Hi everyone, I've just finished cleaning my 2nd tile roof and I had to Hit it 3 times and still didnt come out perfect, what could i be doing wrong? the black stuff on the roof is like in layers,
my mix consisted of 50/50 Sh and H20, with Ammonyx lo
Here are the after pictures, the black dots on the tiles i couldnt get to come off, Yes.. even after 3 Hits with the mix..
If it was real heavy its probably dead and will wash off after a rain.If you want to find out give an area a rinse with a garden hose or straight water through your pump.I usually let the customer know that after a couple of rains it will look fantastic you just need to let mother nature do her thing.