Shallow and thin cracks
![](https://reform.plufino.com/wp/wp-content/uploads/2023/05/hibi_3-300x225-1.jpg)
A small crack in the house...
"It should still be okay." Don't you think so?!
Thin, shallow cracks the width of a hair
Hair crackIt's called.
Even small hair cracks need to be repaired!
If left alone, the cracks will become even thicker and deeper.
When repairing hair cracks, a "printing" process using a primer is required.
The primer (such as micro-elastic filler or cement filler) is brushed into the crack using a hard brush such as a luster brush to repair it.
Check to see if you have any hair cracks in your home.