Buy different lengths of 1.1/4-inch aluminium box section online today. metals4U is the UK’s leading online metal supplier and we are trusted by tradespeople, contractors and hobbyists to get quality materials on-site quickly. Our 1.1/4-inch aluminium box section comes with excellent corrosion resistance, fair weldability and a mill finish, making it fit for a variety of applications, including building work, shelf support and door frames. You can buy 1.1/4-inch aluminium box section up to 5,000m in length, or we offer a free custom cutting service for more precise measurements. Do you need materials quickly? We have no minimum purchase and offer same-day dispatch if you order aluminium box section with us before 2pm.