Many people aren ’ t sure what the difference is between a concrete floor and floor screed , which is not too surprising when you consider that both are made from cement , aggregates and water . So what is the difference ? Concrete is a much more coarse mixture , using larger aggregates to make it stronger and more durable , whereas a screed mixture is far smoother , with sharp sand used as the aggregate , and much less aggregate used .
Because concrete is so strong , it ’ s used across the construction industry for structural purposes – including for floor slabs . The smoother screed is usually applied on top of the concrete slab and is most used to level the floor before the final floor covering of a carpet , tiles , linoleum , etc ., or as a final layer itself . This is often done in , for instance , a warehouse environment or as stylish flooring in a country cottage or “ industrial ” style house or loft apartment .
There are three main types of screed – bonded , unbonded , and floating . Bonded is when the screed is applied directly to the concrete base using a bonding agent , bonded is when the screed is laid onto a membrane , and floating is when
PPC CEMENT the screed is used as an insulation layer , for instance with underfloor heating .
On the next page are basic instructions for a DIY screed floor . Make sure you consult several sources before you begin , to ensure you have all the information you need for preparing , shopping for , and completing the task .
You will need :
• PPC Cement
• Sand
• Water
• Bonding agent
• Large paint brush or roller
• Bucket for mixing
• Mixing tool
• Straight edge BATTEN
• Trowel
• Safety glasses
• Gloves
• Dust mask
Preparation :
To prepare the floor , remove everything so that the floor is completely empty . Next , sweep or vacuum any dirt , dust or debris . Measure the floor , so that you can get the right mix of materials for the size .