L Type Wasted Water Blocking Wall On SignBoard

摘要

The present invention relates to an auxiliary structure for preventing or reducing the pollution of the outdoor signboard, and prevents pollutants such as dust accumulated on the top of the signboard (1) from being dissolved in water due to rain or snow condensation and flowing down to the front surface of the signboard. The L-type barrier wall (2) is characterized in that the front side attached to the front and left and right sides of the sign.;Signboard, water barrier, drip tray, barrier wall, pollution prevention, L type