99 of shingles manufactured today are algae resistant.
Find out age of roof.
In some cases those signs point toward needing a roof replacement.
A roofing expert is going to be pretty good at examining the types of shingles the state of them and comparing that with the environment to give you a legitimately scientific estimation of its age.
This resistance is achieved by a.
In 4 out of 5 claims 80 percent the permit documented roof age was older.
Estimating roof age is difficult.
Twenty percent of these were off by seven years or more straight line depreciation.
This the most accurate way to age a roof but not all jurisdictions require building permits for roof replacement and sometimes the homeowner has the roof replaced without a permit.
The dark streaks are caused by algae.
Copper offers an old world appeal to your roof as it ages to a pale green patina and can last up to 100 years.
We re going to go over a few of these.
If you didn t think to ask during the home sale it s not too late.
How do you know the age of your roof.
1 do you see dark streaks on your roof.
There are a few methods to finding out the age of your roof if it s unknown.
Here are two quick things you can do to help you determine the age of your roof.
No adjustment for condition.
Unless you live in a very rural town that is void of any zoning laws or building codes or if the roof on your home predates the local government chances are there is a public record in your local town village city or county clerk s or code enforcement officer s office that details any major exterior renovations to your home including a roof replacement.
The best way is to find solid proof with paperwork.
If your roof shows.
There are four ways to determine the age of a roof of a home your are considering buying or already own.
While it s very tough to determine a roof s exact age you can get a general sense by looking for some of the signs above.
Ask the previous owners.
Most roofing experts suggest that roofs will last between 25 30 years.
However there are some ways to find this out on your own.
Obviously the best way to know your roof s age is by keeping records from the last time the roof was replaced.
The age of your roof is one of the most critical facts to uncover.
1 find out the date of the building permit.
This is a significant investment so you should find out the exact date when your current roof was installed before you purchase your home.
How old is that roof.