Residential Cool Roofing Alternative

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.

Residential cool roofing alternative.

There are different cool roof standards for commercial low slope roofs and residential steep slope roofs. 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. 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.

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. 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 roofs consist of a roof deck a protective barrier often rolls of hdpe soil and plants thus the name living roof. Solar shingles offer an alternative to conventional rooftop solar panels while also serving as a roofing material.

Commercial cool roof options include bright white membranes and white coatings. The new cool roof requirements affect new construction significant repairs of existing roofs re roofing plus additions and alterations of existing buildings and homes. Metal roofs membrane systems white tile roofs like the one shown here and even living roofs can all be described as cool roofs. 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. Residential roofing options include asphalt shingles metal clay tiles and concrete tiles. Probably the most interesting of the alternative roofing materials living roofs have been in existence for a while but have only recently started to gain popularity in the roofing world. Standard or dark roofs can reach temperatures of 150 f or more in the summer sun.

Cool roofs can be made of a highly reflective type of paint a sheet covering or highly reflective tiles or shingles.