I have done a couple of projects now which prove that Scottish C16 timber are suitable for mainstream UK housing industry. I'm reminded to have a good read through this great resource - thanks. Quite right about C16 vs C24 - the latter to be avoided by design except when nothing less will do much like use of concrete. C16 is definitely lower 'quality' if by that you mean it has a quirky life requiring chippies to use it with some skill and sympathy, rather than in imported e. CLS form an inert commodity that can be knocked together fast and brainlessly.
CLS is so hugely reduced from basic size, rounded corners and all, that you have to ask about material wastage and even embodied electricity in the machining.
I hate the stuff - might as well be made from recycled drinks cartons. C16 may be a bit banana shaped but can be regularised put thro a rough planer at little extra cost, to give two straight parallel edges. This is often done at the merchant just before delivery, so all the accumulated bending to that date is taken out. Semi-durable untreated e. Streatham SW16 5TQ.
Twickenham TW1 4BP. Sales Latest News. C16 Timber C16 graded timber allows for a number of defects that may reduce the overall strength of the wood, such as grain deviations and wanes, as well as an unlimited amount of superficial defects that do not affect the strength of the wood, such as blue sap stains and the like.
C24 Timber C24 boards have fewer defects than C16 graded timber and the timber is therefore stronger and more resilient than C16 boards. Treated timber is pressure impregnated to guard against environmental conditions. If you need treated timber prices this is the place for you to browse an extensive product range in C16 and C24 strength grades.
Our treated timber and carcassing timber are sourced from some of the leading manufacturers and suppliers in the industry, we work hard in building up strong relationships to make sure that our customers get the highest quality product to ensure longevity in whatever they are doing. Treated timber is available in a wide range of sizes, making it ideal for both smaller and larger projects.
Each timber size is regularly price checked to make sure all of our customers are getting the best, competitive rate — saving London and Hertfordshire builders money as much as we can. Available on a next day delivery basis, our treated timber can be delivered to the door of your project, making sure that none of your deadlines are put on hold due to you waiting on additional materials.
Our award-winning transport fleet is made up of the most up to date vehicles, with our staff specifically trained in health and safety to ensure that these large timber products are transported safely. If you would like more information on any of our treated timber, or you would like to find out more about any of our services and company goals, please get in touch with a member of our team either in one of our branches or by calling What is Treated Timber?
Our treated timber is pre-treated with Osmose Naturewood. By specifying timber that is treated with the appropriate end use it will ensure its long life.
The treatment preserves the timber making it useable for external, moist and wet conditions. The types of preservation system available are; Protim — an organic system that pressure treats timber used in construction projects, where the required protection is to Class UC1, UC2 and UC3. When using Protim in an external environment it should be coated with an external coating.
Celcure preservation system is used for wood that has been treated with an Osmose preservative system. MicroPro — is a preservation system is also used for timber that has been treated with Osmose. Treated Timber Class Table. Class 1 — Above ground, covered. The CLS timber falls into the easy-edge C16 timber. The easy-edge timber is usually graded as standard C16 timber , but it is smoother and machine-finished making it suitable for a wide range of construction jobs.
The easy-edge CLS wood timber is widely used in framing. CLS is used primarily in timber frame home construction and for internal and partition walls. The product originated for the Canadian market — hence its name. Solid strutting should be at least 38 mm thick timber extending to at least three quarters the joist depth e. CLS timber is surfaced on all four sides and has radiused edges.
It is produced in a range of sizes and is widely used in the timber frame industry for these reasons. Treated studwork But you can use it outdoors as well as inside your home. It's also pressure-treated to protect against fungal and insect attack. Untreated Timber Carcassing Carassing timber is widely available from imported or homegrown sources and is offered treated with a preservative or untreated.
This kiln-dried timber is planed and finished for more precise dimensions. Tanalising Process The tanalising process involves placing the timber within the treatment cylinder and creating an initial vacuum within the timber cells.
The cylinder is then flooded under vacuum with the preservative treatment. Hydraulic pressure is then applied, forcing the preservative deep into the timber cells. Treated timber is suitable to be used externally and is suitable for wet areas or areas where the timber will be coming into contact with the ground. Examples of treated timber uses are outdoor decking, shed bases, posts, sleepers.
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