Firewall (construction)
Firewall residential construction, separating the building into two separate residential units, and fire areas.
Firewall, as seen on the inside of a newly constructed townhouse unit, showing how the firewall goes past the roofline.
Example of a firewall (tested, not listed or certified by Southwest Research Institute) used to inhibit the spread of a fire at an electrical substation.
A firewall is a fireproof barrier used to prevent the spread of fire between or through buildings, structures, electrical substation transformers, or within an aircraft or vehicle.
Read more about Firewall (construction): Applications, Types, Characteristics, Performance Based Design, Firewalls Outside of Building Construction