Slate shingles are believed to be an investment. However, many owners have the false proven fact that once these shingles are installed, they can be ignored and be likely to last for a lot more than ten years. That is absolutely absurd. All roofs require regular upkeep. If you neglect to inspect your roof regularly, you could end up with holes on your roof, accompanied by expensive repairs. If this is still ignored, you need to spend on even costlier roof replacement.
It is possible and understandable to undergo two years without the roof maintenance. However, if you start noticing several broken slate tiles, or once the tiles end up on your lawn instead on your roof, you are faced with a difficult decision. Should you go for roof replacement or repair?
Roof Replacement or Roof Repair?

The key reason why roof replacement is usually stalled is because it's not cheap. And so, whether it's not totally necessary, people choose to make repairs instead of a full-scale replacement. However, it's knowing the difference between roof that requires repair, or one that needs replacement that's the key.
Signs You have to Replace Your Roof
The first thing that will determine if your roof needs replacing is to check if there are any shingles that require replacing. The best way to determine this is through a knuckle test wherein you tap on multiple areas. If there are hallow sounds, therefore these shingles need replacement.
Another indication of the necessity to substitute your roof is if a lot more than 20 percent of one's slate shingles are either missing, broken, or did not pass the knuckle test. You could repair them, but you will end up paying more over time. https://canvas.instructure.com/eportfolios/2488901/Home/What_is_a_roof_inspection_2 of the slates will deteriorate and cause the other shingles to dislodge or be damaged.
If your roof is properly maintained, you can find less chances of needing replacement. If it is time to substitute your roof, always make sure to hire an experienced roofer. You absolutely do not want a beginner to work on a project as big as roof replacement. Research your facts and get quality for each dollar spent.