The Victorian house had suffered a little subsidence in the past. This had been fixed with underpinning but it had still left a nasty sloping floor in the bathroom. Fitting the new suite provided the ideal opportunity to level the floors on some firing strips finished with sheet plywood to give greater stability. On top of this the team laid Wedi tile backer board on tile adhesive. The electric under-floor heating was next. The easiest way to provide an even tile bed is to throw a bucket of self levelling screed over the electric mesh. This prevents damage to the mesh from the notched trowel. The heritage corner shower tray was laid on a weak sand and cement base.
This is essential with any resin tray because the have great compressive strength but not much tensile strength . Even if the floor is perfectly even there may still be a variation in the resin casting. It only takes a couple of millimetres of variation to allow a crack to develop. You also need to bear in mind that the population is getting heavier. It is not unusual to have a sixteen stone person standing on a shower tray and no everyone showers alone, though the probability of two sixteen stone people showering together is likely to be (let’s not go there EDITOR). |
