The level of protection that your roof requires will depend on the heat zone that your building is located in.
San diego title 24 roof requirements.
For requirements concerning renewal of roof covering.
California s building energy efficiency standards for residential and nonresidential buildings title 24 part 6 contains requirements for the thermal emittance three year aged reflectance and solar reflectance index sri of roofing materials used in new construction and re roofing projects.
Any building in san diego that has been built or altered since 1978 needs to comply with the title 24 regulations set forth by the state of california.
Then determine the weight of the roofing material.
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The requirements apply to new construction and to retrofits or additions that replace or re coat at least 2 000 ft 2 of roof space for nonresidential buildings and 1 000 ft 2 of roof space for.
Title 24 energy requirements.
The california residential title 24 part 6 standards require cool roof when all.
Title 24 sets the requirements for the r value of insulation and the ability of the roof s surface to reflect ultraviolet light back into the atmosphere rather than absorbing the heat.
Comply with the requirements of city of san diego for special inspections structural observations construction mate rial testing and off site fabrication of.
The title 24 prescriptive requirements divide roofs into two categories low slope less than 2 12 pitch and steep slope greater than 2 12 pitch.
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The title 24 mandatory measures do not require unheated slab insulation but when the prescriptive requirements call for it zone 16 the mandatory measures require that the insulation material must be suitable for the application and meet the requirements.
The performance of the building components including the roof must meet the minimum levels of energy efficiency.