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What is the purpose of a screed in construction?
What is the purpose of a screed in construction?
- To add extra strength to the flooring material
- To create a level surface for applying floor finishes (correct)
- To act as a protective layer over concrete floors
- To provide a rough surface for laying floor finishes
What is the minimum thickness required for an anhydrite compound screed if a floating finish is needed?
What is the minimum thickness required for an anhydrite compound screed if a floating finish is needed?
- 30mm
- 20mm
- 25mm
- 35mm (correct)
In what scenario would you use a bonded screed?
In what scenario would you use a bonded screed?
- When you need the screed to bond and harden with concrete (correct)
- When you need a screed thicker than 30mm
- When you are laying the screed in large bays or strips
- When you want the screed to dry quickly
What is the purpose of spraying a retarder on concrete?
What is the purpose of spraying a retarder on concrete?
Which type of screed is recommended to be at least 40mm thick with good bonding to the concrete base?
Which type of screed is recommended to be at least 40mm thick with good bonding to the concrete base?
What is the purpose of reinforcing a screed with a light mesh?
What is the purpose of reinforcing a screed with a light mesh?
In un-bonded screed, what effect does a lower proportion of cement to sand have?
In un-bonded screed, what effect does a lower proportion of cement to sand have?
What is the typical ratio of cement to sharp sand used in a floor screed?
What is the typical ratio of cement to sharp sand used in a floor screed?
In the context of floor screeds, what is the purpose of a fine metal mesh or fibres like polypropylene or glass?
In the context of floor screeds, what is the purpose of a fine metal mesh or fibres like polypropylene or glass?
When applying a floor screed, what are the two main methods discussed in the text?
When applying a floor screed, what are the two main methods discussed in the text?
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