|
MAINTENANCE |
|
|
|
Upkeep by cleaning |
Products used |
Cleaning method |
Precautions
|
|
Vegetable-based oils, fats |
Soapy water + Detergent |
Scrubbing + Pressure Rinsing |
- |
|
Tannin |
Oxydising agent |
Scrubbing + Pressure Rinsing |
Dampen before treatment Risk of discolouring |
|
Chewing gum |
- |
Power washing |
- |
|
Asphalt |
Hot wash using washing powder or Detergent |
Pressurized application or using abrasive techniques |
- |
|
Micro-organisms |
Fungicide |
Pressurized application Scrubbing necessary |
Dampen before treatment |
|
Rust |
Oxalic acid 5% Phosphoric acid 10 % |
Scrubbing + Pressure Rinsing |
Dampen before treatment Corrosive, toxic product, attacks concrete. Rinse copiously. |
|
Efflorescences |
Dilute acid |
Scrubbing + Rinsing |
Dampen before treatment |
|
Paint and graffiti |
Specific solvent |
Scrubbing + Pressure Rinsing |
Extremely corrosive and toxic products |
Preventive products
The following table brings together products recommended for the most commonly-occurring stains.
|
Type of stains |
Products recommended |
Remarks |
|
Micro-organisms, efflorescence |
Water repellents |
Reduces the discolouring of surfaces by making them more easily washable by rainfal |
|
Vegetable-based oils and fats |
Oil repellents |
Reduces the penetration of oils, therefore facilitating the washing of the treated surfaces. |
|
Tannin, chewing gum, asphalt, rust, paint and graffiti |
Resins |
Provides not only a water and oil repellent treatment, but also reduces the likelihood other soiling agents will adhere to the surface. |