. Suspended timber ground floors consist of the finished timber floorboards being attached to floor joists which are suspended above the subfloor of the foundation. Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s. Ceiling joists are usually 2 by 6s or sometimes 2 by 4s if it is an older home.
You might refer any of the standard text. The following table gives details of allowable spans and spacing between joists for the most common timber sizes used in floor construction. Double floors are those that have their joists supported by beams between the supports at their ends. Solid external masonry wall.
Building and understanding a suspended or hollow timber floor.