The roof plays an incredibly important role in the safety and durability of the house. Because roofs last for so long, few people realize that they need to replace their roof, until it is way past the time. This is why it is important to make sure that you are educated about what to look for in an aging roof so that you can replace it before it compromises the safety of your home. Here are some things you should be looking for.

1. Loose and Missing Shingles

First of all, you should be looking to see how the shingles are holding up. As the shingle roof ages you will probably notice some shingles falling off the roof. In some places it may just be one or two shingles, but after time there will begging to be multiple shingles in your gutter. Once one shingle falls off, it is likely that others next to it will start to peel off, since each shingle helps holds the other in place. This is why one day it may seem the roof is fine, but then in a matter of months, you have many missing and loose shingles.

2. Cracking and Discolored Shingles

In some cases the shingles may not have fallen off yet, but they definitely don't look good. You might notice that the shingles start to look as though they have cracked down the middle, or in multiple places. Additionally, the shingles might even change colors, like they may become discolored black. This is caused by excessive weathering as well as the moisture that gets caught in the roof when it is not properly ventilated. With excessive exposure to water and not enough drainage, the shingles can start to gross moss, or even have mold on them.

3. It Has Been Over 20 Years

Usually the amount of time that you should wait before replacing a roof is 20 years. That is the generally the maximum amount of time that you should let the roof go. In some climates 20 years may be too long, or you could even get more time. If you have a lot of moisture in the area that you live or harsher weather conditions, then you should consider getting it done sooner, since it probably has more wear and tear. However, if you live in a mild climate, you could get 25 years out of it. This is why it is important to look for the signs.

By knowing these things you can determine when it is right to replace your roof.