Floors

Question 1

What is the typical build up of a solid floor?

Answer 1

screed
insulation
damp proof membrane
blinding
hardcore

Question 2

What are the different types of ground floor ?

Answer 2

ground supported concrete slabs or suspended.

Question 3

what is the minimum thickness of a floor slab?

Answer 3

100mm

Question 4

What should be considered under resistance to contaminants from the ground?

Answer 4

• Methanne

- Radon

Question 5

What is the typical build up of a suspended timber floor?

Answer 5

Floor boards
insulation
joists
wall plate
sleeper walls with DPC
150mm ventilated air void between the timber joists and sub floor
sub floor covered with oversight of concrete to prevent plat growth

Question 6

What is the spacing for lateral restraints?

Answer 6

2 M fixed square to joists

Question 7

What are the hole limitations for notches or hols for services?

Answer 7

Max diameter = 0.25 x joist depth

Question 8

What is the typical built up of a composite floor?

Answer 8

in-situ concrete
steel mesh
galvanised profiled steel deck