Hanson Premix is one of the UK’s most
popular and enduring ready-mixed concrete
and mortar brands with a reputation built on
over 50 years of quality and service.
Our top quality mortars are delivered ready-
to-use in our distinctive blue, red and grey
vehicles from a network of 40 plants
strategically located throughout the UK.
Quality-controlled batching ensures consistent colour and
strength and our mortars remain usable for up to two working
days when stored in the covered tubs.
Plastic tubs are provided for delivery to allow the material to
be moved easily around sites by forklift or crane.
Using Premix mortars makes Premix mortars are
good economic sense for projects manufactured with high quality
of all sizes. You can save on the sands, cements and admixtures to
costs of mixing equipment and meet the requirements of BS EN
labour, eliminate messy site 998-2. Prepared under strictly
mixing and avoid the loss controlled conditions, each batch
of sand and cement through is consistent in colour, workability
wastage or theft. and strength.
In addition, construction can start The sand and cement is
before water and electricity accurately batched by weight and
services are installed and site the admixtures and water are
clearance is also made easier. precisely metered, eliminating the
It’s the simplest way of ensuring inaccuracies of site mixing. Both
top quality mortars are available air entraining and the cement
when you need them, with no control-set admixtures comply
expensive set-up costs. with BS 4887 (BS EN 934-3
Hanson is a member of the
A comprehensive Our mortars are discharged on Mortar Industry Association, and
range site into 0.25 cubic metre tubs. our Premix mortars are
produced in accordance with the
Our plants can produce mortars
association’s Quality Scheme for
for all types of masonry Coloured mortars Factory Produced Mortar.
construction, including lime sand
A wide range of coloured mortars
mortar for natural stonework.
are available. They can be used to Our trained staff supervise all
match or contrast with most bricks aspects of manufacture and we
They are recommended for use
and are suitable for both modern also provide technical advice to
with a wide variety of dense
and traditional buildings. customers and specifiers. Regular
aggregate or lightweight concrete
site visits are carried out to check
blocks, facing units and bricks
Accurate batching ensures colour material quality and random
including the extensive London,
consistency, while the pigments, samples are taken and tested
Kempston and Butterley brick
which are stable and permanent under controlled laboratory
ranges from Hanson Building
and guaranteed by the conditions.
manufacturers, comply with the
requirements of BS EN 12878 :
When used in properly
1999 and have no adverse effect
constructed masonry, Premix
on the mortar’s performance. Your
mortars set in the same way as
Premix sales contact will
site-mixed mortars and with
provide samples to assist with
equivalent performance. They are
colour selection and advise on the
suitable for all forms of
construction and all sand/cement
designations as specified in BS
4721 are available, as are the new
mortar classes to BS EN 998-2.
Premix mortars 3
After the initial set begins,
Premix mortars should not be
used or remixed with water. Air entrainment produces the
Reduced workability through desired plasticity, while eliminating
evaporation may be restored by the problems of bleeding often
adding small amounts of water on associated with high water
the spot board and thorough content. Where relevant, the range
hand-mixing. Further admixtures in which the air content falls will
should never be added. be declared, as specified by BS
Strength and Frost resistance
durability The frost resistance of masonry
Strict quality control guarantees depends on the specification of
that the minimum cube strengths suitable materials. It is also
specified in BS 4721 or BS EN important that the composition of
Retardation and 998-2 are exceeded, while
variability and standard deviation
the mortar is to a consistently
high standard, good workmanship
setting times are reduced compared to site- and site practice are adopted and
Premix mortars contain a mixed mortars. Details of typical the correct joint profile is achieved
cement control-set admixture and characteristic strengths of (see page 5).
will remain usable, when stored in Premix mortars are available
the covered tub, for up to two on request. The entrained air in Premix
working days. When used in mortars increases resistance to
masonry, they set like site mixed When specified correctly and used frost attack in the hardened state
mortar and with equivalent in accordance with the relevant and improves long term
performance. codes of practice, our mortars last freeze/thaw durability.
