TILES

Tiles are than slabs made of clay burnt in kiln. They are used for flooring walling and drainage purposes. Tiles  require more care in manufacture than bricks ,as from their greater delicacy they are more liable to deformation. The clay should be much stronger than that of bricks.

Classification: The following are the various types of tiles according to the purpose they serve:

Roofing tiles: There are various types of roofing tiles of which plain tiles, pot tiles and pan tiles are most common in use.

ROOFING TILES

Plain tiles: They are hand maked  tiles from clay. They are glazed to prevent the absorption of water. They are provided with to small projections beneath the top edge to facilitate fixing against roof battens.

ROOFING TILES

Pot tiles : They are mode by hand on a potter’s wheel. They are hollow, half round and tapering in shape. The length varies  from 10’’ to 12’’ on and the diameier  is generally kept 6’’ on one side and 5’’ on and the otherbside. The thickness is generallyn 3’’/8 ‘’ on the wheel., the tiles is first made into a tapering tube just  before taking the tile off the wheel, the potter makes to vertical cujs. One at each end of the diameter. These cuts are intended to assist in easily cutting the tube into two pot tiles after the tube has been burnt .

Pan tiles : pan tiles is similar to the pot tiles in shape and differs from it only in being shorter heavier and less curved and having equal width at both ends. They are first moulded flat. Then curved and are provided with a small projection beneath their top edge which rests against horizontal battens and prevents the tiles from sliding down the slop of the roof.

Flat tiles: they very in size from 6”*6’’*1/2’’ to 8’’*8’’*1/2’’. The larger variety called paving tiles is used on floors while tiles.

Ridge tiles : this is meant to serve a specific purpose in roofing shown in fig.