Lots of moisture and not a lot of sun will cause moss to grow.
Pool shock on roof shingles for moss.
I use 10 sodium hypochlorite pool shock mixed with 2 gal of water and tsp substitute 8 oz.
Shocking the pool implies that pool shock gets applied to counter any foreign growth like algae moss like granular particles and more.
If the roof is steep add a half a cup of liquid laundry detergent.
It is pretty cheap and easy to buy almost anywhere.
And no walmart does not sell this or the big box stores.
You can use a roofing tar and a few nails about every 32 inches apart.
You can go into any pool supply and ask for a gallon of shock for about 4 00 per gallon.
Step 3 apply the cleaning solution to the roof this step requires special attention to safety because the roof shingles can become very slippery.
Why not clean my roof with bleach.
The main objective of the pool shock is to get rid of chloramine corruption.
The trick is to put the flashing under the tab of the shingle as far up the roof as you can.
Moss and algae spores are carried by the wind or animals from rooftop to rooftop which is why entire neighborhoods are often affected.
Roof stains return in as few as 9 months and the roof mold is worse than before.
Moss starts as a thin green layer on and between shingles but then it proceeds to lift those shingles up as it grows allowing water to seep underneath.
In the large tank or container mix the pool shock liquid with equal amounts of fresh water.
Hello wood rot and leaks.
It also will not leave salt behind when it evaporates as sodium hypochlorite will so it is safer for no rinse roof cleanings gutters or not.
This is just a heavy duty version of household bleach.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye.
Chlorine bleach also known as sodium hypochlorite or sh is not meant to be a roof cleaning chemical because it kills surface algae but can not penetrate the roof shingle granules to remove black mold root structures.
It s always a good idea to run it the total length of the roof why not you re up there anyway.
The use of pool shock comes in certain stages.
Powdered pool shock is generically called calcium hypochlorite.
Moss can seriously impact asphalt shingle performance by causing them to curl up and blow off eventually resulting in leaks.
Making sure the flashing lays as flat as it can.
The best way add some liquid dish soap to the mix to help the sh stick to the roof for more than one second.
