It is only advisable to use a pressure washer because you no longer need to worry about the condition of the old roof.
How to get moss off your roof.
Hose off and brush all moss loose from your roof shingles.
Climb up to the roof and begin scraping off dead moss from the shingles using a putty knife or painter s 5 in 1 tool and working from the bottom up.
How to remove moss from roof tiles step 1.
Always work from the top of the.
In the seams use the sharp edge of the scraper like a dental pick to force out the moss.
Spray all moss covered sections of the roof with water.
Your roofers will need to remove all the shingles on your old roof or they may need to remove the largest chunks of moss with a pressure washer and then apply the new roof.
No matter which method you choose to clean moss from your roof you re going to get dirty so dress.
If your moss problem requires more than.
1 slide a margin trowel under shingles to unstick them from the ones below.
After each cleaning you can also put some baking soda on the ridgeline of your roof since the baking soda will make an unsuitably high ph condition in which moss cannot grow.
You can physically remove moss from your roof with a long handled scrub brush if you re careful not to overdo it.
Spray roof with water.
2 slide sacrificial zinc strip underneath the loosened shingles.
3 secure the strip with roofing nails.
Apply a storebought or diy cleaning solution to remove the moss.
With either method work down the roof to keep from lifting and breaking shingles.
Hose off and brush all moss loose from your roof shingles.
Carefully place a ladder near the area of moss.
While a pressure washer can be used the powerful jet of water could damage asphalt shingles.