W-I-Y

How to waterproof a shower with dura.®flex

How to waterproof a shower with dura.®flex

Before embarking on tiling your shower ensure that the shower is waterproof. To ensure a waterproof installation it is necessary to waterproof the shower enclosure prior to tiling. If you’re renovating the shower it is recommended to remove the existing tiles and start the waterproofing and tiling process from scratch.

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    HERE’S HOW:

    Surface preparation

    Surfaces must be free from oil, grease, wax, dirt or any other form of foreign matter. Spalled surfaces or those containing large blowholes and other defects i.e. cracks should be repaired using dura.®flex or an a.b.e.® approved repair system.

    Mixing

    Use a suitable paddle to stir with. (recommend a paddle mixer or other approved spiral paddle attachment on a variable speed drill.  The preferred drill speed is between 280 and 640 rpm). Fill ¾ of the milky liquid into the bucket and with continuous stirring, slowly add grey powder. Mixing is continued, constantly moving the paddle around the drum, until a lump-free slurry is obtained. Then add the remaining milky liquid whilst continue stirring. This should take a maximum of 5 minutes.

    Application

    Use a soft block brush and spread the material to the required thickness. Do not add water to the material but dampen the surface.  Finish in one direction for a neat appearance

    More coats

    Apply a second coat and third coat of dura.®flex to the whole area to be waterproofed. Apply coats at right angles to each other, allowing 16 hours between coats.

    Apply 1kg per coat per m2, 3 coats required.

    5kg covers approx.1.5m2 and

    15kg covers approx. 4.5m2

    More information

    dura.flex may be left as is, be painted with high quality PVA acrylic paint or be tiled over.

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