After spraying the roof with the.
Can you pressure wash a shingle roof.
Roofs are meant to withstand water falling from above not shooting up from below.
Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home.
This is the best way to clean a roof if you have asphalt shingles.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
Never aim it up the roof as it can blast water under your shingles and cause leaks in your home.
You can make our own out of bleach and water.
Always stand on a dry area of the roof as wet shingles can be very slippery.
Wash the roofing shingles with a hose from the ground.
Start with a medium pressure spray pattern and adjust from there accordingly.
The power of a pressure washer can damage the shingles on your roof so it s important that you select the proper spray tip.
This part of the tile is designed to gradually wear off until the tile needs to be replaced usually after 80 100 years of normal weathering.
Keep the tip of the pressure washer wand at least 12 away from the shingle surface when you begin cleaning.
Why you should never use a pressure washer on roof tiles the most common roof tiles in the united kingdom are made from concrete and have a sandy granular finish on the exposed side of the tile.
To clean off algae and moss corrosive cleaners are needed to kill the growth but you don t need to use that high of pressure for your water stream.
Pressure washing is very effective but may be best for metal or concrete roofs.
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 coating of protective.
Wet shingles can be really slippery.
Then get the right detergent.
Always aim the pressure washer down the roof.
There is a chance that the pressurized water could damage your shingles.
Spraying with a hose or pressure washing from ground level forces water up underneath the shingles and or decking which can lift the roofing materials and create leaks and deck rot.
Get a cold water pressure washer that can blast away the dirt and grime in no time at all.
You ll need corrosive cleaner like lye a garden hose a supplemental water pump or a specialized roof or shingle cleaning tool and the proper safety equipment.