The floor joist spacing is the distance between the centers of any two installed joists.
Triple joist timber floor plan.
The widest span in the floor joist span table in part 2 of this tutorial module showed that floor joists can span 17 2 if they are 2 x 12s spaced 12 o c.
See the image below for an example of joists spaced 16 on center 16 o c.
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.
Framed or triple joists timber floors.
The will butt against the timber post not sit on top of it.
Double joist timber beam.
Framed triple joist timber floor.
Let s expand our house beyond that 17 2 span capability to 24 feet wide.
Single joist timber beam.
T imber flooring basement or ground floor of timber.
Ce 200 details of construction.
T ypes of floors 1.
Given that the depth of the post is the same as the width of the triple joist i can t see that hangers can be used.
Single joist timber floors.
Since the example house we are designing for is 12 feet wide we need to find in the floor joist span table a joist size and centering that can span 12 or wider.
So the house dimensions will now be 24 x 13.
Timber floor composite floor 3.