Replacing asphalt shingle roof vs applying sealent coating.
How to remove spray coating from shingled roof.
The harsher the environment the less time you gain.
Always work from the top of the roof downward to ensure water pours off the roof and so the water or tools won t lift and break shingles and tiles.
Type of existing roof spray on roof coatings are applied as a liquid and dry naturally over 8 to 24 hours depending on the weather conditions.
That ll prevent the cleaner from drying out too quickly.
However at the time of this writing they do list a number of companies that.
You can find these asphalt shingle coating products at most home improvement stores and many roofing contractors apply them as well.
The high powered water jets can damage shingles and remove the shingle granules that protect the roof.
Before applying the cleaner spray the roof with water to cool it down.
Use enough to completely wet.
Simply clean all dirt mold and mildew off stir contents in can then roller on with 1 2 nap roller or use a hand pumped sprayer to apply our roof coating for asphalt shingles.
Let the first coat dry for 3 4 hours and then apply the second coat.
They call it the algaeblock system.
How to remove paint from asphalt shingles.
Saving your old asphalt shingled roof doesn t get any easier or better than this.
Scrub shingles before applying a moss remover cleaner use a scrub brush 3 15 the home depot or a long handled soft bristle brush to gently scrape or pluck moss from the roof shingles.
Wet a rag with paint stripper or paint remover and blot the surface of the paint with the rag.
Place several drops of rubbing alcohol onto the surface of the paint.
Experts at dow chemical one manufacturer of such coatings note that they can actually cause leaks as the edges of shingles may turn up and create an opening for water.
This unique advance in shingle technology gives long term fungus protection for the entire roof.
But here are some general indicators that your facility roof may be eligible for a spray on roof coating.
You can find more information on these special roofing shingles here.
I have used them and from my experience roof coatings will only gain you a few years.
This is why roof coatings are designed for flat or low slope roofing systems less than 14.
Then spray the cleaner onto the shingles photo 1.
3m is not a manufacturer of asphalt shingles just the granules.
Do not scrub with the rag because that.
Apply a storebought or diy cleaning solution to remove the moss.
If you re going to put panels on the roof and the roof is past its half life re roof.
