The power of the rain.

When it starts raining outside an incredible amount of water beats down on the roof of your house. Your house principally does the job of protecting your house and everything in it from this rain. Most roofs are sloped in order that the water can run off and prevent heavy collections of rainwater gathering in pockets all over the roof. If this were to happen the roof can become severely damaged and eventually holes will form where the rainwater once was (it would now be underneath the hole that has formed).

The damage that rainwater can cause.

If left to it