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Professional Black Spot Preventer for Patios & Stone Surfaces

£30.00Price
Size
5 Litre
25 Litre
Quantity

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)

    Contact us

    Natural Stone Cleaning Ltd

    27 Church Avenue,
    Harrogate,
    North Yorkshire,
    HG1 4HG

    Business hours

    Monday : 08:00 - 19:00
    Tuesday : 08:00 - 19:00
    Wednesday : 08:00 - 19:00
    Thursday : 08:00 - 19:00
    Friday : 08:00 - 19:00
    Saturday : 09:00 - 17:00
    Sunday : 09:00 - 17:00

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    NATURAL STONE CLEANING LTD registered as a limited company in England and Wales under company number: 15021919
    Registered Company Address: 27 Church Avenue, Harrogate, North Yorkshire, United Kingdom, HG1 4HG
    VAT No. 452 6703 93

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