public interface ISealedCover : ICover| CoverSlotWidth | Width of the slot that is created to handle water levels above the cover. |
| ExpansionCoefficient |
The surface area of normal, spilling and displaceable covers expand to
this coefficient times the area at the start of the cover.
(Inherited from ICover) |
| WaterLevelStart |
Water level where cover starts
(Inherited from ICover) |