Compare the different types of bricks, blocks and natural stone to find the right materials for your next home improvement project.
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To cut a block diagonally from corner to corner, for a gable end, use an angle grinder along a guide line.
Use a stone saw to cut lightweight blocks by hand, following a clearly marked guide line.
Wall ties are used in cavity walls to connect the outer and inner walls, or to connect a new masonry wall to an existing one. Designs vary according to whether a tie is for use with masonry or timber. Some common examples are shown below.
For joining masonry to masonry, or masonry to timber.
For use with timber-frame cavity walls.
Used to secure a block wall to an existing wall. Ties slot into metal profile
Lightweight wall tie
Stainless steel with a plastic retaining clip designed to hold insulation sheets in place.
Excerpted from Do It Yourself Home Improvement
© Dorling Kindersley Limited 2009
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