With all joined timbers supported by fully nailed proprietary joist hangers.
Triple joist timber floor.
T imber flooring basement or ground floor of timber.
Around floor openings such as stairs it will be necessary to install larger or double triple timber trimmers bolted together to carry the floor joists see guide leaflet 6 for information.
The floor consists of wooden joists also called bridging joists spaced 30 to 40 cm apart and supported on end walls.
In these cases the joist hangers will be 4.
Affordable timber floor finish may last for up to 8 years.
Timber is natural hard wearing and when maintained and kept clean it avoids carrying dust and allergens which promote asthma and other respiratory.
This sample table gives minimum floor joist sizes for joists spaced at 16 inches and 24 inches on center o c for 2 grade lumber with 10 pounds per square foot of dead load and 40 pounds of live load which is typical of normal residential construction.
Live load is weight of furniture wind snow and more.
Timber floor composite floor 3.
Maximum floor joist span for no.
This is the simplest type of timber floor used for residential buildings where spans are short or moderate say up to 4 m and loads are comparatively lighter.
Dead load weight of structure and fixed loads 10 lbs ft 2.
1 ft 0 3048 m.
Basement ground floor of timber 1 auditorium dances and dramas.
Double joist timber beam.
True floor joist span calculations can only be made by a structural engineer or contractor.
Framed triple joist timber floor.
T ypes of floors 1.
1 psf lb f ft 2 47 88 n m 2.
The cost of recoating a timber floor is more affordable.
Double and triple joist hangers.
Single joist timber floors.
Single joist timber beam.
Double and triple joist hangers are wider to accommodate either a thicker piece of lumber or two or three joists placed side by side.
Framed or triple joists timber floors.
2 grade of douglas fir are indicated below.