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.

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. The thermal emittance rating represents cooling efficiency via thermal radiation. 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. 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.

Pacific gas and electric. The average cost to seal a roof is 1 072 and typically ranges between 403 and 1 760 however you may pay as little as 100 or as much as 3 200 or more that s a total average of 0 65 to 5 per square foot the type of roof type of sealant used the condition of your current roof and your location all affect price. A cool roof under the same conditions could stay more than 50 f cooler and save energy and money by using less air conditioning. 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. The solar reflectance rating represents the fraction of sunlight reflected by the roof.