Tile grout - instructions

Tile grout - instructions: grout


The joints are the weak point on many tiled surfaces. If you want to stock your tiles, it's worth gathering a bit more information on this topic to get an optimal result. More in this guide.

Unfortunately, when grouting tiles, it is often the case that the optimum material for individual use is not chosen. This is mainly because this is usually taken along side by side. Before laying your tiles, it is best to take some time to enjoy them for a long time.

There are many aspects involved in the selection and processing of grout. On the one hand, the material has to match the tiles - both in terms of color and properties. Special local conditions, care instructions and personal requirements should also be considered.

Last but not least, it makes sense to be clear about the effect in space beforehand. If, for example, the colors of the tiles and joints have a strong contrast, this can be a great design effect but also extremely restless.

Correctly select joint widths in advance

To the joint widths are clear DIN specifications, which are not obligatory for the handyman, but can give an orientation and are regularly used in contracts with craftsmen as a basis for the construction inspection.

The following dimensional ranges for joints are specified in DIN 18352, 18158 and 18318:

Tile grout - instructions: tiles

In addition to the width of the joint, the laying plan is especially important.
  • Dry-pressed, ceramic tiles and slabs with side lengths of up to 10 cm: 1 to 3 mm
  • with a side length of more than 10 cm: 2 to 8 mm
  • Extruded ceramic tiles with a side length of up to 30 cm: 4 to 10 mm
  • Floor clinker plates: 8 to 15 mm
  • Solnhofen slabs, natural stone tiles: 2 to 3mm
  • Natural stone straps and natural stone or glass mosaic: 1 to 3mm
  • Paving joints with a stone thickness smaller than 12 cm: 3 to 5 mm
  • with a stone thickness greater than 12 cm:: Joint width 5 to 8 mm
Tip: In general, the wider the joints, the more rustic the impression. The narrower the joints, the more uniform and quiet the surface. The joint width also affects the installation plan (instructions here). You want to know how to lay tiles? Instructions here

Which joint color?

If a uniform impression is to be achieved, then the joint color of the tile color should be as similar as possible. However, you should be aware that on very light joints dirt and discoloration noticeably more noticeable. A white grooved soil is very caring and should be impregnated with one in any case - instructions here.

The smaller the tiles are, the more important the joint color becomes for the overall impression. A mosaic tile tiled surface is also a much higher percentage of the joint surface than is the case with large format tiles. If the fugue tone is chosen brighter, the entire surface becomes lighter and vice versa. If the contrast of tile color to grout color is large, the whole looks like a small-scale pattern.

Tiles in wood look only work naturally, if the joints are grouted in a very suitable, preferably a few nuances darker brown tone, than the color of the tiles themselves.

Tip: Test the color of the grout in the dried state, as the color may change significantly during drying.

Tile grouting - material

That depends on the tiles and the purpose. Terrace tiles have to meet different conditions than the tile mirror in the kitchen, for example, and porcelain stoneware is grouted with a different grout than glass mosaic tiles.

So read the manufacturer's specifications as far as the suitability is concerned. A quartz-containing grout will scratch sensitive, glazed surfaces during processing, so glass tiles and glazed tiles are grouted with highly plasticized tile adhesives or with products that are all in one for that particular purpose, glue and grout.

There are mortars especially suitable for natural stone and even water-permeable plaster mortars, which is an enormous advantage for unsealed surfaces, as there are hardly any weeds that can grow there.

Tile grouting with silicone

For the circumferential expansion joints along the wall-floor connection and at the edges of shower trays, bathtubs and washbasins you need in any case suitable sanitary silicone.

Tiling the tiles - tools and accessories

  • rubber joints
  • Mud board or tile washing set
  • Cartridge press for the silicone
  • Silikonfugenabzieher
  • if necessary also cement fog remover

How are tiles grouted? - Step by step instructions

Tile grout - instructions: instructions

Fill each joint well with grout.
  1. Thoroughly clean the tiles and joints (remnants of glue, foils, paper, etc.).
  2. Stir the adhesive according to the manufacturer's instructions - observe the rest period.
  3. Apply a trowel joint compound to the tiles and press in with the joint rubber in the joint direction and then remove with the rubber joint diagonally to the joint.
  4. If the grout dries, the tiles can be washed off with the sponge board and a lot of water in a circular motion. Caution: It must not be washed off too soon and not too late with the sponge board and not too much grout should be washed out.
  5. If the joints are dry the next day, polish the remaining veil on the tiles as far as possible dry.
  6. If there is still a residue, you can use Cement Veil Remover, but better wait another day and do not use the cleaner on the joint itself - just on the tiles.

Frequently Asked Questions - Tiling Tips:

Floor Tiles - Tricks?For floor tiles, a slurry joint mortar may be used, which is simply poured and stripped.
Tile grout - when to wash? / Tile grouting Drying time / Tile grouting How long to dry?The right time is when the joints are no longer too soft, but the excess joint size can still be washed off well. The thin veil on the tile is then usually already visible dried. The processing time of the manufacturer also gives a clue. Temperature and humidity play a significant role.
Tile grouting - repair?For repair work, there are tile repair spatula sets.
How do I clean the tiles after grouting?After washing, do not even apply until the joints have actually hardened (see information on the packaging). Depending on the surface, the remaining veil can then be polished dry or, if necessary, cleaned with a cement veil remover on rougher surfaces (observe the manufacturer's instructions).
Tile grouting - shower?The tiles in the shower are grouted in the same way as the tiles are on the wall. The wall surface in the shower is painted waterproof before tiling several times with a liquid seal. An impregnation in the shower area helps to keep it easy to care for.
Author: Christiane Baldwin

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Video Board: How To Grout Tile: Correct Technique Makes It Easy