Technical Terms of Stone Masonry (Part-2)

Technical Terms of Stone Masonry (Part-2)

In part-1 we discuss some technical terms of Stone Masonry. In this article we will see remaining terms in Stone Masonry.

 

12) Spalls :

• The chips of stones used to fill up the empty spaces in the stone masonry are known as the spalls or snecks.
  

  

  
  
• They are obtained as a result of reducing big blocks of stones into the regular stone blocks.

13) Quoins :

• The external corners or angles of a wall surface are called the quoins & the stones or bricks forming the quoins are known as the quoin stones or quoin bricks.
  

  

  
  
• The quoin stones are selected from large & sound stones & their beds are properly dressed.

14) Bond :

• A bond is an arrangement of layers of stones or bricks by which no continuous vertical joints are formed.
  

  

  
  
• The bond distributes the load coming on the structure evenly the formation of a vertical crack.

15) Through Stone :

• In stonework, some stones at regular intervals are placed right across the wall. Such stones are known as the through stones or throughs or bond stones.
  

  

  
  
• If the wall is considerably thick, two though stones with an overlap are provided as shown in above image.
• The area covered by the through stones should be about one-fourth to one-half of the area of the wall surface.

16) Jambs :

• The sides of the openings such as doors, windows, etc. are known as the jambs & they are constructed similar to quoins.
  

  

  
  
• The jambs may be either plain or square or splayed or rebated.

17) Reveals :

•  The exposed vertical surfaces at right angles to the door or window frames are known as the reveals.
  

  

  
  

18) Heads :

• The horizontal stones provided at the top of openings for doors, windows, etc. are known as the heads or lintels.
  

  

  
  

19) Stoolings :

• The horizontal seatings which provided to receive jambs & mullions are called the stoolings & they are formed at the ends of sills, transomes & heads.
  

  
  

  

  
  

20) Label :

• The projecting course from an arch or window head is known as a label.
  

  

  
  
• It is usually moulded & is sometimes known as a drip stone.

21) Apex :

• The coping provided at the summit of a gable wall is known as an apex or summit stone.

22) Skew Corbel :

• The corbel provided below a gable coping is known as a skew corbel.

 

 

For remaining Technical Terms of Stone Masonry click on the video given below :