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In construction, ‘blinding‘ typically refers to a base layer of weak concrete or sand that is laid above a layer of hardcore to provide a clean, level and dry working surface.
Blinding is the process of pouring a thin layer of concrete over the floor of a new building; this can be over the hardcore or over the foundation itself. The purpose of this is to seal in underlying material and prevent dirt and mud from interfering with the structure.
1 : causing or seeming to cause blindness : making sight difficult or impossible a blinding light a blinding snowstorm a blinding headache [=an extremely painful headache]
Oversite concrete is often reffered to as german floor by the laymen, others mistook it for dpc,however oversite concrete is the mass concrete that you pour to cover the entire lenght and breadth of a building on the ground floor to serve as a source of additional support to the structural stability of a building …
A: It’s perfectly acceptable to put tile directly on concrete — with a couple of caveats. First, it is important to determine if there is moisture coming up from the slab. … Those products should help prevent any cracks in the slab from damaging the newly installed tile.
No, never use PVA to prime a surface before applying tiles. The acetic acid produced when cement and PVA come into contact would render the adhesive and grout useless.
Add 1 part PVA to 4 parts water and mix until the PVA has dissolved. Apply this mixture straight to the plasterboard using a brush, allowing 15 minutes to dry. Apply a second coat and allow to dry overnight.
To summarise: On a wall not subject to constant wetness ie,kitchen bathroom and toilet walls pva is a perfectly adequate to bond the walls before tiling.