Grean Boss 4 Litre OSB Easy Applications: The round shape

Easy Applications: The round shape of the flat roof gravel makes it versatile

Its hassle-free application requires no undercoat and delivers excellent coverage in just one coat

0kW ✅ Yes Water Heater (electric) 3–4kW ≈ Same ✅ Solo circuit Site Cabin (lights + heaters) 4–8kW Varies ✅ Yes (balance) Small Tower A/C 1

With its green colour

Do you grout over tile spacers

Grean Boss 4 Litre OSB Easy Applications: The round shapeGrean Boss 4 Litre Grean Boss 4 Litre is a robust treatment designed to protect roof tiles from surface deposits and green staining. This versatile formula is aimed at tradespeople and property caretakers who want an easy, dependable solution for roofs, patios and driveways. Features Suitable for clay, concrete and slate roof tiles as well as flat roofs Biodegradable and acid free formulation safe for the surrounding garden Deep penetration breaks