Seattle | Washington | Our Products - Crushed Oyster Shells
Product Options. Our crushed oyster shellis supplied as either 3" minus, 1" minus, 3/8"minus, and 1" clean. 3" minus is Ideal as a base layer for driveways prior to compaction when avoiding the use of a gravel sub-layer, or as mulch for garden beds when larger shell fragments are preferred. 1" minus is our most popular aggregate - great for ...