Purpose
ensures uniform loading over ground
eliminates capillary void for damp
enables fill to required level
clean dry and level working surface
Includes…
brick/tile, clinker, gravel, quarry
waste, shale
Must not include…
plaster, timber, thermal block
Bricks generally conform to very standard dimensions of…
Length – 225mm inc 10mm horizontal joint
Height – 75mm inc 10mm vertical joint
Width – 100mm
However, some bricks are of a different size. During the metric-imperial change over 300mm bricks were produced yet it was discovered they proved difficult to practically use for builders.
A – Stretcher
B – Header
C – [...]
