Sealants can prevent, for example, any occasioned damage when rainwater seeps in between tiles on a terrace. As long as they meet certain requirements, these commonly used products can be effective.


In our laboratories we test adhesives, waterproofing membranes, grouts and now also non-structural sealants. These products require specific certification and CE marking in the European market and UKCA in the UK. 

Balanced Standards: UNE-EN 15651-1, 15651-2, 15651-3 Y 15651-4.

These are the product standards for non-structural sealants use in buildings, according to their purpose:  

  • UNE EN 15651-1:2012: External joints in walls, perimeter joints of windows and doors including the interior-facing side.  
  • UNE EN 15651-2:2012: Joints for glass-glass, glass-frame and glass-porous materials.  
  • UNE EN 15651-3:2012: Joints in sanitary areas inside buildings.  
  • UNE EN 15651-4:2012: Joints in pedestrian areas, public areas, expansion joints between floors, balconies, terraces, warehouses. 

The tests we offerare:   

  • Physical-mechanical: creep, tensile properties, volume loss, elastic recovery.   
  • Reaction to fire

We can also carry out product identification tests for:  

  • Thermogravimetry  
  • Shore hardness  
  • Density
  • VOC emissions

1 Applus+ Laboratories (business name: LGAI T.C.), is an ENAC accredited testing laboratory with accreditation Nº9/LE901 and Nº9/LE985.

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