Poor workmanship and client service to say the least

We had a similar experience with Renier Maritz / Renandi. We asked that he take off existing louvres and replace it with something that 1. does not leak, 2. does not rattle, 3. not see dirt on the roof and 4. paint all beams etc white. None of this was done. He was so pedantic on lifting the structure that there is now no downflow of water, hence it constantly leaks on my patio, furniture and canvas. The roof rattles, dirt is all over as it is stuck where the roof already dropped one week after completion and the paintwork is atrocious to say the least. He insisted on poly-carbonated sheets, which I don't think he knows the product well as he seemed just as surprised to see dirt on the roof? He also did not remove the rubble as originally agreed upon, but as he got here with a little car I though we might as well be kind and get rid of the steel ourselves. It took them a week to put 5 sheets on, he was back a week later (on a Saturday) as we complained of leaks in November. He then suggested to use some of the s**** metal lying around to fix the roof! Thats when alarms went off and we realised he probably does not know how to fix the roof. Then he suggested a contact of his spray the roof (I assume with something similar to rubberising) to prevent us from seeing the dirt, but we will have to get this done every odd year....maintenance? So again we were kind and asked him to rather take December, work on a plan and come fix the roof properly on 12 January.....so he had almost 2 months grace. 12 Dec he sent a whatsapp to say he will fix the roof on or before Jan 12th. On 8 Jan we tried to contact him via whatsapp and facebook to confirm but no response although he did read the whatsapp. Eventually I phoned him on Fri the 11th and he was 'surprised' that we made an appointment as he did not realise 12 Jan is a Saturday? He does not work on Saturdays, after he confirmed on the day in Nov as well as 12 Des. When he had no other excuse he came up with a story that he had no tools or staff to assist him, but he can come have a look the next Saturday?? We are taking civil action against him as there is no way I am letting go of R11000 for a hot mess. We will also make sure as many people as possible will know about this shocking workmanship and poor client service.