Upper Floors (Leaving Cert Construction Studies): Flashcards
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4 key requirements of upper floors
4 key requirements of upper floors
Durable, level, hard-wearing, limit sound transmission
Standard timber joist dimensions
Standard timber joist dimensions
200 x 50mm
Spacing between timber joists
Spacing between timber joists
400mm centres
Purpose of bridging in timber joists
Purpose of bridging in timber joists
Prevents movement and twisting of joists
Minimum dimensions for herringbone strutting
Minimum dimensions for herringbone strutting
At least 36 x 36mm
Advantage of herringbone strutting over solid bridging
Advantage of herringbone strutting over solid bridging
Remains effective even if joists shrink
Web material used in I joists
Web material used in I joists
Orientated strand board (OSB)
Open web joist design characteristic
Open web joist design characteristic
Triangular web structure, lightweight alternative
Key benefit of concrete/steel upper floors
Key benefit of concrete/steel upper floors
Significantly reduce noise transmission between floors
Timber frame upper joist integration
Timber frame upper joist integration
Built into interior leaf of cavity wall