Professional Black Spot Preventer for Patios & Stone Surfaces
Pricing: £30.00-£100.00
Free UK delivery on orders over £75.
Bundle deals available, up to 30% off selected cleaners and sealers.
Professional Black Spot Preventer for All Stone Types
A highly effective maintenance treatment that prevents the regrowth of black spot lichen and common algae on newly installed or recently cleaned patios and paving.
Customer Tip: choose the right black spot treatment
Description
Professional Black Spot Preventer for Patios & Stone Surfaces
No More Black Spot Preventer is a professional-grade treatment designed to prevent the regrowth of black spot lichen and algae on newly installed or recently cleaned patios and paving.
For best results, apply 3–6 months after cleaning with No More Black Spot Cleaner.
Ideal for:
Sandstone
Limestone
Slate
Block paving
Concrete
Decorative stonework
Paths, patios, driveways and walls
When applied annually, it helps prevent the return of black spot lichen and inhibits green and red algae growth.
Key Benefits
Prevents black lichen spores from germinating
Controls green and red algae growth
Suitable for all stone types
Dilutes 1:3 with water
Safe for pets and children once dry
No need for repeated pressure washing
Ideal maintenance treatment following black spot removal
Usage Guidelines
Dilution: 1 part product to 3 parts water (1:3)
Application Method: Sprayer, roller or brush
Applications: 1 application every 6–12 months
Dwell Time: Leave to dry naturally – DO NOT rinse off
Directions for Use
Ensure the surface is clean and free from loose debris.
Dilute 1 part product with 3 parts clean water (1:3).
Apply evenly using a garden sprayer, watering can or brush.
Apply as a flood coat in a sweeping motion across the surface.
Allow to soak in and dry completely. Do not wash off.
Reapply every 6–12 months for continued protection.
Important Information
Do not apply if rain is expected.
Always test on a small inconspicuous area first.
Take care near fish ponds or delicate planting.
If overspray occurs on plants, rinse immediately with clean water.
Coverage
Approximately 100m² per 5L bottle (when diluted 1:3).
Coverage will vary depending on surface porosity and texture.
Safety Information
KEEP OUT OF THE REACH OF CHILDREN AND PETS
H314: Causes severe skin burns and eye damage.
P102: Keep out of reach of children.
P264: Wash hands thoroughly after handling.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.
P321: Specific treatment (see instructions on this label).
P405: Store locked up.
Product SDS sheet available upon request.
FOR USE ONLY BY PROFESSIONAL OPERATORS | HSE No. 10531
Additional information
Weight: 6 kg
Dimensions: 20 × 18 × 30 cm
Size: 5 Litre, 25 Litre, Bundle (No More Black Spot 5L + No More Black Spot Preventer 5L)

