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Redwood PSE with rounded corners, 90mm x 90mm x 4200mm, is a planed-all-round softwood section finished to a smooth, ready-to-use profile. The rounded-corner detail makes it a practical choice for newel posts, stair components and interior joinery where exposed arrises need to look clean without additional routing work.
| Property | Detail |
|---|---|
| Material | European Redwood (Pinus sylvestris) |
| Treatment | Untreated |
| Finish | Planed Smooth All Round (PSE), rounded corners |
| Nominal Size | 90mm x 90mm |
| Length | 4200mm |
| Profile | Square section with rounded corners |
| Use Class | Internal use or protected environments |
Store the timber horizontally, fully supported and off the ground, in a dry indoor space for at least 48 to 72 hours before working with it, allowing it to acclimatise to the ambient temperature and humidity of the room where it will be fitted. Because this section is supplied untreated, apply your chosen finish, whether paint, stain, oil or varnish, before and after installation to seal all faces and end grain against moisture movement. Fix using suitable structural screws or bolts depending on the application, pre-drilling close to ends to prevent splitting in this heavier section.
What is the actual finished size of this 90mm x 90mm redwood PSE?
The 90mm x 90mm is the nominal sawn size. After planing, the finished size will typically be around 86mm x 86mm, though this can vary slightly by batch. If you need a precise finished dimension for a joinery project, contact Nottage Timber Merchants before ordering and we can advise on the specific stock available.
Can this redwood PSE be used outdoors?
This section is supplied untreated and is intended for internal use or well-protected environments such as covered porches or sheltered outbuildings. For outdoor use, you would need to apply a suitable exterior-grade preservative treatment and maintain the finish regularly, or specify a pre-treated section instead.
Is this section suitable for use as a newel post?
Yes, the 90mm x 90mm section with rounded corners is a common choice for newel posts in domestic staircases. The rounded-corner profile removes the need for additional routing on the arrises, saving time on site. Always check your specific staircase design requirements and building regulations for your project before ordering.
Browse the full range of newel posts at Nottage Timber Merchants for matching staircase components, or explore our PSE timber collection for further planed sections. We supply trade and retail customers from our Bridgend yard, with next-day delivery available across the South Wales area.
