What kind of special jobs are available at the construction site?
Xps full name extruded polystyrene foam board with polystyrene foam board (EPS) compared to the extruded board insulation effect is better. Compared with polyurethane, phenolic resin, extruded board insulation effect to be almost
62-1 meet the requirements 2 trench may not be backfill with water, backfill should be dense Section 4
