How To Fix A Leaking Tiled Roof From Inside. Storm damage to roofs is a major cause of leaks and this project shows you how to fix these leaks and help to prevent further. Put some water on the roof in different places and watch where it runs, or ponds.
If you are trying to keep the heat in the property, then you would be far better off filling the roof space with around 280mm of loft insulation and insulating any pipes and tanks there against freezing. The other will need to wait patiently in the attic with a bucket, whilst the person on the roof floods the space with a hose. How to fix a leaking roof vent pipe.
You can always bodge things by felting on the underside of the rafters but you can't then dress this felt into the gutter at the bottom, it will weather back into the loft at the bottom of the felt, not much use.
If a leak is difficult to find, enlist a helper and go up on the roof with a garden hose. Climb a ladder and inspect the roof looking for any damage or cracks in the roof. Simply point the nozzle of the container and apply where needed. When your roof starts leaking, you need to start looking for the source of the leak.