Moss can seriously impact asphalt shingle performance by causing them to curl up and blow off eventually resulting in leaks.
Pool shock on roof shingles for moss.
If the roof is steep add a half a cup of liquid laundry detergent.
It s always a good idea to run it the total length of the roof why not you re up there anyway.
Shocking the pool implies that pool shock gets applied to counter any foreign growth like algae moss like granular particles and more.
It is pretty cheap and easy to buy almost anywhere.
In the large tank or container mix the pool shock liquid with equal amounts of fresh water.
You can use a roofing tar and a few nails about every 32 inches apart.
I use 10 sodium hypochlorite pool shock mixed with 2 gal of water and tsp substitute 8 oz.
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.
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.
Powdered pool shock is generically called calcium hypochlorite.
The trick is to put the flashing under the tab of the shingle as far up the roof as you can.
Hose off and brush all moss loose from your roof shingles.
Step 3 apply the cleaning solution to the roof this step requires special attention to safety because the roof shingles can become very slippery.
Moss and algae spores are carried by the wind or animals from rooftop to rooftop which is why entire neighborhoods are often affected.
The main objective of the pool shock is to get rid of chloramine corruption.
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.
Lots of moisture and not a lot of sun will cause moss to grow.
Making sure the flashing lays as flat as it can.
This is just a heavy duty version of household bleach.
Hello wood rot and leaks.
Roof stains return in as few as 9 months and the roof mold is worse than before.
And no walmart does not sell this or the big box stores.
The use of pool shock comes in certain stages.
You can go into any pool supply and ask for a gallon of shock for about 4 00 per gallon.
Why not clean my roof with bleach.
While algae doesn t actually harm your roof it can impact its aesthetic appeal.