Description The 20 x 20 galvanised SHS (Square Hollow Section) is engineered for both structural reliability and excellent corrosion protection. Its galvanised coating provides long-term resistance to rust, making it suitable for indoor and outdoor use, harsh environments and projects requiring extended durability. This SHS size is commonly used in: Fencing and gate frames General fabrication and welding projects Light structural supports Trailers, repairs and custom metalwork DIY and workshop builds To meet different strength and weight requirements, this product is available in two wall thickness options: 1.6 mm – lightweight, easy to handle and perfect for everyday fabrication 2.0 mm – stronger and more rigid, ideal for applications needing extra reinforcement All lengths feature a consistent finish, clean edges and excellent weldability, ensuring reliable performance across commercial, industrial and domestic projects. Cut-to-size and bulk quantities are also available.
