Different kinds of tiles and properties of good tiles

Building material
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In this article Learn about: Tiles,different kinds of tiles,roofing tiles,plain tiles,pan tiles,pot tiles,allahabad tiles,mangalore tiles,concrete roofing tiles,flooring tiles or paying tiles,drain tiles,Properties of good tiles


Tiles are thin slabs used for covering roofs, for flooring or for making drains and may be formed of :

(a) Brick-earth burnt in kilns and (b) Concrete.

Brick-earth used for manufacturing brick tiles is more pure and is prepared more thoroughly than the one used for manufacturing bricks. Tiles, being thinner requires careful burning.


 Mainly there are three kinds of tiles :

(i) roofing tiles, (ii) flooring tiles or paving tiles, and (iii) drain tiles. Important varieties of each one of these are discussed below:

 1. Roofing tiles.

These may be flat like slates or may be made to different shapes. Some of the common varieties are discussed below

plain tiles
plain tiles

 2.  Plain tiles.

(Fig. 3.1.) measure about 25 cm × 15 cm to 28 cm × 18 cm and from 10 mm to 17 mm thick. These may have a continuous projection at one end or two small projecting nibs (as shown). These nibs should not be less than 2 cm wide cm and 1 cm deep. Camber should be between 5 mm and 10 mm for hand-made tiles. The camber could be reduced for machine-made tiles.


  3. Pan tiles.

pan tiles

The tiles, as shown in Fig. 3.2. are curved in section. These are 33 cm to 38 cm long and 23 cm to 28 cm wide. Implements needed for its moulding are a mould, a horse, a bow and a strike (Figs. 3.3 to 3.6). for moulding pan tiles a ball of prepared clay is pressed well to fill all corners of the mould. All surplus earth is cut with the bow and removed. Strike is then passed over the wet top of tile in mould. It is done so many times as to render the top surface of tiles smooth. The tile is then carefully removed and placed over an already burnt tile to dry. After the tile has dried a little it is then placed on the curved top of horse and pressed with hand to make it curved. After another five to six hours the raw tile is once again shaped on the horse and its edges trimmed with a sharp knife. To stop the clay from sticking to the mould or horse their top is sprinkled over with ash every time before use.

moulds of pan tiles


Pot tiles
Allahabad tiles

               4. Pot tiles.

These are semicircular in section and taper along the length (Fig. 3.7.). Diameter at larger end is about 23 cm and at the smaller end it is about 20cm. Rows of these tiles are laid with the concave side up. Then rows of same tiles with convex sides up are laid to cover the adjoining edges of every pair of the previously laid tiles.

5. Allahabad tiles.

These consist of two sets of tiles. the lower ones are flat tiles with upturned sides. End widths reduce from 27 cm to 23 cm and the length is about 38 cm. The over tile is half round in section and tapers from 16.5 cm to 12 cm in diameter. Tapper allows the tile in the next course to fit in (Fig. 3.8). Half round tiles are moulded on a potter’s wheel as a round tapering cylindrical tile. Two longitudinal cuts are given to the cylinder while still not dry. With this it is easy to break it into two semicircular tiles after burning.


6. Mangalore tiles.

Mangalore tiles

These are flat pattern tiles with suitable key projection. About 16 tiles are required to cover one square metre of roof. Arrangement of Mangalore tiles on a slopping roof is shown in Fig. 3.9.

For details refer to IS : 654-1972.

7.  Concrete roofing tiles.

Tiles of any shape, size or colour could be made with cement concrete. These are more strong, durable and weather resistant.

8.  Flooring tiles or Paying tiles.

These are usually thicker than roofing tiles and vary from 15 mm to 30 mm in thickness. Their shapes are square, hexagonal or of any other geometrical pattern and may be coloured, if desired.

Depending on properties of clay flooring tiles are classified as class 1, class 2 and class 3 tiles. Maximum water absorption percentages in case of these are 10, 19 and 24 respectively. Minimum average flexural strength kg/cm width in respect of these is 6, 3.5 and 2.5 respectively.

For details refer to IS : 1478-1669.

9.  Drain tiles.

These are curved tiles made in various shapes and sizes to suit the work in which they are to be used. Tiles to be used in the construction of sewage carrying drains should be glazed.

Properties of good tiles.

Tiles should have the following properties of good tiles :

(i)        It should be of a regular shape and size.

(ii)       It should be free from twists, cracks or flaws.

(iii)     It should be well burnt and have uniform colour.

(iv)      It should give a clear ringing sound when struck.

(v)       It should be sound and hard.

(vi)      Its broken surface should show an even and compact structure.

Different kinds of tiles and properties of good tiles | Building material
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Different kinds of tiles and properties of good tiles | Building material
Tiles,different kinds of tiles,roofing tiles,plain tiles,pan tiles,pot ,allahabad,mangalore,concrete, roofing,flooring,drain tiles,Properties of good tiles
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