Suspended Timber Joist Floor

175 mm timber joists and 18 mm timber boards.

Suspended timber joist floor.

Suspended floor ufh systems if you are looking for a suspended underfloor heating solution then look no further than us. Solid blocking the same depth as the joist with individual blocking pieces fixed at 1800mm centres. Hollow floors also known as suspended or timber floors are simply timber joists suspended across and supported by load bearing walls under the floor. What is a suspended timber floor.

A boundary joist 25mm thick and the same depth as the joist. Suspended timber floors which are typically found in older houses are normally made from timber floorboards which are then attached to joists just above the foundations of a house. By utilising the space in the joist void with effective insulation underfloor heating maximises heat output and allows an even distribution of heat across the entire floor space. If there s wall board covered ceiling suspended from the underside of that floor the dead load increases to about 10 pounds per square foot.

Ground floor hollow or timber floor. Joists are most commonly part of a suspended timber floor construction and help to support the subfloor which is installed on top. The best way to overcome the problem as long as the floor is relatively sound is to a screw and glue 18 25mm ply to the floor. Joisted floor ufh where a floor deck is supported by timber or engineered joists can be a headache to install but our solutions make the job easy.

The ends of these timber joists are built into or suspended by joist hangers from the external walls of the property. Those with a victorian home who have dared to look below the ground floor decking will notice that in many cases all that s below is dirt. Floor structures are generally one of two types solid or suspended. Nzs 3604 2011 has two options for the lateral support at the ends of floor joists for a suspended floor on a pile foundation see figure 1a.

That s not acceptable these days and the need for a solid concrete oversite is one of the main reasons for this type of flooring system falling out of favour. A typical wood frame floor covered with carpet or vinyl flooring has a dead load of about 8 pounds per square foot. Suspended timber floor with floorboards removed for most heritage properties the most effective and appropriate way to insulate a suspended floor and improve its airtightness is to retrofit insulation beneath the floorboards between the supporting joists figure 2. The dead load on a floor is determined by the materials used in the floor s construction.

The screws are to be fixed 150mm apart. What is a joisted floor.