MPI is SDI Certified. We earned this certification by being audited to meet the Steel Door Institute’s manufacturing, performance and quality standards. By choosing MPI, architects and distributors can be assured their doors and frames will meet the highest standards in the industry.

Many manufacturers claim to meet SDI standards. We became SDI Certified and proved it. Choose MPI for quality steel doors and frames.

Standards Audited For SDI Certified

• ANSI/SDI A250.4 - Test Procedure and Acceptance Criteria for Physical Endurance for Steel Doors, Frames and Frame Anchors
• ANSI/SDI A250.6 - Recommended Practice for Hardware Reinforcing on Standard Doors & Frames
• ANSI/SDI A250.10 - Test Procedure and Acceptance Criteria for Prime Painted Steel Surfaces for Steel Doors & Frames
• ASTM A653 - Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by by the Hot-Dip Process
• ASTM A1008 - Standard Specification for Steel, Sheet, Cold-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, Required Hardness, Solution Hardened, and Bake Hardenable
• SDI 113 - Standard Practice for Determining the Steady-State Thermal Transfer of Steel Door & Frame Assemblies
• SDI 117 - Manufacturing Tolerances for Standard Steel Doors & Frames
• UL 10C - Standard Positive Pressure Fire Test of Door Assemblies
• UL 1784 - Standard for Air Leakage Test of Door Assemblies and Other Opening Protectives