Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
How to clean foam roof.
Of laundry strength liquid chlorine bleach and water.
Pour it into a pump sprayer strap yourself into a full body harness tie it down and climb to the roof.
Clean grease and oil off your spf roof with non corrosive non acidic cleaners dawn dish detergent is excellent and use a maximum 3000 psi of water for everything else.
Mix the hot water bleach and detergent and pour into the garden sprayer.
Take out the foam roofing repair kit you purchased and read the instructions thoroughly.
Finishing touches on cleaning a spray foam roof.
Also use this time to check your scuppers and gutters and any other penetrations for damage before preceding repair and clean those out as well.
Step 4 apply the foam.
But it is better to check your foam roof once a season so as to stay on the safe side.
Pour the mixture into the garden sprayer.
This is the best way to clean a roof if you have asphalt shingles.
Make sure you know how to use the spray nozzles and how the foam will apply.
Mix the hot water bleach and detergent in the bucket until the soap granules dissolve.
Give your clean roof time to dry before applying your first layer of coating.
Clean shingles on a cool humid overcast day to ensure that the cleaner doesn t dry too fast on the roof.
I do not believe you can properly clean a roof with a hose and a spray nozzle you need a powerwasher.
A clean roof passes a lifetime.
If it is a cloudy day you may need to give it longer to dry.
Foam roof recoating before applying a new coating the first step is to remove any debris thoroughly clean your roof with a blower and broom or a pressure washer.
Then check every other structure on the roof and make sure they re free of debris.
Then there is the issue of the very fine white granules some kind of crushed rock that roofing companies typically apply as the final surface on foam roofs.
Suitable detergents can be used to clean off any grease or oil.
All rooftops should be cleaned every once in a while.
Mix the product with water for a 1 7 dilution ratio a gallon covers about 700 to 900 sq.
Using a pressure washer clean off any debris leaves and dirt off the roof.
That ll prevent the cleaner from drying out too quickly.
Allow the roof to dry a few hours in the sunlight.
You should thoroughly investigate all signs of roof damages at least once every year.