How To Clean a Skylight Glass on a Flat Roof- By Hand

Every day, people who work in the cleaning sector are trying new methods to clean windows, conservatories, skylights in the safest way and without damaging property. Some of our customers ask us why some window cleaners don’t clean skylight by hand.  

” Why the use a bush?”, ” What happen with the traditional cleaning “, “How to clean a skylight by hand?”

Unfortunately, many times some clients are not totally satisfied with the final result.  Either because they think that a good job has not been done or maybe because sometimes windows, conservatories or skylights do not stay completely dry.  In the case that it is cleaned with a brush and water.

That is why through this post, I would like to teach you how to clean a flat skylight in the traditional way, with a final result that will surprise you.

You can follow the video step by step, although I will leave everything in writing below for better illustration.


Our Skylight Glass Cleaning Procedures on Your Flat Roof From Indoor and Outdoor 

  1. Clean the surface well, since many times we find small stones, ground or any other material that can cause scratches on the glass. 
  2. Add a product that helps to remove the Limescale, because many times there are residues generated by the dust of the bricks or the cement of the walls and the rainwater.  You can use whatever you use daily at home to clean the bathroom. Limescale Remover.
  3. Rub the surface of the glass well and softly with a clean cloth.  Many times it is necessary to use a scrapper (but use a professional one and check the blade well. It has to be single use).
  4. Wash the glass well again with an applicator and soap.
  5. Dry the surface of the glass with a squeegee.
  6. Dry the borders and the corners with a clean and dry cloth.  Check if there are no soap residues on the glass and dry it if it’s necessary.


Important FAQs Related to Cleaning a Skylight Glass by Hand:

What tools and materials are needed to clean a skylight by hand?

To clean a skylight by hand, you will need a bucket, a sponge, a squeegee, a soft-bristled brush, a ladder, and a cleaning solution. The cleaning solution should be gentle and not contain any harsh chemicals that could damage the skylight.

How often should a skylight be cleaned?

The frequency of cleaning a skylight depends on various factors such as the location, weather conditions, and surrounding environment. Generally, it is recommended to clean a skylight at least twice a year, or more frequently if you notice it getting dirty.

What is the best way to clean a skylight by hand?

The best way to clean a skylight by hand is to first remove any loose debris or dirt with a soft-bristled brush. Then, mix a cleaning solution with warm water and a mild detergent. Apply the solution to the skylight with a sponge and let it sit for a few minutes. Use a squeegee to remove the cleaning solution and dry the skylight with a clean cloth.

Can a skylight be cleaned from the inside?

It is possible to clean a skylight from the inside, but it can be more challenging as you may need to climb onto the roof to reach the skylight. It is recommended to hire a professional if you are not comfortable cleaning a skylight from the inside.

What are some common mistakes to avoid when cleaning a skylight?

One common mistake to avoid when cleaning a skylight is using harsh chemicals or abrasive materials that could scratch or damage the surface of the skylight. Additionally, it is important to avoid using too much water or cleaning solution, as this can lead to water spots or streaks on the skylight. Always follow the manufacturer’s instructions for cleaning and maintenance.

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