Energy Efficient Roof Calculator

Boral Roofing - Energy Efficient Roof Calculator
Select your state
Choose your climate zone
- Zone 1
Zone 2
Zone 3
Zone 4
Zone 5
CDD = Cooling Degree Days; HDD = Heating Degree Days
USA map
Choose your style of concrete tile
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Low Profile
Low Profile-
Medium Profile
Medium Profile-
High Profile
High Profile
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Select how you heat your home
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- Gas Heating
- Electric Heating
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