What is the difference between H3 and H4 treated pine?
The ‘H’ denotes the level of treatment and what the treated timber can be used for: H2 protects against termites and is for inside use only. H3 protects against termites and wood rot, and is for outside, above ground only. H4 is for outside, non-structural, in contact with ground, such as posts and garden edges.
Is Bunnings treated pine safe?
Re: Treated Pine Fence Pailings and Arsenic Health hazards may result from exposure to copper chromium arsenic (CCA) treated timber. For information and tips, click on the links contained on the Health and Safety section of the Bunnings website.
What length does treated pine sleepers come in?
Treated Pine Sleepers are available in the following sizes: 2.4 metre x 200mm x 50mm. 2.4 metre x 200mm x 75mm. 2.4 metre x 200mm x 100mm.
Can treated pine sleepers be used for garden beds?
Vegetable garden Treated pine sleepers are safe for use in vegetable gardens. If you are still concerned, you can seal the inside with various materials to prevent the chance of any leeching of chemicals into the soil.
What does the H stand for in timber treatment?
The hazard class rating H1 to H6 tells you the level of treatment you need for the job in mind. H1. The treatment level for low hazard situations where timber is not exposed to the weather. Its major use is for framing timber and interior linings.
How can you tell if pine is treated?
Most landscaping products such as Logs and Sleepers will be Treated to a H4 level. Most F7 Lasercut (Rougher Headed) products are treated to a H3 level. Look for the branding marks/label at the ends of your timber. Landscaping products will always be branded on one end (& most of the time to H4)
Can you use H4 treated pine for garden beds?
Best timber for your raised veggie gardens You will need to buy timber rated at least H4, but H5 and H6 provide more protection (H6 is rated for below-ground use and is recommended). One of the most popular materials used for raised garden beds is timber, with treated pine being commonly used.
What is a Sienna sleeper?
Timberlink Sienna sleepers are ideal for decorative landscape applications such as garden beds and sandpits. Non CCA treated, the Copper Azole treatment means that Sienna Sleepers can be used in applications likely to involve direct human contact, such as children’s playgrounds.
What is a H4 sleeper?
H4 treated pine sleepers are resistant to rot and attack by termites and borers, making them suitable for in-ground or ground-contact use, including retaining walls and fence posts. These sleepers are also available in a pack of 24, please call us for more information.
How long does H4 treated pine last?
15-25 years
H4 treated timber lasts for 15-25 years. In reality, it can last as low as one year and all the way up to 30+.
Is H4 treated pine safe?
When purchasing timber, ensure that the type of wood you select hasn’t been treated with toxic chemicals and is the right grade of treated pine for in-ground use. You will need to buy timber rated at least H4, but H5 and H6 provide more protection (H6 is rated for below-ground use and is recommended).
How long does H4 treated pine last in the ground?
H4 treated timber lasts for 15-25 years. In reality, it can last as low as one year and all the way up to 30+.