Complete with the ideal mix of longevity, easy installation and flow rate this guttering network is engineered in light 0.7mm zinc and comes in lengths of 2.4m that can be easily placed together with Zinc Guttas very own specialist sealant. With a minimum flow rate of 3.6 litres per second, the large half round guttering from Zinc Gutta is the perfect drainage system for you. Estimated to have a lifespan of 100 years, zinc is environmentally friendly due to its recyclable nature and is an extremely cost effective and hassle free alternative. Ready made corners and other outlets are also available along with rivets to easily assemble your new guttering.