
The War on Dampness: Upgrading Old Walls with AAC Blocks
In the humid climate of Deulia and Kolaghat, many old houses suffer from “Nona” (saline dampness). Traditional red bricks act like a sponge, pulling moisture
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In the humid climate of Deulia and Kolaghat, many old houses suffer from “Nona” (saline dampness). Traditional red bricks act like a sponge, pulling moisture

The “Aging” Problem Buildings, like people, age. Over 20–30 years, concrete can lose its strength, and old mild-steel rods can thin out due to rust.

Large spans, such as those in industrial sheds or rooftop extensions, are particularly vulnerable to wind and seismic forces. If you use heavy iron angles,

In many earthquakes, the “skeleton” (pillars) of the building stays up, but the “skin” (brick walls) falls out, causing injuries. Traditional red bricks are heavy

In many modern homes in Kolaghat and Deulia, the ground floor is left open for parking (stilt floor), while the upper floors have heavy walls.

Imagine a pencil and a copper wire. If you apply sudden pressure to a pencil, it snaps (strength without ductility). If you apply it to