Ground Floors (Leaving Cert Construction Studies): Flashcards
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Six essential requirements for ground floors
Six essential requirements for ground floors
Resist damp, prevent heat loss, hard-wearing, level, durable, maintenance-free
Capillary action definition
Capillary action definition
Liquids flow through narrow spaces without being affected by gravity
Solid floor layers (bottom to top)
Solid floor layers (bottom to top)
Hardcore, blinding, radon barrier/DPM, insulation, subfloor, screed
Minimum thickness of hardcore layer
Minimum thickness of hardcore layer
150mm
Depth of blinding layer
Depth of blinding layer
40mm sand layer
Radon barrier/DPM gauge specification
Radon barrier/DPM gauge specification
gauge polythene
Min. insulation thickness for ground floors (current regs)
Min. insulation thickness for ground floors (current regs)
100mm rigid insulation
Joist dimensions for suspended timber floors
Joist dimensions for suspended timber floors
200 x 50mm timber
Joist spacing (centres)
Joist spacing (centres)
400mm centres
Screed mix ratio (cement to sand)
Screed mix ratio (cement to sand)
1:3 cement to dry sand