Lo mit attic heat barrier is a coating specially formulated to reduce summer radiant heat gain from the roof into the attic.
Painting roof white make the attic cooler.
The easiest route is to slap a cool roof coating onto an existing roof.
Reduced heat load equates to reduced energy required to cool or heat a building.
By decreasing the solar gain and heat retention of your home a white roof also increases its comfort and reduces the heat island effect to which your home s dark roof contributes.
Lo mit is a silver colored non thickness dependent low emissivity radiant barrier paint interior radiation control coating system irccs which may be used in almost any application where infrared heat reflectivity.
That equates to a 16 7 reduction on the heat load being transferred from the the roof system into the attic.
Painting your asphalt shingle roof white can indeed make your roof surface 45 80 f cooler under the hot texas sun and this should easily cut your cooling bills by 10 15.
By reflecting more light and heat back to the atmosphere a white roof should act like.
The urban heat island can be a killer.
Painting roofs white has been like changing lightbulbs one of the well cited easy ways out of climate change.
How to cool your roof.
It found that a clean white roof that reflects 80 of sunlight will stay about 31c cooler on a summer afternoon.
Having a silver roof shouldn t actually contribute to increased heat but a white roof will actually reflect the sun better and help the attic space be a little cooler.
The conditions would of course be very different in california to those found in.