Plastering and Rendering (Leaving Cert Construction Studies): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the main difference between rendering and plastering?
What is the main difference between rendering and plastering?
Rendering is external, plastering internal
Why do external renders contain more cement than internal plasters?
Why do external renders contain more cement than internal plasters?
To provide weather resistance
What is the mix ratio for a scud coat in external rendering?
What is the mix ratio for a scud coat in external rendering?
cement to sharp sand
What thickness should the scratch coat reach in external rendering?
What thickness should the scratch coat reach in external rendering?
-mm
What is the maximum total thickness for all three external rendering coats combined?
What is the maximum total thickness for all three external rendering coats combined?
mm
How should the finish coat strength compare to the scratch coat?
How should the finish coat strength compare to the scratch coat?
Same strength or weaker, never stronger
How is a wet-dash (roughcast) finish achieved?
How is a wet-dash (roughcast) finish achieved?
Throwing final coat at wall whilst wet
In the two-stage gypsum method, how thick is the undercoat?
In the two-stage gypsum method, how thick is the undercoat?
mm
What are the standard dimensions of plasterboard sheets?
What are the standard dimensions of plasterboard sheets?
m × m
How long may external render require to dry before painting?
How long may external render require to dry before painting?
Up to six weeks