What size are timber joists?

Spacing (distance apart) of joists – centres

How far apart are wooden joists?

In most homes, the common standard is 16 inches on-center. This means from the center of one joist to the center of the next joist there is a measurement of 16 inches. This spacing can be as much as 24 inches apart if you are using a higher grade (therefore stronger) lumber or if your span is very short.

What size joists do I need?

Deck Joist Spacing How do I keep them even? In general terms, joists spaced 16 inches on center can span 1.5 times in feet their depth in inches. A 2×8 up to 12 feet; 2×10 to 15 feet and 2×12 to 18 feet. The larger the deck, the larger the joists.

How far are joists apart UK?

450mm tends to be the normal spacing adopted. Building regs give span tables for spacings of 400mm, 450mm, and 600mm. For wider spacings the flooring material will need to be thicker, however.

What size is 4X2 CLS?

47X100mm (4X2″) Sawn Treated, C24 Graded & Regularised Timber. 47x100mm is also commonly known as 4×2 inch, although the actual finished dimensions for this product are 45x95mm.

What is the difference between CLS and C16 timber?

The CLS timber falls into the easy-edge C16 timber. The easy-edge timber is usually graded as standard C16 timber, but it is smoother and machine-finished making it suitable for a wide range of construction jobs. The easy-edge CLS wood timber is widely used in framing.

Which is better C24 or C16 timber joist?

C24 timber joists are kiln-dried to reduce moisture and is highly regarded for its durability and strength. Compared to lower graded timber like C16, this timber floor joist offers superior properties and performance levels.

What can C16 graded timber be used for?

If you are wondering whether C16 graded structural timber is the right type of timber for your project, then it can be used in many different applications and is seen as the most cost-effective option. It is most commonly used in internal construction including floors, roofs, and minor building works where the performance of the timber matters.

Which is better for flooring C16 or C24?

In terms of load carrying and strength C24 clearly outperforms C16, which makes it ideal for the applications we mentioned above. However, the type of timber you need depends on the performance requirements for your project. This can vary, so where C16 may be appropriate for on application, C24 may be more suited for another.

Why are wood I beam joists more stable?

In contrast, Wood I Beam joists are more stable by design. The wide flange helps reduce vibration, creating a firmer feeling floor. Wood I Beam joists are produced at a lower mois- ture content, thereby minimizing the effects of shrinking, twisting, and warping.