Question 1

1. What’s best practice for storing 8 by 2 timber on-site?

Accepted Answer

To maintain the quality of the timber, store it flat and elevated on bearers or pallets in a dry, well-ventilated area. Cover stacks with breathable, waterproof sheeting (not in direct contact with the wood) to prevent moisture buildup and warping. If you need to store the timber for a long period, make sure to regularly inspect it for damp or pest damage.

Question 2

2. What is 8x2 timber in mm?

Accepted Answer

“8×2” timber refers to a nominal section of approximately 47 mm × 200 mm, which is planed down (regularised) to a finished size close to 45 mm × 195 mm (about –2 mm thickness and –5 mm width). You may also hear it described as ‘2 by 8 timber’, although this is less common.

Question 3

3. When should I use untreated vs treated 8x2 timber?

Accepted Answer

Use treated timber for any project exposed to moisture, ground contact or external weather. Untreated timber is fine for dry, internal jobs.

Question 4

4. What’s 8x2 C24 timber?

Accepted Answer

C24 is structural-grade timber with higher strength and stiffness. 8x2 refers to the dimensions of the piece of timber in inches.

Question 5

5. What’s 8x2 tanalised timber?

Accepted Answer

Tanalised timber is pressure-treated to resist rot and insect attack. The ‘8x2’ refers to the size of the piece of timber in inches.

8x2 timber

47mm x 200mm x 3.0m Regularised Treated Sawn Timber C24

47mm x 200mm Structural Graded C24 Treated Carcassing Timber 5400mm (8'' x 2'')

47mm x 200mm x 4.8m Treated C16 Timber Carcassing