Upper Floors (Leaving Cert Construction Studies): Quizzes
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10 questions from this quiz
What are the key requirements for upper floors?
What are the key requirements for upper floors?
Durable, level, hard-wearing, limit sound
What are the typical dimensions of timber joists used in upper floors?
What are the typical dimensions of timber joists used in upper floors?
200 x 50mm
At what spacing are timber joists positioned?
At what spacing are timber joists positioned?
400mm centres
What treatment do joist ends receive before installation?
What treatment do joist ends receive before installation?
Preservative treatment
What are the two main ways joists can be fitted?
What are the two main ways joists can be fitted?
Built into blockwork or joist hangers
What is the main purpose of bridging in timber floors?
What is the main purpose of bridging in timber floors?
Prevents joist movement and twisting
How must solid bridging struts be secured when arranged in a straight line?
How must solid bridging struts be secured when arranged in a straight line?
Skew-nailed
What is the minimum size for herringbone strutting?
What is the minimum size for herringbone strutting?
36 x 36mm
What material forms the web in I joists?
What material forms the web in I joists?
Orientated strand board (OSB)
What key advantage do concrete and steel floors offer over timber?
What key advantage do concrete and steel floors offer over timber?
Significantly reduce noise transmission