Avoids that fine coal particles and clinker stored to open sky are dragged by the wind, generating problems of contamination by air.
Maintains the quality of stored clinker without causing modification of its quality.
Avoids that the stored material retains the water coming from rains.
Because it does not have air intake to the coal the ignition problems are avoided when the characteristics external physical-chemistries and conditions favor it.

Promotes the formation of small grains during the generation of coal dust in the transfer points in the transporting bands.
Diminishes or eliminates the generation of coal dust in other transfer points.
Maintains the quality of the protected solid.

Avoids that the fine coal particles are dispersed during the loading process and unloads in silos, hoppers, or another equivalent system.
Maintains the quality of solids treated without causing modification of its quality.
Product of easy handling, metering and control.