Table of Contents
What is the California wildland-urban interface?
The law requires that homeowners do fuel modification to 100 feet (or the property line) around their buildings to create a defensible space for firefighters and to protect their homes from wildfires.
What is an interface wildfire?
Interface fire – Interface fires are fires that have the potential to involve buildings and forest fuel or vegetation simultaneously.
What is an urban interface area?
The wildland urban interface is the area where industrial, agricultural, or residential development overlaps wildland areas.
Why is the wildland-urban interface important?
This makes it more important than it has ever been to protect your home and your community from wildfires that can spread faster than any other disaster you might experience. Living in a WUI means that if a wildfire breaks out your home will be one of the most vulnerable.
What are WUI standards?
A wildland-urban interface (WUI) code is specifically designed to mitigate the risks from wildfire to life and property. The standards within a WUI code will vary according to the scope that a community is willing to adopt and enforce.
What does WUI compliant mean?
The listing of Wildland Urban Interface (WUI) Approved Products was created to provide a directory of WUI products that are in compliance with Chapter 7A of the California Building Code and Chapter R327 of the California Residential Code.
What is the interface zone?
The interface zone includes a tightly adherent titanium oxide layer on the surface of the implant which may be similar to a ceramic material in relation to tissue response.
How many people live in the wildland-urban interface?
The wildland-urban interface population boom In all, the population of those high-hazard areas grew from 1 million in 1990 to 2.6 million in 2010, the latest year with detailed population data. That’s an increase equivalent to the current populations of San Francisco and Seattle combined.
How is development at the wildland-urban interface increasing wildfire risks?
The wildland-urban interface (WUI), the area where houses and wildland vegetation mix or intermingle, is rapidly growing. Housing expansion into the WUI has increased wildfire frequency and risk. This is in part because human-caused wildfires are responsible for most of the wildfires in the WUI.
How many homes are in the wildland-urban interface?
5.1 million
WUI areas are particularly widespread in the eastern United States, reaching a maximum of 72% of land area in Connecticut. California has the highest number of WUI housing units (5.1 million).
What is WUI compliant?
The California Building Commission adopted the Wildland-Urban Interface (WUI) codes in late 2005. The majority of the new requirements take effect in 2008. These new codes include provisions for ignition resistant construction standards in the wildland urban interface.
What is WUI compliance?
Wildland Urban Interface (WUI) Codes and Standards. Chapter 7A of theCalifornia Building Code (CBC) and Chapter R337 of the California Residential Code (CRC) contain standards associated with the construction of buildings in wildfire prone areas.
What is WUI approved decking?
The W.U.I. (Wildlife Urban Interface) designation for these hardwood decking materials means that they are fully compliant with all the requirements of California’s strict fire codes in Test Protocol 12-7A-4A.
Which government agency is responsible for approving construction products within the wildland urban interface areas?
The California Building Commission
The California Building Commission adopted the Wildland-Urban Interface (WUI) codes in late 2005. The majority of the new requirements take effect in 2008. These new codes include provisions for ignition resistant construction standards in the wildland urban interface.
What are the WUI codes?
Who lives in the WUI?
Every single state in the U.S. has a WUI where one-third of all U.S. homes are built. California has the most people living in the WUI, or 32% of all housing units. This means 11 million people in our state are living in a wildland-urban interface area.
How many Californians live in WUI?
By 2010, the number of houses within the WUI had grown to 4.46 million, and the population had grown to 11.2 million in California, making it the state with the largest number of houses and population in the WUI12.
How many Californians live in the wildland-urban interface?
11 million Californians
More than 11 million Californians, roughly a quarter of the state’s population, live in high-risk wildfire areas known as the wildland-urban interface, or as its often referred to in academic circles, the WUI (pronounced woo-eee).
Is redwood decking WUI approved?
Redwood’s remarkable properties combined with coordinated, up-to-date material performance testing has resulted in suppliers, builders, homeowners and fire and building officials being assured that redwood decking can be used safely and without restriction throughout all areas of California.
What code is referenced by the IFC to regulate the clearance of vegetation in urban wildland interface areas?
4906.1 General. Hazardous vegetation and fuels shall be managed to reduce the severity of potential exterior wildfire exposure to buildings and to reduce the risk of fire spreading to buildings as required by applicable laws and regulations.
What is the wildland urban interface?
The Wildland-Urban Interface (WUI) is the line, area, or zone where structures and other human development meet or intermingle with undeveloped wildland or vegetative fuels. Describes an area within or adjacent to private and public property where mitigation actions can prevent damage or loss from wildfire.
What is the WUI (wild urban interface)?
The WUI is the zone of transition between unoccupied land and human development. It is the line, area or zone where structures and other human development meet or intermingle with undeveloped wildland or vegetative fuels.
Are human settlements in the WUI at a greater risk of wildfire?
Human settlements in the WUI are at a greater risk of catastrophic wildfire . Map of the wildland-urban interface in Catalonia featuring intermix and interface zones.
What is a wildland fire mitigation area?
Describes an area within or adjacent to private and public property where mitigation actions can prevent damage or loss from wildfire. ( NWCG Glossary of Wildland Fire, Dec. 2018