What is construction window cleaning?
This type of window cleaning requires the window cleaner to be specifically trained to remove several types of construction debris from the glass without scratching.
What are the most common tools used to remove construction debris from glass?
Metal scrapers and razor blades have been the standard for construction window cleaning and remain the proven method to safely remove construction debris from glass without scratching.
What chemicals are used to remove plaster, concrete and mortar from glass?
Products with phosphoric acid are commonly used. The acid dissolves the cement in the debris and makes it much easier to remove. Beware of any side effects on surrounding stucco and IG seals.
What is used or recommended to wet the window in construction window cleaning?
High quality window brushes are used for their ability to spread adequate water without scratching the glass. They help prevent sand from getting trapped between the brush and the glass. Strip washers are also commonly used, but hold less water and carry a higher risk of trapping construction debris, which can scratch glass more easily.
Can steel wool be used to clean glass in a construction environment, without scratching the glass?
Yes. Steel wool is sometimes used to remove construction debris from glass, but carries a higher risk of scratching glass. If construction debris gets trapped between the steel wool and glass, scratching could result. Also, if steel wool is to be used, use only new steel wool. If rust is present in old steel wool, scratched glass will result.