as long as the structure. The
The normal setting time depends admixtures are non-aggressive
on sufficient suction taking place and cause no corrosion of Rain penetration
from the mortar to the brick or embedded metal such as Resistance to rain penetration is
block. If the unit is saturated, or brickwork ties. important to the durability of
worse still frozen, the bond is masonry and we recommend that
impaired and hydration of the However, all mortars containing the relevant codes of practice are
cement will not take place for the Portland cements may contribute always followed.
full period of retardation to corrosion of zinc or aluminium
Consideration should be given to components in exposed,
continually wet conditions.
local site conditions and the
Premix mortars are non-
length of time that unpropped
combustible as defined in BS 476
walls are vulnerable to collapse.
Parts 4 and 8.
Independent advice is available
from the Mortar Industry
4 Premix mortars
Exposure and Choice of joint
mortar designation profile
When designing and detailing a The type of joint profile must be
building, it is essential that the suitable for the degree of
masonry materials are suitable for exposure. There are four pointing
the expected exposure conditions. profiles in general use. Weather-struck Bucket-handle
The general degree of exposure Weather-struck: Satisfactory for
of the site according to all degrees of exposure. The joint
geographical location can be is ironed, closing the surface of
determined from BS 5628 Part 3. the mortar, and inclined to the
Consideration should be given to lower edge to shed water. The
local conditions, such as the ironing produces a good bond
predominant wind direction, the between mortar and units. Good
exposure of individual workmanship is required to obtain
components in the building and a uniform colour and texture. and any perforations. Gives
the likelihood of frost or sulphate excellent uniformity of colour and
attack. Bucket-handle: Satisfactory for shade.
all degrees of exposure. The
Premix mortars are available in mortar surface is lightly ironed to Note that the various types of
all four traditional sand/cement obtain a close texture, again joint profile will produce a
mortar designations in general resulting in a good bond between different appearance in finished
use and the new BS EN 998-2 mortar and units. Care is needed brickwork, particularly when
mortar classes. Although the to obtain uniform colour and coloured mortars are used.
choice of mortar designation can texture of joints. Over tooling can
be complex, the general suitability affect the surface colour of the
for mortars to be used in jointing mortar.
exposed to different weather practice
conditions is indicated right. Flush: Suitable for moderate and All masonry construction demands
sheltered exposure conditions. good workmanship. It is
When masonry is to be The joint is not ironed, resulting in recommended that units are
constructed in exposed conditions, an open texture. Good bedded and pointed in one
it is essential that the strength workmanship is necessary for a operation to maximise the
and other physical properties of good bond between mortar and durability of the joints. Horizontal
both mortar and the units or units, but produces a uniform bed joints should never be
background are compatible – see colour texture. furrowed (where the centre of the
BS 5628 and BS 5262 bed is removed or left unfilled).
respectively. Raked: Suitable for sheltered and
some moderately exposed Tipping or buttering vertical edges
conditions only. A special tool of the bricks results in failure to
such as a chariot should be used fill the perpend-joint. All perpend
to rake the joint to a consistent faces of bricks should be fully
depth, never more than half- buttered before placing. Newly-
distance between the unit face laid brickwork, particularly the tops
Premix mortars 5
Low temperatures reduce the Clothes impregnated with wet
setting rate of any mortar and mortar should be taken off and
increase the length of time that the skin washed thoroughly. At the
unpropped walls are vulnerable to time of contact and immediately
collapse. after, only irritation may be felt.
