Before and after Grön-Fri

• Effective for all outdoor surfaces
• Biofouling of algae and lichen dies immediately
• Neutralises nutrients, preventing new biofouling
• The surfaces are kept free of new biofouling for up to four years
• The rain washes away the residues on surfaces exposed to the weather
• Biologically degradable agent for general use
• Proven function and efficiency after tests by SP (Technical Research Institute of Sweden).

Before and after Grön-Fri

For all outdoor surfaces. Facades, roofs, fences, paving, decking, walls, awnings etc. 有效对抗藻类和地衣。对于所有的户外表面。外墙，屋顶，栅栏，铺路，装饰，幕墙，遮阳篷等。