I've heard bad things about Sika, re: not being suitable for moxing in a cement mixer:
http://www.screwfix.com/p/sika-sika-1-waterproofer-yellow-5ltr/34457
This Screwfix own brand stuff is far cheaper too. Anyone got any experience of it:
http://www.screwfix.com/p/no-nonsense-integral-waterproofer-fluorescent-pink-5ltr/43947
http://www.screwfix.com/p/sika-sika-1-waterproofer-yellow-5ltr/34457
This Screwfix own brand stuff is far cheaper too. Anyone got any experience of it:
http://www.screwfix.com/p/no-nonsense-integral-waterproofer-fluorescent-pink-5ltr/43947