114mm Deep Flow Guttering is as the name states, ideal for high flow rates of water due to its deep profile. The plastic guttering deep elliptical profile is similar to half round with the advantage of having a greater depth. Ideal for usage with large areas of roofing and greater flow capacity is beneficial as less drainage outlets required. The range stocked is Marshall Tufflex, one of the market leading brands for rainwater products and manufactured to BSI standards.