Terrace Tiling

 

Over the last few hot summer months I have been contacted by several people who were having problems with their terrace tiling. In each case an area of tiling had come loose from its sub base and risen upwards forming a bubble. When you walk over this area you can feel the tiles sinking below your feet as your weight pushes them back down. This is a common problem throughout Spain and is caused by two factors, firstly the tile adhesive used is of the wrong type and secondly the colour of the tiles is usually too dark.

  1. Adhesive - There are basically two types of adhesive used when laying tiles, one for internal use where there is little chance of it being affected by moisture and the second for kitchens, bathrooms and external use. As you might expect the internal tile adhesive is roughly half the price of the external adhesive and therefore it does not take rocket science for a builder to realise that savings can be made on the project. If internal adhesive is used in a damp environment it will slowly break down and perish, this usually takes between two and five years, plenty of time for any builder’s guarantees to have run out.
  2. Tile Colour - In the hot summer months the air temperature can reach 40 degrees C but your terrace tiling can be much hotter, too hot in fact to walk on. It is a commonly known fact that darker colours absorb heat and lighter colours to a certain degree reflect heat, which is why we usually dress in lighter coloured clothing in the summer. The same principle applies with tiling, darker colours absorb heat faster and in doing so expand. When a large area of tiling expands it has no where to go but up.


Once you have this problem there is little that can be done, the bubble will get larger as more water enters the void below the tiles.   Most people opt for the cheaper option of removing the loose tiles and relaying them but this is not really a cost effective solution, as next summer it will happen again in a different place. Not to mention that any new tiles which have to be bought to replace broken tiles will usually be a different colour. My advice would be bite the bullet, remove the old tiles and the adhesive and then either re tile with a lighter coloured non slip tile using the correct adhesive or pave the area with crazy paving stone.

 


John Phillips (F.I.A.S. F.A.B.E. M.I.B.C.O. F.F.B. M.R.S.H. C.M.W.O.B.O. M.B.I.M)
Construction Buena Vista

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Construction Buena Vista
Urb. Palmeria. Orba 03790

 

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0034 965 577 464 (office)

 

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Buena Vista Villas s.l.

Urb. Palmeria. Orba 03790

 

Please call us on

 

0034 965 577 464 (office)

 

0034 629 554 561 (mobile)

 

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