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How to Replace a Building Brick

Skill Level: Intermediate

Introduction

There can be a number of reasons for bricks and brickwork to become damaged and require replacing. It can be that external brickwork fixings are removed leaving unsightly plugged holes or some form of mechanical damage. Whatever the reason, we shall look at changing a single brick, easily and quickly, without the need for calling out a builder or handyman. This is not a difficult job, requiring minimal outlay for tools and materials and can be quickly completed.

The first step is to remove the brick to be replaced

The first step is to remove the brick to be replaced. Assuming this brick is surrounded by other bricks then we need to get the power drill out. Using a 5-7mm masonry drill bit, drill a series of holes in and around the mortar surrounding the brick to full drill depth. When this is complete drill a number of holes randomly into the brick itself. The more holes you drill the easier the removal of the brick will be.

 

Now we are ready to remove the offending brick

Now we are ready to remove the offending brick, this is done using the cold chisel and lump hammer to chop out the perforated brick. The drilled holes should now make the brick removal relatively easy. When the bulk of the brick is removed, a bit more care and attention can be made to squaring out and smoothing out the gap into which the replacement brick will go. Ensure that the gap is swept out and free from any loose material or debris to allow good bonding of the mortar mix to the surrounding bricks. For small jobs like this, sand and cement ready mix is available in various sizes. 

When the sand and cement is mixed to the correct consistency achieved through following the manufacturers instructions and labelling, spread a bed of the mix on the floor of the hole into which the brick will be inserted. Spread also, using the pointing trowel, a film of mortar onto the sides and top of the brick. Slot the brick gently and carefully into the gap and settle in ensuring that the gaps on all sides of the brick are the same. Additional mix can be squeezed into the joints using the pointing trowel.

All that remains now is to smooth and blend as best as possible the mortar around the face of the brick.

 

Tools you will need:
Faithfull 1.8Kg / 4Lb Fibreglass Handled Club Hammer
Faithfull 1.8Kg / 4Lb Fibreglass Handled Club Hammer
- Newsome 5 Piece 100mm Masonry Drill Bit Set
Newsome 5 Piece 100mm Masonry Drill Bit Set
- Stanley 4-18-298 3 Piece Cold Chisel Set
Stanley 4-18-298 3 Piece Cold Chisel Set
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