R237 Algae Clean and Seal Datasheet

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R237 Algae Clean and Seal

Algae Clean and Seal Clean and Seal is a PRO-Grade mould and lichen killer, specifically formulated to cleanse the surface of contamination and leave behind a durable seal. This will prevent the return of future contamination and moisture ingress. Ideal for use on concrete, wood, roof tiles and much more.


Unique to other products, Algae Clean & Seal will last over 5 years. Active ingredients work together to simply clean, kill and seal in a single application.

How To Use

Always test a small hidden portion of the substrate before use, to ensure the final result is satisfactory and to calculate consumption.

The surface should be free of debris, heavy growth and dry. Do not apply in damp/wet conditions or if rain is expected within 24 hours of application.

This product is supplied ready to use

Apply a generous, even coat, ensuring full saturation of contaminants and substrate

Apply a second coat, before the first coat dries (within 20 minutes)

Leave the product to do the work, no agitation is required

Important Information

Causes serious eye irritation. Causes skin irritation. Read label before use. Keep out of reach of children

Use only outdoors or in a well-ventilated area. Do not breathe fumes/mist/vapours. Wear protective gloves/ protective clothing/eye protection/face protection Wash hands thoroughly after handling.

IF ON SKIN: Gently wash with plenty of soap and water.

If skin irritation occurs: Get medical advice/attention.

IF SWALLOWED: rinse mouth. Do NOT induce vomiting.

IF SWALLOWED: Call a POISON CENTRE / doctor if you feel unwell.

IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Get medical advice/attention

Cleaning Of Equipment

Remove as much excess product as possible and clean tools and equipment immediately after use with soapy water.


Water resistance is evident after initial curing but repellence will increase to 100% efficiency over 14 days.

Perfect For Use On

  • Paths & patios
  • Decking
  • Walls & roofs
  • Garden furniture
  • Concrete
  • Central reservations
  • Tower blocks
  • Rendered housing


  • Powerful & effective cleaner
  • Strong & durable sealer
  • No scrubbing or power washing needed
  • Does not change the appearance of the substrate
  • Fast acting
  • Continues to work for over 60 months
  • Effective on most surfaces
  • Low odour
  • Ready-to-use
  • Protects against weathering, water & efflorescence

Precautions For Use

For Health & Safety instructions, first aid measures, spillages and disposal instructions, see separate Health & Safety Data Sheet (MSDS).

Product Characteristics

OdourBarely Perceptible
Coverage4 - 6 m2 per litre
Application TemperatureBetween 5c and 38c
Shelf Life24 Months from the date of manufacture in the original unopened container

R237 Algae Clean and Seal Datasheet From Paint Stripper.com