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Over the years I have accumulated bricks found in diverse places – over 120 by 2023 – and they come in many shapes, sizes and colours (click to see larger image). The pictures below are all at the same scale, and taken against a 1" grid, to reflect the actual differences in their sizes. I try to find out what I can about them all but if you think I've got something wrong, or you can provide more information then please contact me .
Some bricks have pictures of more than one face (see final column).
To see the pictures click on the thumb nails . If you just want to look through the pictures without coming back to the table, use the arrows at the bottom of each page to see the next or previous brick
The pictures are in several groups:
Wall bricks with maker's stamp | Wall bricks with no maker's stamp | Perforated wall bricks | Paving bricks | Odds and ends |
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Brick makers often stamped the bricks with a distinctive mark, usually in the frog (depression on the top), but occasionally on the side. I have identified many makers from the marks, but a few are either illegible, or I can't find any reference to a maker using such a mark.
Click on the images to get a bigger picture (or pictures - see right hand column).
Click on the images to get a bigger picture (or pictures - see right hand column).
Modern bricks are often perforated. It reduces the weight and also reduces the energy needed to heat through the brick when firing it.
Click on the images to get a bigger picture (or pictures - see right hand column).
Paving bricks differ from wall bricks in several ways. They are normally much thinner and made of a harder material, to resist damage from damp. They have a hard wearing top surface, which is often patterned to help drainage and provide a better grip.
You can click on the images to get a bigger picture (or pictures - see right hand column).
Pictures of all of these are shown below.
Gauge work – Most brickwork uses a generous thickness of mortar to absorb any irregularity in te size of individual bricks. With the advent of bricks that could be made to close tolerances, it became possible to lay them with much thinner layers of mortar. This 'gauge work' became a status symbol, because it showed the owner could afford accurately made bricks. The joints were often pointed in white to emphasise the narrow joints. The example I have came from a demolished house that served as the offices for a local motor business. I suspect the line on it is where something, eg a post, was attached to the wall, because the white pointing does not go behind it.
Internal colour – The colour of the finished brick develops during firing, and is normally different from the colour of the un-burnt clay. In most bricks, the whole body reaches more or less the same colour, but not always. I have some broken pieces of a modern brick that is red near the surface but grey in the middle, where the temperature was not so high for so long during firing.
Miniature bricks – I found a very small brick (53x73 x145) next to a demolished wall that had been built with them. Miniature bricks of this size were sometimes made as fireplace brickettes by several stock brick makers. This was confirmed when I was offered two more (55x75x145) from a demolished fire place in a house also in Wokingham, built in 1952
Brick souvenir – I bought this tiny brick (28x40x80) at Avoncroft Museum . This one was obviously made to be sold as a souvenir, but very small bricks were also sometimes used by salesmen as samples. If you think about it, carrying round a box of full size bricks as samples would be hard work. I know from experience of taking my collection to show people after giving a talk on brickwork . I found a picture of an even smaller brick sample here.
Brick laid frog-down – Frogged bricks should be laid frog-up, so the frog fills with mortar and provides a good bond. Laying frog-down is easier and uses less mortar, but the resultant voids in the frog provide a poor bond. I found this brick with the mortar still attached, and gaps showing the void.
Distortion caused during firing – Poor control of conditions in the kiln, or poorly mixed material, can cause the bricks to bulge during firing. For normal brickwork they would be rejects, but after the war, when materials were scarce, they were often used for garden walls. I passed such a wall in Oxford Road, Wokingham many times and happened to do so when it had been knocked down, and before the material had been cleared away. One brick has swelled about 40% in the middle, and the other has bulged about an inch at the end, with the protruding material partly vitrified.
Capping bricks – A freestanding wall two bricks thick normally has bricks set on edge across its width as the top course. Using shaped bricks with sloping or curved faces helps to shed rain water and reduce possible by water soaking into the wall. These can come in various sizes
Vitrified lump – Overheating bricks while firing them can lead to burnt patches, which sometimes become vitrified (turned glassy). The picture below shows an extreme example where about half a brick has become completely vitrified.
Cast of a frog – I was asked to help identify a 'very worn brick' found in a garden in Pinkneys Greem. It turned out not to be a brick but a lump of mortar that had teken the imprint of the frog og the brick below it. This included a mirror image of the maker's mark. Quite a bit of the red surface of what was presumably a soft brick had stuck to the mortar, giving the impression that it might be a brick (covered in mortar).
Click on the images to enlarge.
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