Psf Of A Cool Roof

Standard or dark roofs can reach temperatures of 150 f or more in the summer sun.

Psf of a cool roof.

Cool roofs can be made of a highly reflective type of paint a sheet covering or highly reflective tiles or shingles. A cool roof under the same conditions could stay more than 50 f cooler and save energy and money by using less air conditioning. The cost premium for cool roofs versus conventional roofing materials ranges from zero to 5 or 10. Flat roof coatings will cost between 0 15 to 2 00 per square foot for materials and an additional 0 50 to 3 00 per square foot for labor as broken down in the cost per square foot section above.

Although costs will vary greatly depending on location and local circumstances cool roof coatings on a low slope roof might cost 0 75 1 50 per square foot while single ply cool roof membrane costs vary from 1 50 3 00 per square foot. This price is for a coating over a pre existing roof system such as a rubber membrane or metal roof. This results in lower absorption of solar heat and a cooler roof. Cool roof coatings are sprayed rolled or brushed onto an existing flat or low sloping rooftop to create a bright white paint like reflective surface these coatings are more commonly used in re roofing projects than in new construction and their cost ranges from about 75 cents to 1 50 per square foot source.

Ladwp s cool roof rebates are available to single family and multi family residential customers and are part of the consumer rebate program. Pacific gas and electric. Ddc cool green roofing manual ddc preface 1 1 preface nyc department of design and construction in recent years there has been great interest in the potential of two roofing strategies cool or light colored roofs and green or planted roofs to reduce the energy consumed by individual buildings.