ROOF COATING 20L & Samples Independently Tested 10yr+ Lifespan SEALS & PROTECTS against Moss, Algae & Moisture

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Coloured Roof Tile Coatings intended for ageing, porous Concrete Roof Tiles.

Aging concrete roof tiles can be transformed with a roof paint or coloured coating.

Smartseal’s Roof Tile Coating can be purchased in a range of colours: slate grey, terracotta, deep tan, rustic red, burgundy and black. Applying this product is sure to aesthetically transform the roof, leaving superb water resistance and protection from UV light and its potentially damaging effects.

Post application, the concrete tiles will have been transformed with a more modern clean look and benefit from newly formed protection against weathering for years on end. Other benefits include a fantastic resistance to the future growth of moss, algae and lichen.

The product has a water-vapour permeable coating which enables the roof to 'breathe'. This allows the roof tiles to let out moisture from the inside out, which is important as any roof tile coating or roof sealer that does not allow for this can harbour harmful fungal infections and mould growth can become widespread.

Smartseal roof paints have been coloured with the best quality pigments possible, the benefits of this colour deterioration at a much slower rate due to improved resistance, as well as protection from UV light and excellent adhesion between roof tile coating and tile.

All our roof tile coatings enable for 'flexing' and movement within the roof tile. This is integral to retaining the structure of your roof due to exposure to heat and cold which can cause roof tiles to expand and contract.




Clean the roof thoroughly with a pressure washer and treat with concentrate of biocide. Make sure that the roof is totally clean, dry and free from moss, algae or lichen spores, as it should only be applied to dry surfaces. Mix the roof tile coating thoroughly prior to and during use with no sediment present. We recommend application via Airless Sprayer to the dry surface, providing no rain is forecast for at least 4 hours. Minimum of 2 coats required. Average coverage 4mē - 6mē per litre depending on porosity of tile, ambient temperature and weather conditions.


  • Eco-Friendly acrylic water-based product

  • Apply in dry weather in temperatures above 12 °C with no rain forecast for at least 4 hours.

  • Average coverage 4mē - 6mē per litre 

  • High Resistance to moss and algae

  • Allows for excellent adhesion to concrete roof tile

  • Water vapour permeable

  • Heat resistant and flexible

  • UV light and general weathering to European Standards.

Product tested against BS EN ISO 6860 and TR010/ISO 4892-3 for resistance to fastened weathering, equal to 5 years outdoor exposure in Europe. The results of these tests showed no sign of embrittlement or degradation of the coating.

Freeze Thaw Resistance.

Product tested with accordance to JIS A 6909 Clause 5.9.1 and there were no signs of any mechanical damage of the coating from the tests.

Adhesion to the Concrete Roof Tile.

Product tested in accordance with BS EN ISO 4624 and the coating did peel in any of the tests. In all tests the concrete roof tiles did not pull off load before the coating had a chance to come away from the tile.

Water Vapour Permeability.

Product was examined against ASTM D1653 and it was assured that the coating was vapour permeable.

Our Roof Tile Coating comes with a 10 year product guarantee when applied by a Smartseal Registered Roof Tile Coating Specialist*

*Guaranteed not to peel, blister and/or flake away from the roof tiles during that time.


Harmful by consumption. If consumed, seek clinical help immediately. Will cause irritation to skin and eyes, wear suitable safety equipment at all times.