Exposed Brick Wall


The various techniques which have been used to simulate the  appearance of wall bonding in exposed brickwork are discussed using historic Spanish buildings dating back to the 15th century as examples.  The techniques may be divided  into two categories.  The first includes methods that sought  to regularise the dimensions of the mortar joints and the exposed face of the brick.  One method was gauging, which consisted in cutting and smoothing the face of the brick with an axe to the same width and thickness.  It was used when the brickwork was to be left visible or exposed, or where a facing was to be applied later.  Another method involved constructing the brickwork using recessed or racked  joints, and subsequently rejointing the wall with protruding  joints.  The bed joints were aligned and the cross joints were at regular distances, all joints were of the same thickness. The second category includes methods that attempted to simulate a finish using various facings.  Rendering was used to simulate a brick bond, joints were laid out in mortar over a wall rendered in red. Another method involved gauging of brickwork, painting it with red ochre, and tracing the joints with lime, while another consisted in facing a wall with units simulating a heading bond made of pressed brick.

Primary author(s): Camino Olea M S


Source: 12th IB2MaC. Twelfth Int.Brick/Block Masonry Conf. Proc.

            Madrid,25-28 June 2000,p.397-403

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