The cool roof you need with the distinctive style you crave can be used to comply with title 24 cool roof requirements.
Roof tile asri title 24.
As of january 1 2010 the california energy commission s updated title 24 building energy efficiency standards for residential and non residential roofing are now in force otherwise know as cool roof.
Gaf california cool shingles are your best choice for a stylish roof in california.
The title 24 roofing code establishes new requirements to promote the installation of cool roofs in steep slope construction.
Title 24 roof requirements as part of 2010 s standards for both residential and non residential must be equipped with a cool roof.
Cool roofs are roofs designed to reflect more sunlight and absorb less heat than a standard roof and need to meet or exceed the 20 requirement for aged ref.
In essence there are prescriptive and design options for meeting the requirements that include the building design a c lights windows and roof systems.
As of january 1 2010 these standards have been updated.
The new cool roof requirements affect new construction significant repairs of existing roofs re roofing plus additions and alterations of existing buildings and homes.
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.
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.
Roofing plays a major role in home energy efficiency and title 24 has very specific standards requiring cool roofs for california residents.
The california energy code or title 24 part 6 of the california code of regulations also titled the energy efficiency standards for residential and nonresidential buildings were established in 1978 in response to a legislative mandate to reduce california s energy consumption.
As you have identified title 24 does create some challenges for the roofing professional.
We ll focus here on how title 24 applies to low rise residential homes with traditional steep sloped roof styles having a rise to run ratio greater than 2 12 2 feet of rise for every 12 feet of roof span or more than 9 5 degrees from horizontal.
Since buildings are one of the major contributors to electricity demand the goal of title 24 is to reduce energy consumption in california for its energy future.
Roofing products with high solar reflectance and thermal emittance are referred to as cool roof which is the outer layer or exterior surface of a roof.
A cool roof absorbs less heat as it reflects more light from the sun.