3x2 Treated Timber

Make DIY easy with 3 x 2 timber. Otherwise known as 47x75 timber, 3 x 2 is the ideal framework for your next project. Here at Materials Market, we offer high-quality timber, sawn to the necessary length and pressure-treated to prevent fungal and insect attack. We sell 3 x 2 stud timber in various lengths such as 3m, 3.6m and 4.8m - all of which can be trimmed to whichever length your project requires. 

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What is 3x2 Timber In mm?

3 x 2 timber is most often measured in inches, which is an imperial measurement, though it is sometimes measured in metric and this is where millimetres (mm) come into play. 3x2 is considered to be 50x75mm or 47x75mm. This discrepancy is accounted for by the way the wood is cut and prepared. On our website, we sell 75mm x 47mm but the difference in the two sizes is minuscule and will not make a meaningful difference to your project.


What is 3x2 Wood Used For?

Here at Materials Market, all of our timber available to buy online is treated with preservatives, kiln dried, and then planed all around to give it easier-to-handle eased edges. In the building sector, good quality pressure-treated timber is popular as it provides many benefits, namely protection from the elements. 

Thanks to the treatment of the timber, 47x75 timber is suitable for both indoor and outdoor applications such as roofing, flooring and wall applications. 

3 x 2 timber lengths are used for the most part in stud wall partitions, where they provide both the horizontal and vertical sections of a stud wall.

A few examples of how 47x75 timber can be used are:

  • In roof and flooring joists
  • As part of a building structure's timber frame
  • Outdoor decking (due to its durability and moisture resistance)
  • Outdoor frames and pergolas 
  • Fencing
  • Garden sheds and garden furniture

Please note: 3 x 2 is a non-structural timber size, which means that it shouldn't be relied upon to support the building structure.

What's The Difference Between Treated Timber & Sawn Timber?

Sawn timber is wood that has been cut to the required dimensions but hasn't been pressure treated and kiln dried. 

The goal of pressure treating wood is to force preservative chemicals deep into the timber's cellular structure. This pressure treatment process will often include copper and organic co-biocides, which help to repel both insects and moisture. 

Treated timber is sometimes referred to as tanalised timber, which takes its name from the preservative (tanalith E) that is used in the treatment process. After the treatment is applied, the timber lengths are put in an oven to be kiln dried.

Frequently Asked Questions About 3x2 Timber

Is It Possible To Paint 3x2 Treated Timber?

It is both possible and desirable to paint treated timber but there are just a few considerations which are worth mentioning. When treated timber is delivered, it is still wet. This means that the chemicals used in the pressure treatment will not have had the opportunity to dry and it is therefore not advisable to paint it straight away.

A few weeks should be enough to allow for it to dry, provided there are optimum drying conditions. The treated timber should be stored in a warm and dry place, but not somewhere that is too hot and sunny or the wood may bevel and warp, which is far from ideal.

If you try to add paint or primer to the treated wood before it has had the necessary time to dry, it just won't work. The chemicals within the wood will repel the paint or primer. It is worth waiting the necessary time before using treated wood in this way, in order to avoid problems.


Is It Easy To Saw 47x75 Timber To My Preferred Size?

Treated wood can be readily cut to the dimensions required in your project, however, this should only be done with the right equipment, eye protection, and a respirator since the cutting process releases tiny airborne particles of wood, possibly impregnated with the chemicals used in pressure-treating.

Treated wood also cuts a little more like wet wood so some extra care should be afforded to ensure the blade doesn’t slip while cutting.

For more length options, click here. 


How Much Does 47x75 Treated Timber Cost?

Timber is popular and plentiful, so is a relatively inexpensive building material. However, timber prices are prone to fluctuation depending on supply levels, so it is always best to reach out to us if you have a large quantity so that we can price your requirement accordingly.


Is 50x75 Timber Environmentally Sustainable?

All of the timber sold by Materials Market is Forest Stewardship Council (FSC) or Programme for the Endorsement of Forest Certification (PEFC) certified, which is a rubber stamp to show that the timber has been responsibly sourced.