What Are The Different Masonry Joint Styles & Types

What Are The Different Masonry Joint Styles & Types

Before you choose which type of joint is most suitable, consider the different types and their properties. Here are the various mortar joints to consider.

Concave Joint

This is one of the most popular types of mortar joint due to its huge resistance to rainwater penetration and tight sealing properties. 













V Joint

Called the “V” joint due to its "V" shape. This mortar joint doesn’t provide any form of protection from water penetration and can serve as the entry point for water if the joint is not compressed properly. 










Struck Joint

The struck joint is most suitable for internal walls, not external. Its top edge is finished flash with a brick edge and the bottom edge recessed. Due to the slope of the joint, it pulls in water and allows it to settle on the brick making for poor water resistance capability. 












Weather Joint

Similar to the struck joint, but its top edge is recessed instead of the bottom edge. The slop allows water to easily shed from the joint.










Raked Joint
Another common type of mortar joint, the raked joint is pressed 2 mm inwards leaving a ledge that can allow rain and snow to sit on top of it. The raked joint is suitable for interior walls. 












Flush Joint

This mortar joint is ideal in the construction of brick walls where the surface demands plastering and final finishing touches which is why these joints are ultimately hidden.









Extruded Joint

This joint doesn’t require any tooling. The mortar naturally squashes out and forms an extrusion amid the bricks.














Beaded Joint

Due to its exposed ledges, this joint is not recommended for exterior building walls. These are commonly seen in stone foundation walls acting as an architectural feature.







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