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In most cases the flange penetration will need to be enlarged. This can be done with a hole saw or a blade knife, or in the case of fibre cement sheet, nibbling with pliers. Apply building adhesive to back of outer edge of flange and position. Gently press whilst rotating back and forth to achieve optimum positioning. A bead of sealant is then applied between the tap body and flange. The flange is now fitted and your wet area is ready to be tiled. However if a plastic 'block off' is used instead of a spindle and the flange will not fit over it, the following procedures will need to be carried out: with a pair of snips, make a cut across the outer flange to the step. Next, cut from the inside, across sealant flange and up the step. It is important the flange is cut in two stages, as any attempt to cut the flange in one action will shatter it. The flange can then be gently opened in a spiral fashion, enough to slip over the 'block off'. A larger block off may make it difficult to apply sealant with flange fitted. In this case apply a bead of sealant around the tap body first, in such a way that it will contact the inner flange just before the outer flange engages the wall. Ensure that the cut you made on the flange ends up on top. |
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