you can pick everything up you need at the Homemart on the Prasat rd same side as the Army camp and golf course mate ,it’s a tricky job to do mate you have to mix the colours (powder) and use a mix of stones ,then clean it off at the end with Acid then apply a coat of a sealant .
http://www.surinfarang.com/vbulletin/showthread.php?5477-A-House-Constructed-in-Ta-Tum-Surin!!/page3
There is a step getting cleaned on the bottom on this post ..
We will be doing more in Buched in a couple of weeks mate your welcome to come and have a look at the process mate , once you see then you will understand how much of an art it is .Let me know if ou want to come and I will pick you up on the way .