Which roof type provides a cost benefit over a 30 year period and how much is that benefit? (HINT: find the difference between the 30 yr costs)
Traditional Roof
Green Roof
Initial Installation
$30.00 per square
$35.00 per square
foot
foot
Care and Maintenance
$25.00 per square
$30.00 per square
foot
N / A
foot
Savings from Insulating Effect
$5.00 per square
foot
Reduction in Repair Costs
N/A
$10.00 per square
foot
Replacement Cost
$35.00 per square
foot
N/A
Traditional Roof 30+25+35=\$ 90 / s * qft
Green Roof 35+30-5-10=\$ 50 / s * qft
(1 point)
Traditional Roof, benefit of $40 per square foot
Green Roof, benefit of $40 per square foot
Green Roof, benefit of $50 per square foot
Both roof types provide equal benefits