ROOFTOP UNIT
Type MR-RTU:

• RTU curb for metal roof features factory welded rib pockets to match roof, welded water diverter and perimeter insulation.
• Duct hangers or full-height cross members or insulated panels fabricated as needed to match RTU manufacturer's factory curb.
• 14 ga. galvanized of 18 ga. galvalume steel.

SIDE RIB STYLE
Type MRSR:

• Meets requirement of MBCI specification (and MBCI related companies).
• For installation only under the peak side (or uphill) roof sheet and over the eave side (or downhill) roof sheet.
• Constructed of .080 aluminum with integral side rib and weather batten to cover side seam and factory welded rib pockets.