Installed correctly a new roof will last at least 15 years but the exact lifespan depends on the material.
Remaining economic life of roof.
The roof should have a remaining physical life of at least two years.
Here learn which roofing lasts the longest.
If remaining economic life is 40 years the market is paying 67 of replacement cost 40 60.
If the roof has less than two years remaining life then the appraiser must call for re roofing or repair.
The expected life of a given roof in a given environment has the most impact on the roof s overall life cycle cost.
The average life of roofing.
The appraiser must clearly state whether the subject is to be repaired or re roofed any leaks or moisture due to a problem with the roof are noted will be noted on.
The life expectancy of your roof depends factors that include the roof design and the climate you live in as well as the quality of installation and long term care.
If it is determined that the roof has a remaining life of less than two years then it would be the responsibility of the appraiser to call for repair or the construction of a new roof.
Maybe even a total roof replacement.
An appraiser who states that the effective age of a q4 house is 12 years is asserting that depreciation is 20 and the market is paying 80 of replacement cost.
The appraiser must exercise sound judgment when evaluating roof condition.
The roof should have a remaining physical life of at least two years.
4905 1 rev 1 2 12 life expectancy.