How to choose and identify the quality of styrofoam? Styrofoam or cement for caulking?

Foam glueis a kind of glue with foaming and bonding properties. It is mainly used for filling the side seams of building doors and windows, component expansion joints and holes. , sealing and bonding …

Foam glueis a kind of glue with foaming and bonding properties. It is mainly used for filling the side seams of building doors and windows, component expansion joints and holes. , sealing and bonding …