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How To Clean A Roof By Using Pressure Washer

Clean a Roof by Pressure Washer

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When exploring how to clean a roof, you will find that it ultimately depends on the type of roof you have. This is because you will need to use different methods, tools and materials for the different roof types.

Regardless of the type of roof you have, you want to give it a good cleaning about once a year after the winter.

The winter months are the harshest for a roof, especially when you live in a climate that sees snow, ice and extreme temperatures.

Yearly cleaning will help to prolong the life of your roof and reduce the need for costly repairs.

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Roof Pressure Cleaning

Image Credit: priceyourjob.co.uk

How to Clean a Roof: Roof Pressure Cleaning?

Some people prefer to use a pressure washer to clean their roof, but it is important to know that this is not appropriate for all roof types because it can cause damage. You need to know which roof types can handle this type of cleaning and the proper amount of pressure.

Before tackling roof pressure cleaning, it is best to consult a professional to ensure that you are using the right technique.

If you rent a pressure washer from a hardware store, you can talk to the associate to get the information that you need. Make sure that you inform the associate as to the type of roof you are cleaning, the overall structural condition of the roof and the approximate cleaning condition of the roof.

This allows them to give you the proper instructions and advice so that you can pressure clean your roof efficiently and without any issues.

How to Clean a Roof: Tile Roof Cleaning?

When you have a tile roof, you can tackle the job yourself without using a professional. Just make sure that you have the right tools and materials and that you are using the proper techniques.

Before you jump into the cleaning aspect, take the time to collect the following tools and materials:

  • A pressure washer with 1,200 to 1,500 psi of pressure and the proper nozzles.
  • Cleaning chemicals that contain sodium hydroxide.
  • Replacement tiles so that you can repair any minor damage as you clean to tackle two problems at once.
  • A ladder to get to your roof.
  • Plywood to allow for even weight distribution so that you do not damage tiles.
  • Sealant, primers and paint to take care of tiles after cleaning and drying them.
  • Dry and clean cloth rugs to buff the roofing tiles.

You should use the following steps to clean your tile roof thoroughly and properly:

  • Use your power washer to remove all loose debris and dirt from the surface of your roof. Start in the middle and work down.
  • Allow the tiles to dry completely and then apply the chemical cleaner using a low psi on your power washer.
  • Let the cleaner sit for a few minutes and then rinse your roof completely. Make sure that no residue is left behind. Start at the center of your roof and rinse outward.
    You should also rinse off the remainder of your home so that none of the cleaner sits on your outer walls.
  • As soon as your roof dries completely, buff it out.
  • After buffing, make any necessary tile repairs, seal your roof and do any necessary painting to complete the job and protect your roof.

How to Clean a Roof: Clean a Metal Roof?

Clean a Metal Roof

Metal roofs are relatively easy to clean because they are generally a flatter and smoother surface. Start by learning about the type of metal that makes up your roof and choose a cleaner that is specifically designed for that type of metal.

Next, use a water and tri-sodium phosphate mix to work away any mildew and mold that are growing on your roof. You should use a non-abrasive brush to tackle this part of the process.

Once you scrub your roof clean, you want to use water to completely rinse away the cleaner and any other chemicals used. It is critical that all of this is rinsed thoroughly or else there is the risk of corrosion.

Once your roof dries, you can use a paint or a sealer to re-seal your roof to protect it from the weather and other elements that it is exposed to throughout the year.

Now you have the information that you need for how to clean a roof. Make sure that you take your time so that you can get everything completed the first go around. This will save you time and money and it will get your roof as clean as possible.

When you spend time thoroughly cleaning your roof, you will extend the time in between cleanings. While you are performing roof maintenance, you should also take the time to clean your gutters and do a quick roof inspection so that you can get all of this done at once.