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Fire Ratings

  • Independent agency, Warnock Hersey, tests and monitors frames and labels to ensure all frames meet or exceed the listed fire ratings.
  • Labels are tamper proof. If you see this label, the frame meets IDP Inc. high quality standards and the listed fire rating.
  • Mylar labels have a mask applied to be removed after installation and final finish is applied.

Fire Rating Certification Details for IDP Entry-Fit™ F-Series and KF-Series Frame Products *

Rating Max Door Opening Width Max Door Opening Height Min Wall Size Min Wall Size KF-Series Gauge Test Standard Edge Seals for Cat A Doors Edge Seals for Cat B Doors
90 Min. Single 4’0″ 7’0″ 4-1/2″ 5″ 18 Positive Pressure No Additional Edge Seals Required Additional Category G Edge Seals Required
90 Min. Single 3’0″ 8’0″ 4-1/2″ 5″ 18 Positive Pressure No Additional Edge Seals Required Additional Category G Edge Seals Required
90 Min. Pair 6’0″ 8’0″ 4-1/2″ 5″ 18 Positive Pressure No Additional Edge Seals Required Additional Category G Edge Seals Required
20 Min. Single 3’0″ 8’0″ 3-1/2″ 5″ 18 Positive Pressure No Additional Edge Seals Required Additional Category G Edge Seals Required

Fire Rating Certification Details for IDP Entry-Fit™ K2A-Series and NK2A Frame Products *

Rating Max Door Opening Width Max Door Opening Height Min Wall Size Base Frame Gauge Closure Frame Gauge Test Standard Edge Seals for Cat A Doors Edge Seals for Cat B Doors
90 Min. Single 4’0″ 7’0″ 4-1/2″ 18 22 Positive Pressure No Additional Edge Seals Required Additional Category G Edge Seals Required
90 Min. Single 3’0″ 8’0″ 4-1/2″ 18 22 Positive Pressure No Additional Edge Seals Required Additional Category G Edge Seals Required
90 Min. Pair 6’0″ 8’0″ 4-1/2″ 18 22 Positive Pressure No Additional Edge Seals Required Additional Category G Edge Seals Required

* Single Swing: Cross bracing at latch height must be used for metal stud walls
* Standard Pairs: Cross bracing 24″ on center and double studs at each opening for metal stud walls
* Wood trim (pine or solid wood with an equal or greater density) is allowed for a reduced fire rating of 60 minutes

Fire Rating Certification Details for IDP Entry-Fit™ Sidelite and Transom Assembly Frames **

Rating Max Door Opening Width Max Door Opening Height Min Wall Size Frame Gauge Test Standard Glazing Material Glazing Seals*** Max Glass Width Max Glass Height Max Glass Area Max Assembly Width Max Assembly Height
45 Min. Sidelite 3’0″ 8’0″ 4-1/2″ 18 Positive Pressure 1/4″ fire rated Wire or Ceramic Listed 24″ 94-1/2″ 2268 sq in 78-1/2″ 111-1/2″
45 Min. Sidelite w/Transom 3’0″ 8’0″ 4-1/2″ 18 Positive Pressure 1/4″ fire rated Wire or Ceramic Listed 61-1/2″ 12″ 738 sq in 78-1/2″ 111-1/2″
45 Min. Transom 3’0″ 8’0″ 4-1/2″ 18 Positive Pressure 1/4″ fire rated Wire or Ceramic Listed 36″ 12″ 432 sq in 39-1/2″ 111-1/2″

Fire Rating Certification Details for IDP Entry-Fit™ Fire Window / Borrowed Lite **

Rating Min Wall Size Frame Gauge Test Standard Glazing Material Glazing Seals*** Max Glass Width Max Glass Height Max Glass Area Max Assembly Width Max Assembly Height
45 Min. 4-1/2″ 18 Positive Pressure 1/4″ fire rated Wire or Ceramic Listed 30″ 86″ 2580 sq in 71″ 89″
45 Min. 4-1/2″ 18 Positive Pressure 1/4″ fire rated Wire or Ceramic Listed 36″ 60″ 2160 sq in 71″ 89″

** Cross bracing 24″ on center and double studs at each opening for metal stud walls
** Wood trim (pine or solid wood with an equal or greater density) is allowed for a reduced fire rating of 20 minutes
*** Glazing Seal must be rated for glass area

Download IDP Fire Rated Products Sheet

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