How much grout do I need?

How much grout you need depends on three things -

(1) the area of the mosaic = Length x Width

(2) the thickness of the tiles

(3) the gaps between the tiles.

If the tiles well-spaced (all gaps under 3mm), then you should be able to cover the entire mosaic of 450mm x 450mm with 1kg of grout. This is assuming your tiles are under 9-10mm thick.

Set your mosaic on a piece of plastic to catch all the wet grout that falls off the side as you spread it. That way you can scoop it up and use it otherwise you'll need a lot more grout because most is wasted. 

Suitable for indoors and outdoors

Fast setting and drying, high performance, anti-efflorescence grout, polymer modified, for joints from 2 to 20 mm. Water-repellent with DropEffect® and antimold with BioBlock® technology.Applications:Interior and exterior floor and wall grouting of all types of ceramic tiles (double-fired, single-fired, klinker, porcelain tiles, etc.), terracotta, stone material (natural stone, marble, granite, agglomerates, etc.), glass and marble mosaics.

Ensures complete uniformity of colour, does not produce surface efflorescence, dries quickly and therefore floor and wall coverings are ready for use quickly.BioBlock® technology applied to this product blocks various types of mould from forming and proliferating on the surface of the grout in humid conditions.

Also, the use of special hydrophobic additives (DropEffect® technology) gives grouting mortars high water-repellent properties, making them less prone to dirtiness and with excellent durability.Ideal for grouting exterior façades, balconies, terraces, swimming pools, bathrooms and kitchens. Especially suitable for grouting floors of supermarkets, highway service stations, restaurants, airports and public service grounds.

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