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Commercial Cleaning • Industrial Cleaning
Grounds & Estate Maintenance

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Pigeon Droppings 

This is achieved using a combination of high pressure washing techniques with either hot or cold water equipment or aided by alkaline detergents in very heavily contaminated situations.

Where necessary, surfaces are firstly rinsed with a low-pressure cold water wash in order to contain the droppings in one area and avoid the particles becoming airborne.

In the case of heavy contamination chemicals should be diluted according to the manufacturers instructions and brush applied to the surface being cleaned. A suitable dwell time is allowed before the chemicals are washed away using high-pressure hot water. The water pressure and temperature will be adjusted to a level suitable to the substrate being cleaned so as to avoid causing possible damage to the substrate. Pressures are adjustable from 50 to 3000 psi, with water temperatures adjustable to 150 degrees C.

The operation is repeated if necessary.

When cleaning paved surfaces with sand filled joints, loose material will be removed during the washing operation. Upon completion of the washing process, joints will be fully reinstated with kiln dried sand.

When cleaning surfaces, every care is taken to avoid damage to mortared joints. However, The Shield Group does not accept any responsibility for the removal of material from defective mortared joints. They like replica watches.

Where defective mortar joints are in evidence, The Shield Group will advise the client accordingly prior to the commencement of works.


Because of the potentially volatile nature of natural salts and chemicals present in a variety of masonry substrates, The Shield Group states that it cannot be held responsible for the appearance of efflorescence or other staining that may occur as a result of the reactivation of such salts and chemicals, during the washing process.