Timber Floor Construction

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

Timber floor construction.

Step 9 secure the plywood with your screwgun and 1 1 2 inch screws. The osb or plywood must be staggered like stacking bricks to give it strength. Although cold formed steel framing for floor systems also is permitted by the irc it is not covered here. Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s.

6 4 10 construction of timber floors upper floors shall be constructed in a workmanlike manner and provide satisfactory performance. In the typical new york state timber framed dutch house the plate is 3 to 4 ft. Osb floor sheeting is typically 3 4 thick and comes with a tounge and goove to give the spans between the floor joists strength. Floor covering is the aptest description since everything below the substrate can be considered the real floor in terms of structure and permanence.

Spread carpenter s glue over the top edges of the joists as you lay each plywood piece. Ground floor hollow or timber floor hollow floors also known as suspended or timber floors are simply timber joists suspended across and supported by load bearing walls under the floor. Some newer homes have manufactured i beam shaped joists. Also as timber framing was seen as a cheaper way of building often the visible structures of noble houses were in stone and bricks and the invisible or lateral walls in timber framing.

Floor cassettes are in open closed and insulated formats. In urban areas the ground floor was formerly built in stone and the upper floors in timber framing. Called a floor covering or finish floor this might be ceramic tile solid wood laminate engineered wood luxury vinyl carpeting and many others. 3 in most buildings this joint is housed because the tie beam often carries floor loads.

On center illustrate the tie below plate condition. Above the second floor. The closely spaced h bents typically 3 to 5 ft. Ceiling joists are usually 2 by 6s or sometimes 2 by 4s if it is an older home.

The final step in building a floor for a house is to sheet it with osb. The ends of these timber joists are built into or suspended by joist hangers from the external walls of the property. 69 chapter 4 floor construction woodframe floor systems and concrete slab on grade floors are discussed in this chapter. We offer a range of timber floor frames and construction methods.

Once all the joists are in lay the plywood tongue and groove subflooring over it with the length of the plywood running in the opposite direction as the length of the joists. Rather the reader is referred to the aisi standard for cold formed steel framing prescriptive method for one and two family dwellings aisi 2001 for guidance.