1 . Stretcher :
- Stretcher is the longer face of the brick ( i.e. 19 cm × 9 cm )
- A course of bricks in which all the bricks are laid as stretches on facing is known as a stretcher course or stretching course
2. Header :
- Header is the shorter face of the brick ( i.e. 9 cm × 9 cm ) . A course of bricks in which all the bricks are laid as headers on the facing is known as header course or heading course .
3. Lap :
- Lap is the horizontal distance between the vertical joints of successive bricks courses
4 . Prepand :
- Perpend is an imaginary vertical line which includes the vertical joint separating two adjoining brick
5 . Bed :
- Bed is the lower surface ( 19 cm × 9 cm ) of the brick when laid flat
6 . Closer : closer may be of various types
- closer it is a portion of a bricks with the cut made longitudinally, and is used to close up bond at the end of course
- it helps in preventing the joints of successive sources ( higher or lower ) to cone iin a vertical line
6 . Queen - closer :
- Queen - closer it is a portion of bricks obtained by cutting A brick lengthwise into two portions .thus it is a brick which is half as wide as the full brick
- it also known as queen queen closer half
- if a queen closer is broken into two pieces , it is known aa queen closer quarter , such a closer is thus a brick piece which is one quarter of the brick size .
8 Bevelled close :
- it is a special form of a king closer in which the whole length of the brick ( i .e . stretcher face ) is bevelled in such a way that half width is maontmaint at one end and full width is maintained at the other
9 . king closer :
- it is the portion of a brick which is such cut that widthof one its end is half that of a full brick while the width at the other end is equal to the full width
- it is obtained by cutting the triangular pices betwee the center of one end and the centre of the other side
- it has half - header and half - stretcher face
10 mitred closer :
- mitred closerit is a portion of a brick whoes one end is cut splayed or mitred for full width
- Angle of splay may very form 45° to 60°
- one longer face of the mitred closer is of full length of the brick while the other face is smaller in length
11 . Bat :
- it is the portion of the brick cut acress the width
- A bat is smaller in length then the full brick
- if length of the bat is equal to half the length of the original brick, it is known as half bat
- A three quarter - bat is the one having its length equal to three quarters of the length of a full brick
- if bat has its width bevelled . it is known is bevelled bat
12. Arris :
- it is the edge of a brick
13 . bull Nose :
- it is a special moulded bricks with one edge rounded or with two edge rounded
- these are used in copings or in such positions where rounded corners are perferred to sharp arises
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