ICC IWUIC-2021包含了关于野地附近建筑火灾蔓延、可达性、防御空间、供水等方面的规定。IWIIC:制定法规，以保护生命和财产免受野地火灾的侵入，并防止结构火灾蔓延至野地燃料。规定了可防御空间，并提供了防火结构要求，以防止暴露在火中，并防止燃烧余烬点燃。提供紧急通道、供水和消防标准。提供自动灭火和安全存储实践的要求。完全兼容ICC的所有国际规范®。 基于从世界各地的测试和火灾事件、技术报告和缓解策略中收集的数据。

ICC IWUIC-2021 contains provisions addressing fire spread, accessibility, defensible space, water supply and more for buildings constructed near wildland areas.The IWUIC:Establishes regulations to safeguard life and property from the intrusion of wildland fire and to prevent structure fires from spreading to wildland fuels.Regulates defensible space, and provides ignition-resistant construction requirements to protect against fire exposure and resist ignition by burning embers.Provides standards for emergency access, water supply and fire protection.Provides requirements for automatic fire suppression and safe storage practices.Is fully compatible with all of ICC's International Codes®.Is founded on data collected from tests and fire incidents, technical reports and mitigation strategies from around the world.