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شما از نسخه قدیمی این مرورگر استفاده میکنید. این نسخه دارای مشکلات امنیتی بسیاری است و نمی تواند تمامی ویژگی های این وبسایت و دیگر وبسایت ها را به خوبی نمایش دهد.
جهت دریافت اطلاعات بیشتر در زمینه به روز رسانی مرورگر اینجا کلیک کنید.

Facade Cleaning Methods

Façade cleaning is a service provided for high performance buildings in order to give them a refreshed and attractive look.

Facade Cleaning Methods

A clean building presents a more hospitable front and therefore a more attractive real estate prospect to the public. Another key motivation behind facade cleaning is the effort to remove damaging pollutants (Sulfur & Nitrogen oxides) who serve to accelerate facade deterioration.
There are companies which undertake facade cleaning contracts for high performance buildings having glass facade or structural glazing.
CLEANING METHODS
Water cleaning method
a. Water soaking: A slow steady stream of water is use to loosen dirt and wash it away , a very effective method as dirt becomes swollen and soft. Hand scrubbing with brush or rinsing with 400 psi water spray may follow the water soaking. The method is very effective in lime stone glaze brick.
b. Pressure washing: Pressurize water , measure in pounds per square inch , blasts contaminants away from the facade. The procedure is effective on stone , masonry and concrete for the removal of light to moderate atmospheric and organic staining.
Chemical cleaning method
Chemical products work by dissolving the stains , allowing them to be rinsed away.
Four categories of chemical agent: Acidic cleaners , alkaline cleaners  , organic solvent  , non-sudsing detergent. The procedure is effective to conquer tough facade stains.
Abrasive cleaning
Design to completely remove the outer portion of substrate on which the stain sits , rather than merely dissolving and washing away stain. Effective for stone , masonry and concrete.

Rappel (Spider-Man) Services
It is very low on capital cost and on the cleaning cost , besides it is safe and operative friendly.
Components of the system
a. Nylon Ropes: The ropes which are parachute guide , are capable of withstanding one ton of load and useful for 1000 hours of working as per BIS
b. Ascending and Descending system (spider-man kit):Typically used kits are imported from UK or France which represent these key features:
Portable and light weight
One man operation
Fail safe capability
One is to two pulley ratio

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