There are lots of signs that your roof may need to be replaced or have some substantial repairs. The best way to do this is to look at the roof from a distance, close up and also from the loft space.
Checking your roof from the outside
Does the roof sag?
Look along the ridge of your roof, is it straight or is it beginning to sag in the middle. This is a clear sign of a structural issue. Not all sagging will result in you needing a whole new roof, it may be that you need to have a repair done on the roof. This isn’t a sign that should be ignored. It is better dealt with while you are in control and before you are dealing with an emergency repair.
Does the ridge look in good repair?
While you are checking for sagging also check the ridge is looking in good repair. The ridge isn’t just used to look pretty, it’s protecting the top of the tiles. Be sure the ridge tiles and the mortar are both sound as if they are damaged your roof is more at risk from weather damage.
Do the gutters contains debris from your tiles?
As tiles age they may begin to break down. If you are finding the outer layers of the tile are breaking away this could be a sign that your tiles are in need of replacement. This doesn’t always mean a new roof – there may just be some replacements needed.
Are the tiles in good repair?
If you have a lot of roof tiles looking damaged this may be a sign that the roof is generally aging and it may be time to take action to prevent and water and weather damage to the house.
Checking your roof from the inside
Can you see daylight?
It may be hard to get a clear idea of damage from the outside but a very clear indication that things are not as they should be is daylight in the loft space.
Is the underlay in good condition?
The underlay should be in good condition and free of any rips or tears no matter how small. If the underlay is worn through then you will need to have it replaced, delaying this may result in further damage that may mean a whole new roof is required.
Your roof does a great job protecting your property and has a long life if it’s looked after correctly. As with all things they don’t last forever. Regular checks, maintenance and repair will ensure that you extend the life of your roof as much as possible.