Bricklaying for the DIY Enthusiast

DIY enthusiasts will usually 'have a go' at most things.brickwork should be turned back which will avoid any
However, more and more, the DIY enthusiast isunsightly splashing of the brickwork. Keep the boards
being regulated in the same way as the professionalclean, not only for safety's sake, but this will also to
tradesmen. This isn't to say that they have not beenprevent mortar staining from any rain splashes.
previously bound by regulations applying toYou will also need to take care to prevent mortar
construction trades, but that a more consistentsmearing the surface of newly laid bricks. Cleaning at
application of the rules is being applied.a later stage is rarely satisfactory, often difficult and
One area which seems to be avoiding the strictest ofcan lead to expensive and time consuming remedial
regulation is the art of bricklaying, which is not alwaystreatments.
given the esteem it perhaps deserves.Also cleaning will almost certainly have a detrimental
Whilst a building or structure will remain standingeffect on the face of the bricks as many cleaning
under most circumstances, irrespective of the qualityagents will be abrasive.
of workmanship, the aesthetic qualities of goodRemember - Prevention is better than the cure.
brickwork will never be able to be appreciated unlessOne of the biggest failings of the average Do it
the workmanship is of the highest quality.Yourself bricklayer is getting the mortar mix too wet
Quality of workmanship of will always be aor, conversely, too dry. Either way this will have a
determining factor as to whether or not the finisheddetrimental effect upon the structural properties of
project will gain the esteem it should deserve.the brickwork, weakening the wall. Also if the mix is
The choice of brick or masonry block will have atoo sloppy, it is certain that when using the trowel to
large bearing on the aesthetics of projects rangingclean the excess mortar, it will be dragged across the
from a common garden wall to large housing complexface of the bricks, leaving an almost impossible to
or mall but all will depend on the quality of theclean, unsightly smear of mortar.
workmanship. In the right hands, poor or low qualityThis is a similar problem when undertaking the
bricks can be made to look much better than theypointing the mortar joints. Again, if the mix is too
really are. In the wrong hands, the quality of the bricksloppy you will have similar problems. If the mix is too
will not make any difference at all - you won't bedry, the pointing is likely too fall out in a fairly short
able to hide poor workmanship.period of time. It is important that all mortar joints
If you do feel up to having a go, there are someare fully filled to help prevent weeping. Any gaps will
basics that you will need to be aware of. Futureallow moisture to be retained in the joints and the
articles will cover some of the more practical aspectsbricks and mortar becoming subject to frost damage.
of Do it Yourself bricklaying.When building a cavity wall, it is essential that the
Do it Yourself bricklaying is not for the faint hearted.cavities are kept absolutely clean. Mortar 'snots' on
Be prepared for some hard graft - hard work.the wall ties will act as a bridge for moisture and cold
Here are some basics for the determined!between the inner and outer skin of the wall. Be
Firstly, you will need to work out how many bricks orscrupulous when installing cavity insulation bats at this
blocks are needed. Once you have done this andstage as dirty cavities increase the risk of damp and
your bricks are due to be delivered, you will need tocold bridging.
plan your site so that, wherever possible, the brickDo not lay bricks when the temperature is at or
storage areas are sited as close to the point of workbelow 4°C or when freezing may occur before
as possible. This will reduce any unnecessary handlingthe mortar has hardened. Be careful when using
which will minimise your effort and possible damage'admixes' - always carefully follow the instructions on
to the bricks reducing waste. The bricks will need tothe container.
be stored on sound, level ground and raised clear ofRemember - temperatures should be rising - not
wet, muddy areas in order to prevent contaminationfalling. Do not lay bricks if the temperature of the
and staining.mortar may fall to freezing point before it sets or if
The stored bricks must be protected from thethe bricks are frozen, or the sand contains ice
weather. So must any brickwork under construction,particles.
which should include the covering of any completedIf a frost is likely to occur before the mortar in
uncapped work. Always protect newly built brickworknewly built brickwork has set, protect it with Hessian
from rain. Remember - maintain an airspace betweenand protect the Hessian from rain with plastic
the brick face and any waterproof covering.sheeting. (Don't forget to maintain the airspace).
Wet bricks will effervesce and these precautions willIf however, the mortar becomes damaged by frost
help to reduce any likelihood of efflorescence andtake the brickwork down and rebuild.
subsequent lime blooming. (this is the 'white staining'If in you are in any doubt take the brickwork down
often seen on newer buildings).and start again.
When using scaffolding, the boards adjacent to the