Flush Mortar Joint | Working, Effect, Advantages & Disadvantages of Flush Mortar Joint

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In this article, we will discuss the flush mortar joints.


  1. Introduction  

The brick mortar joints are the space between the bricks blocks that are prepared by mortar or a grout mixture with bricks.

The type of mortar joint should be chosen carefully because the masonry construction will control the whole aesthetic beauty of the surface. The various mortar joint patterns not only give different amazing looks but also provide watertight properties and keep the structural integrity of free-standing walls.

Flush Mortar Joints


  2. Types of Brick Mortar Joints  

Here are the most common types of mortar joints utilized in brick masonry construction.

a. Struck Joint

b. Concave Joint

c. Weathered Joint

d. Raked Joint

e. V Joint

f. Flush Joint

g. Extruded Joint

As you already reader topic, today we will only discuss flush mortar joints.


  3. Flush joints  

Flush joints mainly are utilized in brick wall construction when the surface needs plastering and final finishing. After the plastering and finishing the flush joints will be concealed. The construction of a flush joint needs huge time and work to prepare it watertight and water-resistant.

If the flush joints are made such that it is kept off the brick, there are high chances for water to gather on its top. Here, the mortar is not compressed into the joint so it will be hard to make a consistent bond with the brick is very hard.


  4. Working method  

In this joint, the mortar is used and levelled in a smooth way so that the mortar is flush with the brickwork.


  5. Effect  

These types of joints are usually utilized with colouring on colouring joint mortars. The even surface that is desired is focused this way.


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  6. Uses of Flush Mortar Joints  

a. It is done where the plastering or finishing is to be done.

b. It is used to construct the brick wall.



  7. Advantages of Flush Mortar Joints  

a. It is the easiest method.

b. It provides a smooth brick wall surface.

c. It doesn’t enable dust, dirt to lodge over it.

d. it is extremely sturdy.


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  8. Disadvantages of Flush Mortar Joints  

1. It doesn’t provide good looks.

2. Chance of water leakage.

3. Consumes more times to make it watertight.



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