How To Clean A Flat Roof Effectively

How To Clean A Flat Roof Effectively - Home-Pro Roofing

How To Clean A Flat Roof Effectively

When something is out of sight, it is quite easy to forget about it. But as a homeowner, you cannot afford to forget about the maintenance of your roof. This is especially if you have a flat roof, as it requires extra maintenance, as there is potential of water and debris build-up. This can lead to possible issues. Here is how to clean a flat roof effectively.

Debris and Water Removal

Plants, branches, dirt, algae and mold are likely to collect on the surface. Do not allow this to amass to the point that they cause blockages on the gutters and drainage pipes. Get rid of this, so as to allow water to flow freely. Use a hand brush or sweeping brush to get rid of the debris and any standing water.

Get Rid Of Moss

If there is any moss on the roof, use a mixture of bleach and water to get rid of it. Use a spray bottle to pour the mixture directly on the moss and it will instantly kill it. Alternatively, spray the moss with moss-killer. Then wait a few minutes and then scrub it with a brush, which has metal bristles or tough plastic bristles. Then sweep away all the moss.

Use Chlorine Solution Wash

A chlorine solution wash can help you to effectively get rid of the dirt. Use one part chlorine to three parts of water and spot clean affected areas. Use the right protective gear and the right equipment, so that your skin does not come into contact with the solution, as it can be toxic. But it will get the job done and you will not use a lot of water.

Sodium Hydroxide

Use sodium hydroxide to clean affected areas. However, you need to thoroughly wash it away with lots of water to prevent it from damaging the surface.

Use a Pressure Washer

An alternative to the chlorine wash is using a pressure washer. This is a less toxic solution, as there are no chemicals being used. You will be able to clean while standing on the ground, or you can get on the roof or stand on a ladder.


The key to maintaining your tiles or slates is by maintaining a regular cleaning schedule. This will minimize chances of damage and in case of any problems; they can be easily spotted and dealt with in a timely manner. Washing the surface will only take a few hours but will greatly increase the longevity of the tiles.

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