The truth is many of the materials covered in this series on roof options can be used to create a cool roof one that reflects or otherwise mitigates heat.
Residential cool roofing alternative.
Metal roofs membrane systems white tile roofs like the one shown here and even living roofs can all be described as cool roofs.
Additionally roofing products used for meeting the title 24 part 6 requirements must be rated and labeled by the crrc see section 10 113 of title 24 part 6.
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.
Standard or dark roofs can reach temperatures of 150 f or more in the summer sun.
Residential roofing options include asphalt shingles metal clay tiles and concrete tiles.
Solar shingles offer an alternative to conventional rooftop solar panels while also serving as a roofing material.
These roofs consist of a roof deck a protective barrier often rolls of hdpe soil and plants thus the name living roof.
While early versions of solar shingles and other solar roofing products used flexible thin film solar technology today s solar shingles typically are made with rigid materials such as tempered glass.
These requirements apply to nonresidential high rise residential and low rise residential buildings across california s 16 climate zones.
A cool roof under the same conditions could stay more than 50 f cooler and save energy and money by using less air conditioning.
Owens corning cool roof collection shingles are specially designed to reflect the sun s energy and absorb less heat than standard shingles without limiting your color options.
The new cool roof requirements affect new construction significant repairs of existing roofs re roofing plus additions and alterations of existing buildings and homes.
Rebate levels the base rebate for qualifying roofs is 0 20 per square foot the enhanced rebate is 0 30 per square foot roofing products must be tested and labeled by the cool roof rating council.
However that dynamic has changed in recent years with the development of residential cool roof products like landmark solaris and presidential solaris from certainteed that can achieve energystar qualified levels of solar reflectivity even in dark rich hues.
Every shingle in the cool roof collection features a precise mix of solar reflecting granules to help comply with the solar reflectance index sri requirements of title 24 part 6 even with deeper vibrant colors.
Cool roofs can be made of a highly reflective type of paint a sheet covering or highly reflective tiles or shingles.
Commercial cool roof options include bright white membranes and white coatings.