Hullgard Extra Epoxy Primer is a holding primer used as a base for subsequent fairing. Offers superb adhesion to properly prepared fiberglass, steel, aluminum and woodExcellent aged recoatability and provides a perfect base for subsequent fairing with Awlfair fairing compound(s).For use above and below the waterline.Recoatable after 6 months without sandingMix ratio by volume is 10 parts D6120 to 1.5 parts D3730.