WHI UL Listed Steel Fire Rated Doors

WH listed180 minutes steel fire rated doors FIRE DOOR FRAMES Frame used in masonry walls maybe used with a maximum 3-hour fire door while frame used in drywall stud walls are intended to be used with a maximum 1-1/2-hour fire door. consulting with your door frame manufacturers listings for fire...

 WH listed180 minutes steel fire rated hollow metal door entry door

 

WH listed180 minutes steel fire rated doors

 

WH listed180 minutes steel fire rated hollow metal door entry door


 

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    FIRE DOOR FRAMES

      Frame used in masonry walls maybe used with a maximum 3-hour fire door while frame used in drywall stud walls are intended to be used with a maximum 1-1/2-hour fire door. consulting with your door frame manufacturers listings for fire door frames than can be used in drywall stud walls with a maximum 3-hour ratings.

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