Psf Of A Cool Roof

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.

Psf of a cool 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. 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. Whereas darker traditional roofing materials absorb sunlight the reflective surfaces of a cool roof reflect it away. Pacific gas and electric.

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

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