C24 Sawn Green Treated Timber Support 47mm x 100mm
Build with confidence using these durable C24 sawn green treated timber supports, ideal for creating a strong, reliable base for roofing or decking subframes. The FSC®‑certified timber is Tanalith ‘E’ treated for long‑lasting protection against the elements, helping your structure stay stable year after year. Available in 4.2m or 4.8m lengths, the 47mm × 100mm profile offers excellent load‑bearing performance for a wide range of outdoor construction projects.
About Our C24 Sawn Green Treated Timber (47mm × 100mm)
This C24 sawn green treated timber provides a strong, reliable choice for building stable roofing frameworks or long-lasting decking subframes. Graded to the C24 strength class, it offers excellent structural performance, allowing you to create a dependable base that supports heavier loads and longer spans with confidence. The Tanalith ‘E’ treatment adds weather protection, helping the timber stay durable against rot, moisture and insect attack over time.
With fewer knots and a denser grain than standard C16 timber, this profile delivers enhanced strength for more demanding builds. The FSC® certification also ensures the timber is responsibly sourced, giving you peace of mind when working on outdoor projects. When installed on a solid, level concrete foundation, these joists offer exceptional support for decking systems and can also be used for key roofing elements such as rafters or purlins.
Benefits of C24 Sawn Green Treated Timber (47mm × 100mm)
- High-strength C24 timber is ideal for decking and roofing structures
- Tanalith ‘E’ treated for long-term resistance to decay and insects
- FSC®-certified for responsible sourcing
- Denser grain and fewer knots for superior load-bearing performance
- Easy to cut, drill and adapt for a range of installations
Each length is easy to work with and can be sawn, planed or drilled to suit your installation needs. When used for decking, the timber forms the essential understructure beneath boards, especially when paired with recommended posts and fixings.
Please note: These images may vary slightly from the actual item supplied due to lighting variations and camera angles.
Specifications
- Lengths: 4.2m and 4.8m
- Width: 100mm
- Depth: 47mm
- Weight (4.2m): 9.96kg approx.
- Weight (4.8m): 11.38kg approx.
- Treatment: Tanalith ‘E’ preservative
- Strength grade: C24
- Certification: FSC®-certified
Looking for an alternative?
For a 150mm timber support, see our C24 sawn green treated timber decking joist 47mm x 150mm.
Or browse our framework category for roofing framework, decking framework and more.
For large orders or specialist support, call 01837 659901 to speak with our friendly team.
Order A Sample Pack!
Click here to view the online installation guide (1).
Download the datasheet for C24 Sawn Green Treated Timber Support 47mm x 100mm
| Type | When? | Cost? | ||
|---|---|---|---|---|
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National Delivery | Orders under £1,000 | Est. 5 working days* Roofing items 7-10 working days* |
£192.00 |
| Orders over £1,000 | Est. 5 working days* Roofing items 7-10 working days* |
£96.00 | ||
| Orders over £1,500 | Est. 5 working days* Roofing items 7-10 working days* |
FREE | ||
| Scotland Delivery | Postcodes: PA, PH, DD, AB, IV, & KW | Est. 15 working days* Roofing items 7-10 working days* |
£360.00 | |
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Millboard Delivery | Orders under £2,000 | Est. 5 working days* | £192.00 |
| Orders over £2,000 | Est. 5 working days* | FREE | ||
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Parcelforce Standard | (Small Parcels) | 3-5 working days* | £10.30 |
| (Large Parcels) | 3-5 working days* | £31.80 | ||
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Sample Packs via Courier | 5 working days* | FREE | |
*Please allow for public holidays and weekends (non-delivery days)
Some of our products are available for collection from our warehouses in Okehampton (Devon) and Andover (Hampshire) - This option will show at checkout, when available.
Standard collection lead time is 3-5 working days, this may vary depending on the product. If you would like to collect your order after 2 hours, please choose this option at checkout.
Please note that collections are only available from Monday-Friday, 08:00 - 17:00 & Saturday, 08:00 - 12:30 (Note: this IS the cut off time for collections, despite our closing time of 13:00)
Please Note The Following Prior To Collection:
Vehicles we can and cannot load
Cladco Profiles® will only load flatbed lorries and flatbed trailers for insurance purposes. If the appropriate vehicle is not available, two people would be required for a collection.
Cladco Profiles® will NOT load any vehicles with roof racks, horse boxes, cattle lorries or fixed-sided trailers. Cladco Profiles® has the right to refuse loading a vehicle for any reason.
Before arranging a collection, please read our Customer Collection Notice below.
Our Okehampton HQ and Warehouses (Devon)
Our Andover Warehouses (Hampshire)
Customer Collection Notice
Please ensure you have pre-booked your collection slot before travelling to site.
When arriving to collect your order, please report to a member of our Warehouse Team who will register your arrival and locate your goods. Once ready, your items will be picked and brought to your vehicle loading area.
During busy periods, there may be a short wait while our yard team assist other customers or complete other loading tasks. We always do our best to work within your booked collection time.
We respectfully draw your attention to the following important points:
- Loading is ultimately the customer’s responsibility. While our team can assist with mechanical loading using forklifts, we cannot handball items into enclosed vehicles. Customers must ensure their vehicle is suitable and that goods are safely loaded and adequately secured before leaving the premises.
- Sharp sheeting, metal goods, and long/heavy items may pose additional handling risks. Please come prepared with high-quality protective gloves, and any appropriate protection materials to avoid damage to your vehicle or restraints (e.g. ropes or straps). The edges of roofing sheets and metal products can be extremely sharp, and care should be taken when handling.
- We strongly recommend that customers bring their own straps, ropes, or other securing materials, as we are unable to provide these at the point of collection.
- If you are unsure of your vehicle’s load capacity, we can advise the approximate weight of your order in advance. It is your responsibility to ensure your vehicle is suitable for transporting the goods safely and legally.
- Cladco will not be held liable for any damage to your vehicle or goods once they have been loaded and leave our premises. Loading assistance is provided entirely at the customer’s own risk.
Click & Collect – Pre-Booking Required
You are welcome to collect your order from either our Okehampton (Devon) or Andover (Hampshire) site. All collections must be pre-booked in advance so your items can be picked, packed and ready for you.
Please do not travel to site without a confirmed collection time, as we cannot guarantee your order will be available.
Once your items are ready, you will receive an email with a link to book your collection slot. Please note, same-day collections are not available and bookings must be made at least two hours in advance.
When you arrive, please bring your order confirmation and follow the signage to the collection area where a member of our team will assist you.
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