London Brick - Masonryfirst.com

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Technical Info (cont.)
Coping with dpc and 45mm overhang for London brickwork.
Concrete coping can be used as an alternative.
(N.B. All brickwork copings should be frost resistant quality)
Detailing
1
Protect work under
construction from weather.
2
Batch materials in
measured volumes...
3
...not shovelfuls.
• Protect London free-standing
walls, retaining walls,
chimneys and external pillars
with an overhanging coping
shedding water at least 45mm
from face of brickwork.
• Protect earth face of retaining
walls with a continuous
waterproof membrane.
4 Fill all joints. 5
7
Press and rub exposed
face of mortar joint with
the rounded edge of a
piece of wood.
Avoid over tapping
new-laid bricks.
Bricklaying
• Fill all joints.
• Avoid over tapping
new-laid bricks.
• Avoid adjusting bricks after
initial suction effect on mortar.
• Avoid mortar staining on
exposed brick face – remove
immediately when it occurs.
• Press and rub exposed face
of mortar joint with rounded
edge of a piece of wood or
pointing tool.
6
Avoid mortar stains.
• Protect work under
construction from weather,
protect newly completed work
from overnight frosts.
• Do not build in freezing
conditions.
• Lay London Bricks frog
upwards for maximum
strength and weight: when
neither is required, as in most
low-rise dwellings, bricks may
be laid frog down.
• Painting directly on to
external London walls is
generally not recommended.
For further advice contact our
Product Services Department
on 08706 097092.
Mortars
• Use clean sharp sand such
as BS 1200 grade S.
• Batch materials in measured
volumes, not shovelfuls.
• Machine mixing is generally
better than hand mixing.
• Only add plasticizers,
colouring pigments etc,
strictly to manufacturer’s
instructions.
• Discard unused mortar more
than two hours old.
Protect earth face of
retaining walls with a
continuous membrane.