All our Graded Timber Purlins are pressure treated and graded C16 or C24 in accordance with BS EN 14081-1: 2005 – therefore, you can be rest assured you’re getting the highest quality timber from TFC Supplies. Our graded timber purlins are perfect for use on agricultural buildings, but are also suitable for other projects. Need help with your purchase? Contact our team for the best advice. We will ensure you’re purchasing the best product for your project and advise you on anything else in relation to this. Our timber purlins are available in many sizes, from 4572 x 100 x 75 to 6096 x 225 x 75.