Browse Forums General Discussion Re: Flooring - Grout Issues 6Dec 09, 2020 7:38 am Black Lab Awesome, Thank you for the tip! Just make sure you take it nice and slow. The bit can damage tiles so I suggest maybe laying some tape down before you start. Here is the drill bit I used https://www.amazon.com.au/DEWALT-Dwa421 ... 7324&psc=1 Thanks splashers, that makes sense. The waterproofing guy used this Davco product, I will raise the issue with builder and hopefully get resolved with him - if not… 2 13318 Hi everyone, Have just put a shower in the laundry and after only using it 2-3 times have noticed staining on the grout. The tiles were glued onto a concrete wall after… 0 5845 Have some black tiles in our bathroom on one feature wall laid on top of the waterproofing. What I think is efflorescence or white chalky looking grout has turned the… 0 2654 |