Patent ID: 8833021

Claim:
An exterior wall decorative foam panel, made of foam and integrally formed into a board, and the board being substantially in a rectangular shape, and plural exterior wall decorative foams being combined and mounted onto a surface of an interior wall, and the exterior wall decorative foam panel comprising: a decorative surface, disposed on a first side of the board, and the decorative surface having a plurality of bumps and a plurality of grooves formed with an interval apart from one another; a mounting surface, disposed on a second side of the board, for attaching on the surface of the interior wall; a plurality of drainage structures, indented relative to the mounting surface and arranged adjacent to one another, and each of the plurality of drainage structures including a water collection part and a ditch part, and the water collection part having an opening that is substantially funnel shaped and has an indented cross sectional width that is substantially larger than that of the ditch part, the funnel shaped opening of the water collection part has a predetermined angle falling within a range of 30-120 degrees, and the ditch part being disposed at an opening/closing position of the water collection part, and a portion of the mounting surface without the drainage structures being a dry area, wherein the water collection part is disposed at an upper boarder of the mounting surface, wherein a total area of the water collection parts equals to 10%˜25% of the total area of the mounting surface; a first embedding slot, formed at a first short-side edge of the board; a first embedding block, formed at a second short-side edge of the board, and when two opposite pieces of the boards being assembled by the first short-side edge and the second short-side edge respectively, such that the first embedding block can be inserted into the first embedding slot; a second embedding slot, formed at a first long-side edges of the board; and a second embedding block, formed at a second long-side edge of the board, and when two opposite pieces of the boards being assembled by the first long-side edge and the second long-side edge respectively, so that the second embedding block can be inserted into the second embedding slot.