Power Washing Roof Damage

Also pressure washing your roof may void the warranty.

Power washing roof damage.

Pressure washing is very effective but may be best for metal or concrete roofs. Pressure washing causes a lot of damage. Asphalt shingles have granules. Read on for our best roof cleaning tips.

An improper nozzle size is also a potential problem. There are alternatives that work better and don t cause damage. A pressure washer can strip those granules away from the shingles. Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.

The problem with this solution is that the process can cause roof damage and if you still have a warranty certificate available it might invalidate it. Soft washing is the safe gentle. This means you will be replacing your roof soon. By billie jo jannen it s generally not necessary to pressure wash a shingle roof for the purpose of removing ordinary dirt and leaves and pressure washing can potentially damage the shingles.

This includes rain sun and more. A high powered pressure washer can also dent aluminum and vinyl siding. The granules protect your roof from many things. There is also a risk of flooding to the loft space.

This is the best way to clean a roof if you have asphalt shingles. While it s possible to wash wood siding correctly there s also a good chance that water will find its way up and under the exterior surface if you use high pressure. A power washer s output pressure can be too high to bear by certain roofing materials. When using a high powered pressure washer there is a risk of flooding to the loft space.

While a typical roof is designed to withstand the elements it isn t designed to cope with water being ejected from a nozzle at such high speeds. The force of pressure washing is too much for roof surfaces and can cause damage to shingles and underlying materials strip paint blast window seals or push water behind siding or into an attic. The water may penetrate past the overlaps in the tiles and enter the roof. A main concern that people have is that the hard jet of water coming from the pressure washer nozzle is too strong and will loosen or damage the shingles and thus leave the roof porous and vulnerable to rain.

Read more about why pressure washing a roof is a very stupid thing to do. Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home. As stated by several roof tile manufacturers and the uk s trading standards organization pressure washers can damage roof tiles strip the surface granules from the tiles and shorten tile life expectancy. Use a pressure washer which can loosen shingles and seriously damage your roof.

Then your roof will not be protected.