Science Fair Project Encyclopedia
- This article is about firewalls used in construction. For the networking term, see firewall (networking).
In construction, a firewall consists of a windowless, fireproof wall (or a wall of substantially heavier construction than other walls in a building) built to prevent fire from spreading beyond one section of a building. Such firewalls form the built-up equivalent of firebreaks in a landscape. Their function in containing the undesirable resembles the use of bulkheads in shipbuilding and aircraft construction.
Firewalls are also found in specially prepared cars for competition use. For example, a typical conversion of a production car for rallying will include a metal firewall which seals the fuel tank apart from the interior of the vehicle. In the event of an accident resulting in fuel spillage, the firewall can prevent burning fuel from entering the passenger compartment, where it could cause serious injury or death. Firewalls have to be fitted so that they form a complete seal — usually this is done by bonding the metal sheet to the bodywork using fiberglass resin.
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