LabTest Certification provides fast turnaround and competitive pricing for Testing and Certification according to national and international industry-set fenestration standards developed by: CSA, AAMA, ASTM, WDMA, and NFRC.


LabTest offers NAFS Testing

NAFS testing is required to determine the Performance Class (R, LC, CW, AW) and Performance Grade (PG) for fenestration products.  A permanent label showing the appropriate ratings must be attached to the finished product before installation.   

Testing includes but is not limited to:

  • Operating Force
  • Air Leakage Resistance
  • Water Penetration Resistance
  • Uniform Load Deflection
    • Positive & Negative Design Pressure
  • Uniform Load Structural
  • Forced-entry Resistance
  • Stabilizing Arm Load
  • Horizontal Concentrated Load
  • Vertical Concentrated Load
  • Thermoplastic Corner Weld


  • Fixed & sliding windows
  • Casement Windows
  • Hinged/Sliding Doors
  • Skylights & Roof Windows
  • Awning and Hung Windows
  • Tilt & Turn (Dual-action) Windows and Doors
  • Side-lite and Transom
  • Folding Doors
  • And more.

Get in touch with our Fenestration Services  right now!