seen in fig4 and 5 shoring system 20 is installed to retain earth 10 when a large quantity of soil is excavated shoring system 20 includes common shoring techniques such as i beams with pilings and shotcrete substance delivery system 100 is fixedly attached to shoring system exterior surface 22 as previously discussed substance delivery system 100 can be attached to shoring system exterior surface 22 by applying an adhesive to second layer exterior side 112 and affixing second layer exterior side 112 to shoring system exterior surface 22 alternatively substance delivery system 100 can be attached to shoring system exterior surface 22 by driving nails or other similar attachment means through substance delivery system 100 and into shoring system 20 in the preferred embodiment second layer 110 is self sealing thus puncturing second layer 110 with a plurality of nails will negligibly affect second layer 39 s 110 ability to provide a waterproof barrier referring to fig3 and 6 substance delivery system 100 canvases shoring system exterior surface 22 substance delivery system 100 can be cut to any size depending on the application if a single substance delivery system 100 does not cover the desired area a plurality of panels of substance delivery system 100 are used in concert to provide waterproof protection.