Does the surface of concrete lose powder when rubbed? Don’t take it lightly! There are two root causes, those who work in engineering must

The surface of the concrete is powdery, and when rubbed with hands, it falls off, and when rubbed with feet, it becomes dusty.

Some people don’t take it seriously and think that sweeping is enough.

They wait until the first party inspects the house and draws a mark on the wall with the key, and then wait until the floor is finished and the epoxy peels off before they think about finding the cause.

It’s too late.

Fixing Socket

.

How to treat the concrete base before laying acid resistant bricks? Take these steps well to prevent later hollowing and leakage

Many anti-corrosion projects encounter problems such as brick detachment and acid leakage in gaps.

Metal Rebar Caps

In addition to improper selection of bricks and mortar, the most easily overlooked issue is inadequate treatment of the concrete base.

Standardizing grassroots construction is the foundation for the long-term use of acid resistant bricks.

The detailed steps are as follows:.