D Rail EX 36mm x 100mm x 3.6m (3600mm) treated timber rail. Engineered for durability, this timber rail is an ideal choice for fencing, boundary lines, garden edging, retaining structures, and general building work. The treatment process provides robust protection against rot, fungal decay, and insect damage, ensuring dependable performance in harsh outdoor environments. With consistent dimensions and a smooth finish, it’s easy to handle, cut, and install—perfect for both DIY and professional applications.