This BOSTIK WATERSTOP - 30 tablets green deposit remover is essential for renovating your home's exterior and restoring its shine. Thanks to its chlorine formula, this treatment can eliminate green deposits such as moss, lichen and algae. It is dissolved directly in a sprayer. This multi-surface product can be applied to roofs (slates, tiles, etc.), facades (stone, rendering, masonry), floors (driveways and terraces), PVC materials (gutters, gates, windows, etc.) and stone decorations. Nevertheless, the product must not be sprayed on metal surfaces. Advantages : Multi-surface product: roofs, facades, floors, stone decorations Easy to use Effective, in-depth treatment against moss, lichen and algae Easy to transport: lightweight Does not stain surfaces Made in France Features : Formula: chlorine Color: transparent Use: outdoors Dissolution per tablet: 5 to 10 mins Treatment: 1 to 5 days Application: between March and November, on a non-rainy day Quantity : 30 tablets Ref. 30139561 Packaging : BOSTIK WATERSTOP anti-green deposit treatment - 30 tabletsDelivered in original packaging.