Mar-flex Waterproofing and Building Products is known for its commitment to the environment (through the Mar-flex GREEN initiative), American-made manufacturing, and quality products that are durable and reliable. Mar-flex’s flagship drainage board, the ShockWave drainage board, is one of the most effective boards in the industry, and the only 100% green board in the entire marketplace. ShockWave soaks up 101.11 per hour per lineal foot of groundwater, meaning that you never have to worry about water penetrating through your basement walls. ShockWave is also tough, standing up to an amazing 283.72 PSI of pressure. ShockWave is 100% green and counts toward LEED credits. Check out our distributor page today to start putting ShockWave on every project.