I'm helping out one of my favorite clients as a favor and essentially the driveway of their estate is covered in a very resilient growth of moss.
I've tried taking a pressure washer to the driveway with a detergent mix and I'm actually pitting areas of the driveway before I actually take the moss off. The only way this moss comes off is if I hold the pressure washer almost right against the driveway but I'm running the risk of damaging areas of the driveway.
I've tried using a mix of bleach and TSP, left if for 30 min, but still nothing. My client would be very appreciative if I could rid her driveway of this unsightly problem with a less forceful and intrusive method.
Any help would be awesome, thanks!
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Thanks for the reply Miner. I'm going to take your suggestion and do a bit of research. Using a propane torch had crossed my mind but the growth is quite extensive.
All the best,
Matty Jardine, Aryze Developments
www.aryze.ca
If you do a google search under weed killers I think you will find some good advice. IIRC there was one with vinegar and dish soap that many people were using or some combination thereof. Only other way I know of is to get a propane torch and scraper and burn them out. However unless the roots are destroyed or pulled out - it will come back.