roofs de-mossing, roof cleaning

Gable & roof de-mossing and Cleaning roof

mosses and algae ensure in most cases a rapid wear of roofs.

The vegetation of moss and algae on the roof are in most cases the cause of roof leaks and water infiltration.

Mosses and algae settle onto the roofs and facades that can make the cover of the roof as tiles or slates porous.

These penetrate into the roof. Resulting that small cracks can occur.

The risk of moisture seeping through the roofcoverings of roofs and causes roof coverings at low temperatures to burst.

Measurements have also shown that around houses with corrugated iron or weathered slates of the older generation, a higher concentration of asbestos fibers into the air. You can maybe even ask the question: Why should't my roof be cleaned.

Preventive roof cleaning - roof de-mossing

why preventive maintenance should be done, we describe this in 6 points. Therefore we are talking about what are the benefits ROOF DE-MOSSING and timely maintenance of your roof.

  • Timely de-mossing rooftops prevents water infiltration. (Ingress of water)
  • To avoid damage to the roof, It's breaking against wear of the slate .
  • It prolongs life, your roof is protected for years to all weather conditions.
  • Your property rises in value.
  • It makes youre home look better.
  • For one low price, a clean and healthy roof and it looks like new again.

Roof Cleaning and Demossing Roofs - How do we work

Cleaning and painting tiles, slates and facades

Step1 - Cleaning the roof with water

Roofs cleaned with water, its donewith a pressure washer with a dirt blaster used, this is a rotating nozzle which substantially increased cleaning capacity. This allows all hard to reach places can be de-most. the pressure used will of course be taken into account, so there will be no damage to your roof and facade. After de-mossing the roof with high pressure the roof is to be rinsed with water to make sure no traces of moss or algae remain. Spraying occurred continuously from top to bottom to let the water reduce.

after that the roof will be treated with an anti-moss product, this layer prevents the return of moss at any time.

Step2 - painting the roof

Before we paint a roof all roofs wil be sprayed with an anti-moss primer (for optimum adhesion of the acrylic paint).

Then we applie a double layer of paint, this happens with an airless spray instalation. Of course in the right color and knowing that this applies only when shingles and not with other roofing tiles.

Would you do it yourself - please note!

Weathered slate or corrugated iron of the older generation are composed of asbestos cement and therefore cause them greater asbestos around the house, never go with a scrubbing brush or comb and catch yourself the moss and dirt from your roof to remove. Because this is wrapped in asbestos cement grains, this is not a direct danger. However, scrubbing / abrasive granules will dissolve the cement would be a real danger in when breathing them. and are absolutely an insidious threat to humans and animals!

What products are used here

Anti-moss product

Anti-moss product: is a gentle cleaner to remove deposits such as green algae and mosses.
The Anti-moss product is concentrated and should be diluted with water, which depends on the amount of moss and algae present.


Primer ensures optimum adhesion of the paint. This eliminates the porous surface of moss become sensitive materials and has, besides its hardening effect is also a moss resistant operation.

anti-moss coating

This layer is a rubbery coating with a high vapor permeability. The product is U.V. resistant, will withstand any weather conditions, is resistant to moss and algae and when it is dry this will act as a dirt resistant shield.

Properties after drying

  • Your roof is completely watertight.
  • Has an elasticity up to 200%.
  • No blistering possible.
  • Provides good resistance to recurrent moss.

What are some moss and algae

What are mosses

Mosses are small plants in large amounts and can grow together.

Mosses dont need land base from which they can provide necessary moisture.

With this feature we can find mosses back anywhere as on the roof, gable, vowels, driveways and walls. The emergence of a layer of moss on your roof is not unusual.

Seeds are justified by the wind on your roof with a lack of sunlight and adequate moisture for growing moss the ideal place. Wherever your roof or even the least sunlight will get the most moss grow.

With the presence of moss roofs stays wet longer thus making it susceptible to fungus, therefore it is also advisable to carry out thede-mossing of roofs in a professional way.

What are algae

Algae is a generic term for a lower multiple and specific group of plants that vary in size from small to quite large. The algae on your roof, pans etc. are mostly single-celled plants. They form a thin layer on roofs, pavers or walls that are visible as green slime. These appear more humid places, in the shade of trees, buildings, etc..
The algae itself do not damage the roofing. Algae get their nutrients from the air just like the moss.

Why must algae on your roofing, tiles, etc.. be contested ?

Algae settle and form a thin layer that holds moisture and dust and with little sunlight is the ideal substrate for mosses. By the algae layer remains moist longer and your roof is in itself more sensitive to fungi that affect the roof.

Why do these mosses / algae on my roof come from

The cause consists of several factors

The wind is blowing on your roof ensures that the dust entrained in part on your roof and stays mainly between the joints / crevices of securing roofing, in combination with low moisture and sunlight is an ideal breeding ground for moss and algae. There is also growing more moss on the roofs of your home that receive the least sunlight. These areas remain moist longer and will not reach the required temperatures to moskiemen to destroy. Most mosses die because at temperatures above 70 C. Roofs which get much sun in summer easily reach this temperature and thus will also exhibit less moss.

The more these factors are found, the faster algae and moss will develop:

  • If you live among greenery and trees.
  • On a side where no sun can reach the surface.
  • By acid rain, dirt in the air.
  • With porous and older tiles.

Moss always comes back, but if the problem is addressed in a timely and professional way, and they use the right products you can enjoy a nice moss free roof with the certainty that life of the roof will also greatly expands.