Start from the top shingle and rinse downward to prevent water seepage.
How do you clean a roof without damaging shingles.
But there will be a bigger mess to clean up on the ground.
For many this is a preferred method because it doesn t require much bending over or getting dirty.
If they are severely molded you may want to give it a little longer.
Sunlight and warm weather will ensure the cleaning solution dries too fast to be of any use.
Use a pressure washer which can loosen shingles and seriously damage your roof.
The day you perform deep cleaning on the shingles should be cool and overcast.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
Before you begin it s important to repair loose shingles and flashings to minimize roof damage.
The gutters perform a key function in your roofing system and they perform best when they are clean and free of debris as well.
If you have access to an air blower then feel free to use it to blow off the debris.
And just as with the cleaning agents you use to clean algae off the roof be sure to use only non abrasive compounds that will not damage the shingles.
This is the best way to clean a roof if you have asphalt shingles.
Allow the solution to soak into the shingles for at least 15 minutes.
Step 1 choose a cool and overcast day.
Blowers will gently blow away the debris without causing any damage to your shingles.
Next rinse the shingles thoroughly with a garden hose at low pressure.