Trench drain grating covers are often made of hot dip galvanized steel grating. 1. Normal trench grating cover, only small grating, just load bars is often shorter than cross bars. 2. U type grating cover, it is banded by two angle steel bars, 3. The grating covers into Outer angle bar frames, this kinds of trench grating can be open easily, avoid to steal. Meanwhile, we also customize other special trench drain cover according to the customer’s request. |