OMG - 2' Seam Plate box/1000

The OMG SPGA2 is a 2-inch flat metal seam plate made from Galvalume® coated steel and designed for roofing membrane lap seam fastening. Its round design eliminates sharp corners that could damage membranes or insulation. It works with OMG’s standard, heavy duty, and CD-10 fasteners to help distribute load and maintain secure attachment of roofing membranes.

Key Features

• 2-inch (50 mm) diameter flat stress/seam plate
• Constructed with Galvalume® coated steel for corrosion resistance
• Round design reduces membrane cutting or wear
• Compatible with OMG standard, heavy duty, or CD-10 fasteners
• Used for lap seam fastening in single-ply roofing applications

• SKU / Model: SPGA2
• Plate diameter: 2.00 in (50 mm) 
• Material: steel with Galvalume® coating 
• Finish / coating: corrosion resistant coating (AZ55 or Galvalume standard) 
• Compatible fasteners: OMG Standard, Heavy Duty, CD-10, etc. 
• Application: lap seam membrane fastening in single-ply roofing systems

• Align the plate over the membrane lap seam where fastening is required.
• Ensure the plate lies flat against the membrane surface.
• Drive the appropriate OMG roofing fastener through the center of the plate into the substrate until seated.
• Avoid over-torqueing to prevent distortion of the plate.
• Ensure the plate remains flush and flat — no bending or warping of the plate edge.
• Continue with additional plates at specified interval spacing per roofing design.

Q: What is the diameter of the SPGA2 plate?
A: 2.00 in (50 mm).

Q: What material and coating does SPGA2 use?
A: Steel with a Galvalume® or corrosion-resistive coating.

Q: Is SPGA2 a barbed or flat plate?
A: SPGA2 is a flat seam plate (non-barbed).

Q: How many pieces are in a typical case?
A: Usually 1,000 pieces per case.

Q: Which fasteners are compatible with SPGA2?
A: OMG’s standard, heavy duty, and CD-10 fasteners.