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We Clear and Clean roof Moss from all types of Roofs

Roof Moss Removal
Roof Moss Removal Hertfordshire / Essex / London

We clean and clear roof moss from all types of roofs in and around Hertfordshire Essex and London, we then follow the roof cleaning with roof moss treatment, the roof moss treatment is sprayed on and helps to prevent the roof moss build up from returning, the above roof will now dry after rain as can be seen where the roof moss removal and clearing has been completed giving the roof a longer life expectancy as the damp held in the roof moss will freeze durring winter and hold damp on the roof in other months make the roof tiles delaminate and the composite that make the roof tile decay.

Roof and Gutter clean
Roof Moss Removal

Dorma Cleaning
Dorma Cleaning


Roof moss is becoming a big problem caused mainly by the composite roof tiles used for the past 50 years,  concrete roof tiles break down over time and become porous allowing moss to attach its self to the roof tiles causing the tiles to remain damp and speeding up the deterioration of the roof tiles.
Cleaning the roof moss will extend the life span of the roof and prevent the unsightly moss blocking gutters and falling onto lower roofs or conservatories.  Please call if you would like a free quote to have roof moss cleared and the roof cleaned.  Whilst cleaning the roof we always clear and clean all the gutters fascias and soffits giving the roof a fresh start. Gutters full of moss become very heavy when the moss is wet so creating futher problems with the guttering and fascias often preventing the guttering working properly in heavy rain and allowing water to spill over the top of the guttering causing further damage to the property.  Preventing is better than cure so having roof moss cleared at an early stage will always be beneficial to the roof, guttering and whole property in general.

As can be seen from the picture of 1 of the 100s of roofs we have cleaned moss from the roof is given a new lease of life, with the roof moss cleaned the roof can now function properly and not having the roof moss on the roof prevents the dampness staying on the roof which will freeze over winter and cause more damage to the tiles.  As roof moss starts to build the process gets faster and fast known as the snow ball effect, moss will then start to fall from the roof into the gutters cause the guttering to not fuction properly and again holding the damp, as the roof moss is damp this damp air then radiates down around the house making the property feel more damp and miserable.  As is well know damp air can cause breathing problems with all age groups, so for these reasons removel and clearing the roof and gutters off roof moss build up can only be of benifit not only to the property but also to the health of the people that live in the property.

Roof MossCleaning
Roof Moss Cleaning Hertfordshire, Essex, Cambridge & London


Roof cleaning

From Wikipedia, the free encyclopedia
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The roof cleaning of fiberglassshingles
Streaking on a roof
Roof cleaning being performed using a soft-wash system

Roof cleaning is the process of removing algae,[1] mold, mildew, lichen and moss from roofs.[2] Also cleaning oxidation on metal roofs. Cleaning can extend the duration of a roof's ability to function.[2] Algae and other types of build-up often form on the north and west parts of roofs that are shaded or receive less sun, and can reduce a roof's life expectancy.[2] The presence of soot, dirt, or biomass can affect how much sunlight is absorbed by a roof and thus the amount of heat a building absorbs.[3]

Cleaning may be accomplished with a bleach or sodium percarbonate solution,[4] various cleaning products or commercial cleaning services. The Asphalt Roofing Manufacturers Association (ARMA) recommends using a 50/50 solution of 12.5% sodium hypochlorite (pool chlorine) and water to remove moss and algae.[5] The addition of zinc strips near the roof's peak may reduce the regrowth of algae and moss. Zinc sulfate can also be applied on an annual basis.

Cleaning apparatus[edit]

One safe and effective means to clean a roof is an electric agricultural sprayer system, as originally developed in Florida, USA in the early 1990s. The equipment is used to apply a cleaning solution (typically containing bleach) that kills the algae, baceteria, mold, mildew, moss, fungus and other organic organisms growing on the roof. This is soft washing. The equipment does not use pressure or mechanical means to clean the roof. Using a pressure washer, or any other gas powered device, to clean a roof at more than 100 PSI can damage the roof. The U.S. based Asphalt Roofing Manufactureres' Association specifies the use of a bleach cleaning solution, without the use of a pressure washer, to remove algae from a roof. ARMA discourages the use of a pressure washer, a flat-surface cleaner or any other mechanical device to clean a roof. Safe, effective soft washing cannot be achieved with a pressure washer, as the Venturi device (downstreaming) cannot achieve sufficient strength solution to kill the organisms, cleaning the roof. Use of different tips on the pressure washer, so that it drops the pressure down to around 500 psi (3,400 kPa) or less, relies on the pressure of the equipment, and not the chemicals, to clean the roof.

Another safe and effective method is the use of air pressure using an air compressor, hose, and wand. There are a number of roofing companies that use this method. Never use a pressure washer as this may damage the roof.[6] Roof cleaning devices exist that may minimize the spread of airborne radioactive materials (in contaminated areas) and other harmful materials, such as asbestos.[7] Specialized robots have been designed to facilitate cleaning roofs.[8]

See also

Bishop's Stortford Roof and Dorma Clean

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Roof Moss


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