Psf Of A Cool Roof

This results in lower absorption of solar heat and a cooler roof.

Psf of a cool roof.

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. 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. The cost premium for cool roofs versus conventional roofing materials ranges from zero to 5 or 10. Standard or dark roofs can reach temperatures of 150 f or more in the summer sun.

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. A cool roof under the same conditions could stay more than 50 f cooler and save energy and money by using less air conditioning. 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. Roof temperature is rated via solar reflectance and thermal emittance with ratings ranging between 0 and 1.

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. Whereas darker traditional roofing materials absorb sunlight the reflective surfaces of a cool roof reflect it away.