How does one seal a filled earthbag?
The answer to this question is actually not so simple, since various methods have been used, under various circumstances. The most frequent method that I have used is to simply leave enough exposed bag at the top to allow that extra material to be folded over when the bag is laid horizontally. The weight of the material in the bag will provide the seal, even with very fine sand. I usually laid this folded end of the bag against the previously laid bag, so that the loose end has the additional support of the other bag to lean against. Occasionally, I will need the full length of the bag for some reason, such as when I am creating an arch with two bags side by side covered by two more bags lying at right angles to the first ones. In this instance the top of the bag will need to be sewn or stapled closed, so as not to spill its contents. Sewing a double-folded hem with heavy nylon thread is the strongest method, but this is sometimes overkill if there is not much inherent pressure on the
