Enviroshake Cedar Size of Roof (square feet) 4000 4000 # of Square 40 40 Material Cost/Square $450 $200 Starter Row Material $45.00 $20.00 Labour Cost/Square $250 $325 Waste Factor % 5% 15% Cedar Breather/Square NA $10 Interweaving/Square NA $100 Zinc Strips/Square NA $10 Total Material Required 42 46 Year 1 (Initial Installation Cost) $29,445.00 $29,690.00 Year 5 No Roof Maintenance Maintenance $3400 Year 10 No Roof Maintenance Maintenance $3400 Year 15 No Roof Maintenance Maintenance $3400 Year 20 No Roof Maintenance Maintenance $4420 Year 25 No Roof Maintenance 44535 Re-Roofing Year 30 No Roof Maintenance Maintenance $4420 Year 35 No Roof Maintenance Maintenance $4420 Year 40 No Roof Maintenance Maintenance $5746 Year 45 No Roof Maintenance Maintenance $5746 Year 50 No Roof Maintenance 59380 Re-Roofing Lifetime Cost $29,445.00 $138,867.00 Savings by choosing Enviroshake $109,422.00 NOTES: *Costs are homeowner pricing averages * Values Used for Material and Labour costs are averages based on 2011 market trends ** Taxes (PST & GST) have not been figured into costs as both are constants *** The term square signifies 100 square feet (1 square = 100 square feet) ****This represents an average roof of a 4/12 pitch, and does not include tearoff of existing shakes or dump fees *****Above does not include additional materials required (underlay, drip edge, valleys, nails, vents, ridgecaps, and flashing) ******Roofs with steeper pitch, gables, dormers etc. will have a higher installation cost that would be representative for both cedar and Enviroshake cost models *******Cedar Shingles - Increased 10% from 2007 to 2008 alone. Assume a 30% increase in 15 years. Other factors to consider are the rising labour costs and fuel cost for contractors. Again assume a 30% increase in labour within 15 years. On the whole, the same project will cost at least 30% more than the original installation.
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