The alkali may take several hours
Any frozen crust on mortars left in to be absorbed into the deep
unprotected tubs should be tissues and will then give rise to
discarded. The unfrozen mortar rawness and blisters.
may be used provided the mortar
temperature is no lower than 4°C, If irritation persists after washing,
the ambient air temperature is seek medical attention.
suitable and the bricks or blocks
are not saturated or frosted. Do not kneel or sit on wet mortar
Independent advice is available as harmful contact can occur
from the Mortar Industry through saturated clothing.
of partially completed walls, Association.
should be suitably protected from Protective clothing should be
worn, particularly on the arms,
adverse weather. Unprotected
tops of walls that become
Health and safety hands, legs and feet, for example
All building mortars are abrasive long-sleeved clothing, full-length
saturated may cause unsightly
and alkaline, with a typical pH trousers and impervious gloves
efflorescence in the masonry.
value of 12 when wet. Contact and boots.
with wet cement and lime mixes
Bricks and blocks should be
such as mortar can cause burns A full 0.25 cubic metre plastic tub
stacked on pallets and never
and skin diseases including: of mortar weighs approximately
directly on the ground. Stockpiles
I Cement burns that develop 450kg. When tubs are to be
should be protected from the
slowly and, if exposure is placed on scaffold boards, advice
weather and never allowed to
prolonged, may continue to should be sought from the
become saturated or frozen.
develop even after washing. scaffolding contractor as to the
I Irritant contact dermatitis, strength and suitability of the
Winter working caused by the combination of scaffolding.
Premix mortars are air wetness, alkalinity and
entrained and therefore more abrasiveness of the mixture. A COSHH health and safety data
resistant to frost attack in the I Allergic contact dermatitis, sheet is available on request and
hardened state but they should be caused by individual sensitivity one can be sent with the initial
used in accordance with Section to the chromium compounds delivery to each new site.
5 of BS 8000-3, which prohibits which may occur in cement.
bricklaying at temperatures below Hazard label data: This product is
3°C and falling. If your eyes, or patches of skin, not classified as dangerous for
come into contact with concrete, supply in the UK.
When temperatures are expected mortar, cement slurry or residue,
to fall below freezing, regardless wash immediately and thoroughly
of temperature at the time of with clean water.
laying, it is essential that newly-
built masonry is suitably protected.
6 Premix mortars
Prevent entry into drains and One cubic metre of Premix
watercourses. mortar is sufficient to lay
approximately 1,500 Fletton-type
frogged bricks, or about 1,000
Test panels blocks with a nominal size of
Before placing an order, especially 450mm x 225mm x 100mm. In
for coloured mortar, it is practice these figures may vary
recommended that a site test widely depending on unit size,
panel is constructed to ensure depth of frog, number and size of
compatibility and colour match perforations, joint thickness and
with the specified bricks and the amount of wastage. Your local
blocks. Adequate time should be sales contact will offer advice.
allowed for the panel to dry out
and it should be protected from
the weather. Delivery
Mortar is discharged into our own
Your local sales contact will purpose-built 0.25 cubic metre
arrange for samples to be calibrated tubs (four tubs per
delivered. These can be ready-to- cubic metre). The tubs should be
use, or dry for addition of cement positioned at a central, level point
and water on site. with adequate access for a truck
mixer or similar size vehicle. This
will allow easy distribution
Ordering throughout the site.
Premix mortars can be
To avoid contamination and the
ordered from your local sales
resultant loss of retardation, it is
office listed overleaf and on your
essential that tubs are emptied
contract quotation. Please give the
and thoroughly cleaned before
job reference or quote number.
fresh mortar is delivered.
We recommend at least two full
working days notice for delivery of
Fresh deliveries of mortar will be
the empty tubs and call-off of
covered to provide protection from
your initial delivery.
the weather and to avoid loss of
moisture from the mortar.
Subsequent orders should be
placed before 3pm for delivery the
In extreme weather conditions it is
following day. We recommend you
advisable that the customer
order enough mortar for use the
provides additional protection.
next morning, or to last until your
next delivery arrives.
Premix – the choice in mortars
Premix mortars 7
Premix – the choice in mortars
sales and enquiries
North Wales/north west England
0845 602 1010
east and west midlands/
0845 845 6688
0845 120 5750
South east/home counties
0845 758 5646/5634
0845 120 6312
west Berks/west Hants
0845 120 6313
Need help or advice with
any of our products?
Visit our website at www.hanson.biz
Email us at email@example.com