What Timber is Best for My Fence?

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What Timber is Best for My Fence

The care and maintenance of your outdoor timber/fence start with the choice of timber you make. Choosing the right wood or timber supplies Brisbane will make it such that you do not need to reinstall a new one in the nearest future, you would not even need repairing your fence any time soon. However, if you choose the wrong wood or timber, you will be so livid that you’d wished you chose another fencing material.

Most fences consist of three major components, these are:

  1. The fence posts which are placed on the ground in support of the fence.
  2. The fence rails which are attached to the fence posts for improving the stability and strength.
  3. The fence siding which is available in different styles. For instance, palings and pickets, which are two of the most common fence siding styles.

All the components of fencing are exposed to the elements, only the poles which are buried in the ground are the most sensitive to decomposition and infestation of termites. If a fence is spoilt for any reason, it will also affect the siding and rails. Because of these, the choice of fence posts you make is of fundamental importance.

Types of timbers

Natural timbers are divided into different categories according to their classes of natural durability:

The Class I timbers are the most resistant to decay and decomposition, they are also the most durable.  This class of timber includes iron bark, cypress, tallowwood, turpentine, yellow cedar, gray gum, and Berlin.

Class II timbers are suitable for underground use, but they are less durable. While the class I timbers are likely to last for around 25 years or even more when buried in the ground, the class II woods may only last between 15 and 25 years. Some are blackbutt, spotted gum, merbau, western red cedar, and white & black stringy bark.

Class III timbers are better suited to be used above the ground. Some of them are the brush box, the blue Sydney gum, and the silver top stringy bark.

Class IV timbers may not be suitable to be used for fencing if they are not treated. Most of the class IV timbers such as radiata pine, Douglas fir, slash pine and etc. are softwoods. Some hardwoods, like the Victorian ash, the Tasman oak, etc. all belong to Class IV timbers.

Treated Timbers

It is often assumed that treated pine and the other treated timbers are identical. In reality, however, there are different classifications for treated timbers, like we have for the natural timbers:

  • H1 is only suitable for indoor use.
  • H2 is a bit more durable, however, it does not withstand moisture for long.
  • H3 the treated pine may be used in temperate climatic conditions above the ground.
  • H4 radiata that’s treated may be used outdoors and also in the ground.
  • H5 is able to withstand extreme wetting.
  • H6 is also good for marine applications.

For more information, please see:
https://www.timberandfencingbrisbane.com/

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