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Call us today for a free no obligation quotation on 07724 819 341 or 01277 374 587

Roof Cleaning and Coating

At HPS we strive to 'be the best' when it comes to cleaning and restoring your roof. Our roof cleaning is carried out using specialist professional pressure cleaning equipment. This means that the roof tiles will be fully deep cleaned in the minimum time possible with as little disturbance to you or you neighbours.

Concrete roof tiles have a lifetime expectancy estimated at about 20 years in the UK climate. Roof tile degradation can result in structural roof damage caused by water leakage and excessive additional weight from water retention in the roof tile and moss. There are two possible solutions. The first option is to replace all roof tiles and have a whole new roof fitted, this can be very expensive and disruptive. More recently, as new technology has become available, home owners are choosing to have their roofs cleaned and treated with a protective roof coating which is more efficient both financially and environmentally.

The roof cleaning process will remove all moss, algae, lichen and any other dirt residue that has contaminated your roof over time. Throughout the roof cleaning process we will make sure that downpipes and gutters are fully cleaned out and left clear of any residue from the roof. After your roof has been cleaned, the walls, windows and perimeter of your home will be rinsed down and left in the same condition as prior to the work commencing.

The Roof Cleaning and Roof Coating process:

  • Prepare site - For some jobs we may need to erect scaffolding
  • Professional Pressure Washing
  • Replace any cracked or broken roof tiles
  • Re-point any broken mortar
  • Apply anti-fungal solution
  • Apply first coat of Roof coating
  • Apply second coat of Roof coating to seal
  • Tidy site and remove all waste.

Why do I need my roof cleaned:

  • It is roughly 60% cheaper than having an entire new roof fitted
  • It will literally add years of life to your roof
  • It will improve the look and curb appeal of your home immensely
  • It will remove all moss preventing gutter blockages

The biggest reason to have your roof cleaned is to remove all the moss and live growth. Whilst a little moss on your roof in itself is not a problem, excess moss on your roof can be a big problem.

Live growths on your roof excrete acids, mainly oxalic, which attack the alkalinity of materials used weakening the tiles and bleaching the colour out. Mosses will grow up under the laps and cause capillary attraction of rain water resulting in roof leaks. When the mosses become large they are dislodged by heavy downpours of rain, resulting in the additional maintenance problem of blocked gutters.

Heavy moss contamination when soaked by rain will considerably increase the weight load on a roof. Once established these colonies lead to the rapid deterioration and breakdown of roofing materials eventually leading to costly replacement.

Moss holds water, so by removing the moss from the roof you are reducing the possibility of tiles suffering from winter cracks. Moss also tends to grow on cement, so it can disturb the bond between ridge/apex tiles and the roof.

Roof Coating

After the roof has fully dried we strongly recommend coating the roof for future protection. This can take one of two forms:

  • Smartseal Roof Sealer, This is clear and forms a protective barrier against fungal growths and grime. In addition, it brings out the natural colour in your tiles.
  • ClimaShield Roof Coating, This is available in 5 different colours. You can keep the same colour of roof tiles you have at present or have a new colour entirely. This has light-reflecting pigments which help keep the property cooler in summer and warmer in winter. It also forms a barrier against growths and grime whilst still allowing the roof to breath. In short, Climasheild will make your roof look like a brand new roof as opposed to a roof that has just been cleaned.

Initially all border and perimeter tiles including the base area of any chimney stacks are cut in by hand. The remaining areas are then coated with professional airless spray equipment, this ensures accurate and efficient application.

The first, of the two applications, is a heavier coat that penetrates deeply into the structure of the tile to ensure longevity in colour retention is achieved as well as providing an efficient depth of water resiliency.

After a suitable drying time a second coating is applied adding further depth of colour and protective elements to the structure.

Climasheild roof coatings can reflect up to 70% of the sun's rays. This can help keep your house keep cooler in the summer and slightly reduce heat loss in the winter.

We really will leave your Roof looking brand new! Please see our Gallery page for some before and after photographs of some previous jobs we have completed.

HPS are fully trained and insured with Public Liability cover up to the value of £5,000,000

If you would like a free quotation then phone Dan today on:
07724 819 341 or
01277 374 587
Or send an email to

We will give you a quotation, not an estimate, so the job will cost what we say it will cost, no hidden charges or extras. If it takes longer to clean than we thought it would then that is our problem not yours. Remember, the quote is free and there is no obligation.