You would be better using a synthetic primer ian.....
SBR Bonding/Admix agent - (Everbuild)
(Do not be tempted to use cheaper PVA which moisture breaks down)
SBR Bond is a latex based - Highly suited for priming areas before tiling
Water resistant bonding/priming agent and admixture for use in areas subject to humidity, dampness and continuous water contact
Improves water resistance of cement mixtures by forming a reinforcing polymer that increases long term durability and flexibility of the mix on renderings and floor screeds adhesive etc.
Can be diluted up to 3:1 with water - follow instuction on bottle
Size: 5 litre
Price: £11.99 £13.79 Including VAT at 15%
Now that's a nice price! 😉
