I need help to determine the fire rating of a ceiling unfinished attic space above with 1 2 gyp board with attached to wood trusses 24 o c.
1 3 4 solid wood door fire rating.
And 12 of r 38 fiberglass batt insulation.
To meet fire separation requirements the door must be one of three types of doors.
Face sheets are available in gauges 18 to 14 with door thicknesses of both 1 3 4 and 2.
Ceco steel stiffened doors are used in areas where optimum security and susceptibility to vandalism and break in are of paramount concern.
Fire ratings are available from 20 minutes through 3 hours with 450 degree f temperature rise option.
Thd sku 203908.
Heavy duty spring hinges and one 4 1 2 in.
Fire doors 20 45 60 and 90 minute fire ratings we can provide fire doors in just about any design and wood species in solid wood or solid core veneer doors up to a 90 minute rating.
It comes complete with an entrance cylinder lever lockset two 4 1 2 in.
The door panel and frame are made from galvanneal steel to ensure good final paint adhesion.
Masonite 36 in.
It comes complete with an entrance cylinder lever lockset two 4 1 2 in.
Heavy duty spring hinges and one 4 1 2 in.
In the united states nfpa 80 2019 5 2 4 requires that fire rated doors be inspected each year to confirm that the door is in good condition and that all of the required components work as required.
By code i need a minimum 1 2 hour rating.
The door and frame assembly is fire rated with a 1 1 2 hours rating.
Composite unfinished 20 minute fire door this unfinished fire door can help keep you and your family safe during an emergency thanks to its 20 minute fire rating and solid core construction.
Fire rated options non rated 20 minute 45 minute 60 minute 90 minute and 3 hr fire rating options our commercial grade doors can withstand the spread of fires to the architectural grade standard fire rating of 90 minutes.
Contact us for a quote.
Simpson offers thousands of choices for fire rated doors including 20 minute fire rated wood doors and mdf doors with fire ratings up to 90 minute.
The door panel and frame are both made from galvanneal steel to secure and protect your home or building.
The door and frame assembly is fire rated with a 1 1 2 hours fire rating.