Pressure Clean Roofs

Metal roofs are relatively easy to clean with patience.

Pressure clean roofs.

Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water. Read more about why pressure washing a roof is a very stupid thing to do. While specialized eco friendly roof cleaners are available they are a little more expensive. Instead spray down the roof with a cleaner that kills mold and moss or apply a 50 50 mixture of bleach and water in a pump sprayer and let the moss die on its own.

Make sure to build up pressure. There is also a risk of flooding to the loft space. Instead soft washing with a garden hose is least likely to chip dent or crack the tiles or panels. Most contractors don t recommend pressure washing or power washing a roof.

We recommend hot water because metal roofs can handle it and hot water is more effective. This is the best way to clean a roof if you have asphalt shingles. Most important though is to take some safety precautions before attempting to clean to reduce the chance of injury. Start off with a hot water pressure with a 40 degree tip.

Optionally add cup 177 5 ml of a non ammonia heavy cleaner such as tsp trisodium phosphate for extra cleaning power. Of laundry strength liquid chlorine bleach and water. This is because the water comes out too forcefully and can damage the material. Roof guard is able to provide roof cleaning for a range of roof varieties and materials from concrete and terracotta to polycarbonate and metal.

Use low pressure to spray it clean the power of a pressure washer can damage the shingles on your roof so it s important that you select the proper spray tip. Each of these methods has their strengths and their own shortcomings. Pressure washing in which highly pressurized water is sprayed on the roof to remove any mold algae dirt or grime and chemical cleaning sometimes called soft washing in which chemicals are the main thing that are removing those harmful things from your roof. A home cleaner can be made with a quart 95 l of standard laundry bleach and a gallon 3 8 l of water.

This is very effective at getting rid of algae and mildew both of which often grow on metal roofs. Time and care must be taken to wash every inch of a roof including gutters and drainpipes but the end result is well worth it. High pressure tile cleaning is a very important step in a roof restoration. Start with a medium pressure spray pattern and adjust from there accordingly.

Always stand on a dry area of the roof as wet shingles can be very slippery.