San Jose Breaks Ground on First Type 1A Fire-Resistant ADU
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San Jose Breaks Ground on First Type 1A Fire-Resistant ADU
"The ICF system stacked lightweight foam blocks like oversized building blocks before crews inserted rebar and poured concrete to create a solid non-combustible core."
"The resulting walls delivered exceptional protection against fire spread while adding seismic strength, soundproofing, pest resistance, and energy efficiency far beyond traditional wood-frame construction."
"Additional features such as fire-resistant windows, a metal roof structure, and fire-rated vents completed the resilient design ready for today's denser neighborhoods."
"ADUs are a key avenue for growing the San Jose housing supply and lowering costs. Any technological advances here will have an amplified impact on our city."
Builtech Construction has initiated an 850-square-foot ADU in San Jose, achieving the highest fire-resistance classification under state building codes. This project utilizes advanced Insulated Concrete Form technology, which involves stacking lightweight foam blocks, inserting rebar, and pouring concrete to create a non-combustible core. The walls provide exceptional fire protection, seismic strength, soundproofing, pest resistance, and energy efficiency. The total cost of the build is approximately $350,000, comparable to conventional methods, and includes additional fire-resistant features, contributing to the housing supply in San Jose.
Read at Thesanjoseblog
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