The Planter Brick

The Planter Brick is designed by Rael San Fratello Architects in 2009 and was exhibited in the Exit Art Vertical Gardens exhibit.

The planter brick wall is designed to be a combination of traditional masonry units combined with units that can hold plants and vegetation. The plants matched with the bricks require little, if any, soil, but they do need water and nutrients.

The planter bricks have the potential to counter the heat island effect in big cities through evapotranspiration and pollution conversion and by the light, reflective color of the bricks. Additionally, edible plants such as rosemary and other fragrant herbs with shallow root systems may be planted in the bricks and accessed through openings in the wall. The plants in the bricks will help mediate the temperature of the microclimate surrounding the building, buffer sound and filter the air. The plants held in the planter bricks will be fed water and nutrients through drip irrigation lines that are built into the cavity of the masonry wall.

The indentations in the bricks that allow for irrigation act much like weep holes allowing  water and nutrient to move through a network of continuous drip irrigation tubes that run within the cavity of  the masonry wall. The water for the irrigation may be pumped up from below or gravity fed from a cistern or water collection device on the roof.

The planter bricks are made by direct digital manufacturing and rapid prototyping technology. Ceramic particles are printed and held together using an organic binder and then fired in a kiln just like traditional bricks.  The bricks may be assembled in a load bearing cavity wall condition or installed as a  traditional masonry curtain wall would be on a steel or concrete frame building and can be  installed new or retrofitted.

The planter bricks are 3D printed using direct digital manufacturing . The bricks are modeled in a 3D software application and the digital file is sent directly to the 3D printer for  manufacture. This means a very diverse and infinitely unique selection of bricks can be manufactured based on the clients or designers desires for a particular application. The bricks are manufactured with clay instead of more ephemeral powders that are typically used for rapid prototyping . The 3d clay prints are then bisque fired at cone 5 and glazed to make them waterproof.



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