Where to Use Domestic and Industrial Roofs, Balconies, Lightwells, Underside of Canopies. Product Specification 19mm Mesh for proofing against Starlings. Available in Black, translucent & stone. UV Stabilised Knotted Polythethylene. Stock sizes include 5m x 5m, 5m x 10m, 10m x 10m, 20m x 20m. Custom size nets available for 90p/sqm, product code - 28MMCTS. How to Install Create a frame work out of wire rope and attach the netting to it. Ensure the netting is not saggy or birds will become trapped in the netting.