Why frog is provided in bricks?

Surya Singham

Knowledgeable Member

Can anyone tell me why frog is provided in bricks.
I do not see any frog in AAC blocks, why not provided in it.

Dnyan Deshmukh

Staff member
Frog is provided to increase the bong between mortar and brick and also the lateral load resistance.
Its like a key to bond.
This is provided as bricks are small in size so number of layers fixed in mortar are more.

The technology advancement seen in aac blockwork, now days thin bed mortar adhesives are used so it less likely to get affected.

If you use it with mortar a loading cracks can be seen over period of time on it.
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