The RM Group, LLC, in Mound, Minnesota, is a company that manufactures and supplies construction equipment and offers business-to-business services.
The company specializes in creating products and services designed to help you perform investigative water penetration and air infiltration testing within the strict guidelines of ASTM, AAMA, WDMA, and CSA.
Products include the Rain Maker Spray Rack, a patented, lightweight aluminum spray rack designed to be set up in 2 minutes and guaranteed to pass the ASTM E 331 standard at any given time.
The RM Group was founded in 2004 and is known for its patented Rain Maker spray rack. Their other products include the Wind Maker test kit and the Rain Wand.
