Hazel screens Van IntergardIntergard B.V. Specializes in Eco-friendly Garden and Plot Separations Like Heidematten, Willow Mats, Bamboo Mats, Tree Shafts, Hazel Screens, Willow Screens and Bamboo Screens. So no forest cover, no chemical processes, no wood sustainability, safe, environmentally friendly and sustainable for home and garden. This initiative is recommended by the Minister of Housing, Spatial Planning and the Environment, Dr. Jacqueline Cramer.