Abstract: A web (10) for an insulated concrete form (20) comprises a pair of opposed web elements (12) and a pair of connectors (14). The web elements (12) and the connectors (14) are provided with mutually interengaging formations, such as a non-circular tube (12.1) and V-shaped hook formations (14.1), whereby the web element (12) and the connectors (14) are rigidly connected together in a plane to form a stable structure.
Abstract: A seedling container comprises a body member which is provided with a plurality of longitudinal cavities for seedlings. Each cavity is provided with a plurality of circumferentially extending barriers spaced along the length of the cavity. Each barrier preferably comprises a V-shaped recess in the cavity surface to trap the tip of a root therein.