BAC 50 Power Wash is a 50% benzalkonium chloride solution designed for professional users. It is suitable for treating biological growth, including algae, mould and lichen on roofs, render, cladding, patios and other exterior hard surfaces. When diluted and applied correctly, the product provides fast-acting control of organic contaminants, allowing treated areas to self-clean over time.

Directions of Use
To avoid risks to human or animal health, or the environment, comply with the instructions for use. Dilute with clean water before application. Apply evenly using a low-pressure sprayer or soft brush. Once diluted, apply at approximately 4m² per litre. Leave the product to work and allow the surface to weather naturally.

Recommended Starting Dilutions
Render & Roof Slates/Tiles: 1:20 (1 part product to 20 parts water)
Ground Surfaces: 1:30 (1 part product to 30 parts water)

Important Note
Where areas are regularly accessed by animals or children, apply product, allow at least 1 hour contact time, then rinse thoroughly. Performance depends on factors such as surface porosity, shade, temperature, organic load and environmental conditions.

Safety & Aftercare
The COSHH (Control of Substances Hazardous to Health) Regulations 2002 (as amended) apply to the use of this product at work.

Avoid excessive contamination of coveralls.
Do not contaminate foodstuffs, eating utensils or food contact surfaces.
This material and its container must be disposed of in a safe way.
Wash hands and exposed skin before meals and after use.
Keep in a safe place.
Keep away from treated surfaces until dry.
Avoid contact with ponds, waterways and vegetation.
Do not mix with other chemicals.

FOR USE AS A SURFACE BIOCIDE ONLY
READ ALL PRECAUTIONS BEFORE USE
FOR USE ONLY BY PROFESSIONAL OPERATORS

Application Rate
1:20 parts water for render & roof slate/tiles
1:30 parts water for hard ground surfaces
1L of diluted product per 4m² (250 ml/m²)

It is the responsibility of the end user to ensure they have the appropriate training, competence and PPE required to use professional-grade biocides safely and in accordance with regulations.

Users must comply in full with all their legal responsibilities under the Control of Pesticides Regulations 1986 (as amended), including complying with all Conditions of Approval.

HSE No: 11166-002-GB