5% Off

CLS Regularised Treated Timber

£4.06£9.61
£3.85£9.13

& Fast Shipping
5% OFF

From £1.66 per metre

CLS is a planed-all-over product with eased edges. The two main sizes for CLS are 140 x 38 which is used in the external walls of the house and 89 x 38 which is used in the internal walls. It is available in a range of lengths and treated to provide extra durability and precision.

West of Scotland Delivery Only

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Elevate your construction projects with the versatility and stability of CLS Timber, available in a range of sizes to suit your needs. CLS Timber, also known as Canadian Lumber Standard, is a reliable choice for framing, stud walls, and other structural applications. Our CLS Timber is precision-cut and kiln-dried to ensure consistent quality and dimensional accuracy. Whether you’re working on residential or commercial projects, our CLS Timber offers exceptional strength and durability. Explore our selection of various sizes to find the perfect fit for your construction requirements and bring your vision to life with the dependability of CLS Timber.

  1. Structural Framing:
    • CLS timber is often used for structural framing in construction projects, providing a strong and durable framework for buildings.
  2. Studwork:
    • Commonly used for creating stud walls in both residential and commercial construction.
  3. Joists and Rafters:
    • Ideal for constructing floor joists and roof rafters due to its strength and resistance to decay.
  4. Outdoor Decking:
    • CLS treated timber is suitable for outdoor decking, providing a stable and durable surface that can withstand exposure to the elements.
  5. Fencing:
    • Used for constructing fences, providing both structural support and resistance to decay, extending the lifespan of the fence.
  6. Garden Structures:
    • Popular for building garden structures such as pergolas, arbors, and trellises.
  7. Sheds and Outbuildings:
    • CLS timber is a common choice for constructing sheds and other outdoor storage buildings.
  8. Play Structures:
    • Used in the construction of playhouses, swing sets, and other outdoor play structures for durability and safety.
  9. Retaining Walls:
    • Suitable for building retaining walls, especially in landscaping projects where resistance to decay is crucial.
  10. Raised Beds:
    • CLS timber is often used in gardening for constructing raised beds, providing a durable and long-lasting solution.
  11. Timber Framing:
    • Suitable for timber framing in various construction projects, providing a stable and reliable material.
  12. External Cladding:
    • Used for external cladding to enhance the appearance of buildings while also providing protection against the elements.
  13. Roofing Components:
    • CLS timber can be used for roof components such as battens and trusses.
  14. Boatbuilding:
    • In some cases, CLS treated timber is used in boatbuilding due to its resistance to moisture and decay.
  15. DIY Projects:
    • Suitable for a variety of DIY projects where a durable and treated wood is needed.

Delivery

ALL DELIVERIES ARE DELIVERED TO KERBSIDE OR DRIVEWAY. All of the Forest products are delivered flat-packed, (other than fence panels which are delivered fully constructed) direct to your home, and are supplied with a set of instructions to support assembly.

If you have ordered more than one item, they may arrive at different times.

Delivery

Supplier Direct products are delivered on Kelvin Timber behalf from our network of trusted suppliers. After you place your order, our trusted supplier will contact you regarding delivery.

The delivery timescales to these areas may be extended by up to 5-10 working days:
AB, CB, CO, CT, DD, DG, EH, EX, FK, G, IP, IV, KA, KW, KY, ME, ML, NR, PA, PE, PL, PH, TD, TN, TW, TR, TQ.

We are sorry but Forest does not deliver or offer an assembly service to the following Postal Codes:
BT1-BT99, GY1-GY9, HS1-HS9, IM1-IM9, IV41-IV56, JE1-JE5, KA27-KA28, KW15-KW17, PO30-PO41, PO49, TR21-TR25.

Prior to Delivery

Once you have a confirmed delivery date if you provide us with a mobile number this should be the first number and not the alternative number), we can confirm the day before delivery if your delivery will be morning or afternoon.

Upon Delivery

Your order will be delivered kerbside or on your driveway. Due to health, safety, and insurance liabilities, the driver will not be able to take your goods to the back of your property but – upon request – may place the product at the side of the house if there are no access issues. This is to avoid risking damage to your property while delivering to an unsafe location. We will not be able to go through your property.

We advise against arranging for a third party to install the product before its delivered and checking that all parts are present,  we cannot be held liable for any third-party costs caused by delays.

Assembly

<p’>If you have selected the service for installation, we can confirm that delivery and installation will occur on different days, and the length of time required for delivery and installation will depend on the specific item you have chosen. You will not be able to pre-book a delivery or installation date when placing your order, as this will be arranged directly with the manufacturer. Within 5 working days of placing your order, the manufacturer will contact you via email to explain how to prepare the base for installation. The base must be either a solid, level timber supportive base, concrete, concrete slabs, or a pro shed base (plastic base). You should ensure that there is a clearance of 18 inches (450mm) of working space around the base so that the installers can access all areas of the structure. Shortly after receiving the email from the manufacturer, you will receive a phone call to schedule a convenient delivery and installation date. Installation may occur within 15 working days of delivery.   Note: This service is not available on all Forest products, please check if this is available for your chosen product under the ‘Choose Additional Options’ above.</p’>

Imperial (inches)Actual (mm)Conversion (mm)
125.425
250.850
376.275
4101.6100
5127125
6152.4150
7177.8175
8203.2200
9228.6225
10254250
11279.4275
12304.8300
24 (2ft)609.6600
36 (3ft)914.4900
48 (4ft)1219.21200
60 (5ft)15241500
72 (6ft)1828.81800
84 (7ft)2133.62100
96 (8ft)2438.42400
DimensionsN/A
Material

Softwood

Colour

Green

Size

, , , ,

Treatment

Pressure Treated

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CLS Regularised Treated TimberCLS Regularised Treated Timber
£4.06£9.61
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