Browse Forums DIY, Home Maintenance & Repair 1 Sep 28, 2011 9:18 am The front of our clay tiled roof needs a good clean as there is a lot of lichen on it - I had a quote from a roof restorer and it was hugely expensive. I dont mind paying someone to clean it but at what would have been a $400 per hour rate Im not interested! I have a friend with a pressure cleaner - and he has offered to loan it to us. Does anyone know if it is difficult to get the lichen off with a pressure cleaner - and is it something I can get my teenage son to do? Alternatively, if anyone knows anyone who will clean it at a good rate then I would appreciate a recommendation. Re: CLEANING CLAY ROOF TILES 3Sep 28, 2011 9:36 am I've had great success cleaning lichen off terracotta roof tiles with a high pressure cleaner. There's also a product you can apply (after the tiles have been cleaned) that inhibits the further growth of lichen, however I can't remember the name of it. Re: CLEANING CLAY ROOF TILES 4Sep 28, 2011 9:43 am After a bit of googling around, I think this was the product that I had read about: http://www.nutechpaints.com.au/roofcoatingterraglaze.htm No, I even have sections of narrowness where the tiles won't slide up any further. When I manage some spare time, I might play around with the first DIY part of my… 7 4922 I've dug some footings to embed a post anchor into. My holes are around 450mm deep which I'll put a 200mm stirrup into. The bottom of these holes seem firm enough. … 0 3297 Do you have solar on the roof, because if its not a laying defect it looks almost like someone has been walking all over the roof in the mid section of the tile (weakest… 2 1900 |