Sheet materials mdf hardboard chipboard osb plywood door.
Timber joists on concrete floor.
A typical wood frame floor covered with carpet or vinyl flooring has a dead load of about 8 pounds per square foot.
Upper floors shall be constructed in a workmanlike manner and provide satisfactory performance.
Alternatively screw rows of treated 1x4s to the concrete 16 in.
Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies.
Suspended floors are normally made up of 2 materials either timber joists or a concrete beam system.
Building a framed wood floor over an existing concrete slab can provide the space needed for electric wiring heat venting plumbing drain lines and added insulation when remodeling a basement or garage space.
Sawn carcassing timber cls studwork timber carcassing timber batten fencing timber joists.
Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly.
6 4 10 construction of timber floors.
Issues to be taken into account include.
Concrete cutting tools concrete mixers block splitters concrete masonry saws cutting.
Treated plywood to the concrete with concrete screws spaced every 16 in.
Where built into solid external walls joists should be treated with preservative.
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.
The procedure for installing a floor structure over a slab with 2 by 6 joists can be.
The dead load on a floor is determined by the materials used in the floor s construction.
Timber and concrete upper floors.
Apa performance rated i joists pris are manufactured in accordance with pri 400 performance standard for apa ews i joists form x720 this performance standard provides an easy to use table of allowable spans for applications in residential floor construction allowing designers and builders to select and use i joists from various member manufacturers using just one set of span.
The new timber joists need to be suspended above the concrete normally by around 150mm to prevent moisture transmission through the timber and to provide airflow around the floor.
Solid floors are a lot more substantial and require the ground to be made up in layers of ground sub base sand compacted hard core damp proof membrane insulation and concrete.