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$14.11The Story
Treated timber fence posts in 150mm x 150mm (6x6) UC4 are pressure treated for direct ground contact, making them a reliable choice for heavy-duty fencing, gate installations, and structural outdoor posts. Available in 2.4m, 3.0m, and 3.6m lengths from Nottage Timber Merchants.
Specifications
| Property | Detail |
|---|---|
| Material | Softwood timber |
| Treatment | Pressure treated, incised |
| Use Class | UC4 (suitable for ground contact and fresh water exposure) |
| Nominal Size | 150mm x 150mm (6 x 6 inch) |
| Finish | Rough sawn |
| Profile | Square section post |
| Lengths | 2.4m (8ft), 3.0m (10ft), 3.6m (12ft) |
What it's used for
- Heavy-duty garden and boundary fencing, including close-board and panel systems
- Gate posts for timber field gates, driveway gates, and pedestrian gates
- Agricultural and rural boundary fencing
- Pergola and outdoor structure uprights requiring in-ground fixing
Fitting and handling
When cutting these posts to length on site, always apply a liberal coat of end-grain preservative to any sawn surfaces to maintain full UC4 protection. Posts should be stored flat and off the ground prior to installation, ideally under cover if left for any extended period. For in-ground fixing, set posts in concrete or use a suitable steel post spike, ensuring a minimum of one third of the post length is below ground for adequate stability.
FAQ
What does UC4 treatment mean for a fence post?
UC4 (Use Class 4) is a preservative treatment standard recognised across the UK and Europe. It means the timber has been pressure treated to a level that makes it suitable for permanent in-ground contact and exposure to fresh water, providing long-term resistance to rot, decay, and insect attack without further treatment needed on uncut surfaces.
Do I need to treat the cut ends after sawing a UC4 post?
Yes. The pressure treatment penetrates the outer section of the timber, so any cut surface exposes untreated wood. You should apply two generous coats of a compatible end-grain preservative to all sawn ends before installation to maintain durability at that point.
What size post do I need for a 1.8m (6ft) fence panel?
For a standard 1.8m fence panel, a 2.4m post is typically used, allowing approximately 600mm to be set in the ground. Where soil conditions are loose or the fence is exposed to higher wind loading, a 3.0m post with a deeper set is a more secure option.
Browse the full range of timber fence posts at Nottage Timber Merchants, including smaller section posts and accessories. We supply trade and retail customers across Bridgend and South Wales, with next-day delivery available to many local areas.
Description
Treated timber fence posts in 150mm x 150mm (6x6) UC4 are pressure treated for direct ground contact, making them a reliable choice for heavy-duty fencing, gate installations, and structural outdoor posts. Available in 2.4m, 3.0m, and 3.6m lengths from Nottage Timber Merchants.
Specifications
| Property | Detail |
|---|---|
| Material | Softwood timber |
| Treatment | Pressure treated, incised |
| Use Class | UC4 (suitable for ground contact and fresh water exposure) |
| Nominal Size | 150mm x 150mm (6 x 6 inch) |
| Finish | Rough sawn |
| Profile | Square section post |
| Lengths | 2.4m (8ft), 3.0m (10ft), 3.6m (12ft) |
What it's used for
- Heavy-duty garden and boundary fencing, including close-board and panel systems
- Gate posts for timber field gates, driveway gates, and pedestrian gates
- Agricultural and rural boundary fencing
- Pergola and outdoor structure uprights requiring in-ground fixing
Fitting and handling
When cutting these posts to length on site, always apply a liberal coat of end-grain preservative to any sawn surfaces to maintain full UC4 protection. Posts should be stored flat and off the ground prior to installation, ideally under cover if left for any extended period. For in-ground fixing, set posts in concrete or use a suitable steel post spike, ensuring a minimum of one third of the post length is below ground for adequate stability.
FAQ
What does UC4 treatment mean for a fence post?
UC4 (Use Class 4) is a preservative treatment standard recognised across the UK and Europe. It means the timber has been pressure treated to a level that makes it suitable for permanent in-ground contact and exposure to fresh water, providing long-term resistance to rot, decay, and insect attack without further treatment needed on uncut surfaces.
Do I need to treat the cut ends after sawing a UC4 post?
Yes. The pressure treatment penetrates the outer section of the timber, so any cut surface exposes untreated wood. You should apply two generous coats of a compatible end-grain preservative to all sawn ends before installation to maintain durability at that point.
What size post do I need for a 1.8m (6ft) fence panel?
For a standard 1.8m fence panel, a 2.4m post is typically used, allowing approximately 600mm to be set in the ground. Where soil conditions are loose or the fence is exposed to higher wind loading, a 3.0m post with a deeper set is a more secure option.
Browse the full range of timber fence posts at Nottage Timber Merchants, including smaller section posts and accessories. We supply trade and retail customers across Bridgend and South Wales, with next-day delivery available to many local areas.
