Timber floors are used only in areas where more timber is available at reasonable cost. Further they are used for residential buildings where the span is less and load on the floor is less.
The floors may be of single joist, double joist or triple joist. Joists of floors should be strong enough and not deflect too much causing any cracking of plaster of ceiling. Further long joists need strutting to avoid buckling. The planking consists of wooden boards of 4 cm thickness and 10–15 cm wide. Figure 23.6 shows the details of single joist timber floor, and the details of the joist’s joint is shown separately.
Figure 23.6 Details of single-joint timber floor
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