Along with firefighters from North Yorkshire, additional resources were sent from several other stations to Gaza Barracks.
A spokesperson for County Durham and Darlington Fire and Rescue Service said one crew attended from Darlington fire station to assist with an aerial ladder platform.
The BBC has asked the Ministry of Defence for comment.
Hipswell and Colburn councillor Kevin Foster had earlier told local media: “My immediate concern is for the safety and wellbeing of everyone at the camp, including our military personnel, their families and the emergency services responding to the incident.”
Catterick Garrison is the largest army base in the country and is home to more than 14,000 military personnel, according to government figures, external.
Several major combat regiments and support units are based there, such as The Light Dragoons and the 1st Battalion The Royal Yorkshire Regiment.
The Infantry Training Centre is also located in Catterick and provides basic and advanced training for soldiers joining the infantry.















































