How To Tell Age Of Roof

Other areas require you to be inside the home in the attic or in the crawlspaces beneath the roof.

How to tell age of roof.

When in doubt contact a licensed roofing contractor to. You can often determine a roof s age by the granules left on top of its asphalt shingles. Sometimes it s not necessary to determine the age of a roof to know it s time for a replacement. The seven signs of roof age.

1 find out the date of the building permit. Estimate general idea not a true scientific process to determine the age. A roof replacement project typically requires a building permit and if the work involved changes to the structure it might also require approval from a planning zoning or community historic preservation board. Visual clues are available and can provide a very accurate estimate of the age of a house and its roof.

There are generally seven ways to tell if a roof is reaching the end of its lifespan. If the 25 year laminated shingle is 10 years old does that mean it has 15 years left. The dark streaks are caused by algae. As shingles age the asphalt dries out.

Expert contractors can determine the age of any roof even without any documentation. More than likely no all sorts of circumstances come into play during those years leaving mother nature to determine when the roof system is in need of repair or replacement. 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. 99 of shingles manufactured today are algae resistant.

The building permit should have an issued date and may contain guidelines that limited the work period to a few months or one year. A shingle s granules protect the waterproofing asphalt from the sun s uv rays. 1 do you see dark streaks on your roof. This resistance is achieved by a.

There are four ways to determine the age of a roof of a home your are considering buying or already own. When shingles begin to curl they are no longer working effectively. Leaks and water damage. Just like the crime scene investigation shows on television examining components such as building materials fasteners types of saw cuts on lumber and.

On the other hand a poorly installed roof with low quality materials can start to look shoddy after only nine years. The age of your roof is one of the most critical facts to uncover. This is a significant investment so you should find out the exact date when your current roof was installed before you purchase your home. Most roofing experts suggest that roofs will last between 25 30 years.

If you don t want to go through the trouble of finding the age of your roof there are a few signs to look for to indicate you need a new roof. If your roof has been properly installed and is younger than 15 or 20 years old it may get by with repairs rather than a full replacement.