Agri-Fabs Barn Doors with Galvanised Steel Surround and Galvanised Steel Frame (13 ratings) Heavy Duty Barn Doors with Galvanised Steel Surround, Timber Infill and Galvanised Steel Frame £950.00 Out of stock. Brand new, manufactured to customer specifications up to 2100mm wide x 2300mm high. If you require a larger size, please contact us for a quote. Our barn doors are constructed using a 40mm x 40mm box section frame. The steelwork around the door is fully galvanised with a 6x1" tanalised timber infill and completed with a fully galvanised outer frame Galvanised steel surround offers extra strength and support, helping to prevent sagging as is common with a timber frame. Please provide your size requirements Delivery to Mainland UK is £85.00 Please contact us if you have any questions and we will be happy to help.