QUOTE(weikee @ May 11 2012, 09:12 PM)
Your tiller did not put enough cement. Some area do bound to have some hollow, knock on the tiles, of no hollow sound than is ok
No only cement but tile adheisive +cement + susu....before laying tiles,apply thin layer of susu+tile adheisove, lay tile use opc +tiles adheisive+ susu as manufactural recommandation :nod
Porcelin tiles look nice but really give me problem.....out of my 10 project, 9 having this problem after worker drill tiles to install fitting:(
QUOTE(JinXXX @ May 11 2012, 10:45 PM)
1. never use hammer mode if your drill support it...
2. drill slow... and consistant with some pressure pressing...
3. stop after a few minutes..
4. yes it takes time to drill...
5. fast /press to hard = cracked tiles
6. after drill through the tile change to normal bit to drill through the concrete behind the tile can use hammer mode..
wan drill fast get a diamond bit that is designed to drill through tiles/ceramic/porcelin and all that stuff
This is the correct way to drill tiles