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Articles - Drywalls
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Internal
Partition |
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Drywall
System
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Drywall is a kind of factory made wall panel. It replaces the
traditional brick and block dividing wall in buildings. It
involves less labour and skill requirement, and provides a
shorter construction time, better product quality and higher
flexibility for future layout changes. Full height panels are
assembled and conduits can be easily installed through its
preformed tubular spaces with minimal cutting, jointing and
patching up. Its lightweight characteristic, at about half the
weight of solid concrete block reduces the dead load imposed on
the building structure. The surface of the wall panel can be
easily finished with a thin coat of skim plaster in lieu of the
thick cement sand plaster in traditional block wall. Much less
wet trade work is involved in the assembly process and less
construction waste is generated at the end. |
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Comparison of
Precast Partitions and Brick Walls/Block Walls
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Features |
Precast Partitions |
Brick
Walls/Block Walls |
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Cost |
initial
cost is higher, but saving in plastering,
construction time and labour cost |
lower
initial cost, but higher labour cost |
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Weight |
3 to 4
times lighter than brick walls |
heavier
loads on structural frames and foundations |
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Speed of
erection |
four
times faster than brick walls |
time-consuming |
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Plastering |
only
thin plaster (10mm) is needed |
require
thick plastering to obtain smooth surface |
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Wet
trades |
not
necessary |
necessary |
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Fire
resistance |
2 times
better than brick walls |
poorer |
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Thermal
Insulation |
about 5
times better than brick walls |
poorer |
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Sound
Insulation |
Similar |
similar |
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Mechanical strength |
much
lower |
8-9
times higher than drywalls |
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Hardiwall
System
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In order to provide the solid feel and sense of security
traditionally associated with masonry walls, dry wall plus
infill can be adopted. For example, the “Hardiwall” Solid Wall
System is an internal non-load bearing wall comprising light
gauge galvanised steel stud framing, lined with fibre cement
sheets and filled with a proprietary lightweight concrete core
mix. It reduces structural design requirements due to lighter
weight wall construction. Increased floor space can be achieved
due to thinner walls. It is up to 3 times faster to install than
a masonry wall. No wet trades are involved, which eliminates
site mess on each floor, reduces site waste, and therefore waste
removal and dumping costs. It provides a very smooth flat finish
and eliminates the need for plastering to finish the wall
surface. |
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More on Drywalls |
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