Walls

Building Screen-block Walls

A screen-block wall should not span more than 3m without intermediate pillar supports. You cannot cut screen blocks nor the pilasters, so check the exact dimensions when planning. Blocks normally measure 300 x 300 x 90mm thick, and pilasters 195 X 195 x 200mm high including joints. Foundations For a low wall, foundations should consist…

Brickwork

Pointing Repairs

The mortar between bricks may break away and become uneven. The visible edge is called pointing and keeps a wall both weather-resistant and attractive. If pointing is necessary, use a narrow cold chisel to chop out the old pointing to a depth of about 10 mm (2/5 in). Be careful not to damage the bricks…

Building A Brick Wall
Brickwork

Building A Brick Wall

To bond bricks together, spread the mortar over the foundation with a bricklayer’s trowel, and lay a brick on top, the frog (hollowed-out part) uppermost. Many amateurs and, indeed, some tradesmen prefer to lay with the frog downwards because, they say, the mortar will squeeze into the hollow part and obviate the risk of tilting….