Tech Talk articles

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January 6, 2021. 3:32 AM

Industrial flooring: What is the difference between Epoxy and Polyurethane

In general Epoxy floor coating are tougher. They have higher durability and higher compressive strength as compared to polyurethane flooring. Polyurethane floor coatings, on the other hand, are typically “softer”. They are more flexible and…

December 18, 2020. 7:48 AM

Guide To Installing Large Format Ceramic Tiles

Slim tiles and large format tiles, as defined by UNI 11493-1, are as follows: • Slim tiles: up to 5mm thick • Large format tiles: having one side more than 60cm long The particularly large format and extremely low absorption rate, typical…

December 18, 2020. 2:12 AM

Reasons why tiles buckle

The phenomenon behind buckled tiles So what happens before tiles buckle?  The tiles are compressed one against the other which, in turn, creates tension at the interface between the tile and the tile bed.  The separation of the tile from the tile…

November 20, 2020. 7:37 AM

Waterproofing of roof slabs: substrate preparation and crack repairs

The need to seal cracks in concrete structures to maintain water-tightness seems obvious. However, if a waterproofing membrane is installed, how important is it to keep the structure crack-free? Isn’t it the waterproofing membrane’s function to…

November 20, 2020. 4:27 AM

Pre-wetting of concrete substrates: why?

Manufacturers recommend pre-wetting of cementitious substrates (concrete, screeds, plasters) before applying cementitious mortar over-lays eg grouts, waterproofing slurries, etc. There is a good reason for this and it is explained here. …

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