Posts Tagged With "roof cleaning methods" | Forum | Replies | Views | Last Post | |
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Certified Roof Cleaning - Chemicals | 16 | 1228 | ||
Yesterday I bought 15% bleach and it was weak! I had to spray the roofs about 4 times before they would come clean. Well anyway the chemical guy said he would test it. And he did - by dripping some on his finger and showing me it bubbling "see that? it's fresh" He then proceeded to instruct me on... |
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