How to repair roof felt from inside loft

Question

I’ve spotted a tear in the felt while up in the loft. Is it possible to patch this from the inside or do the tiles need to come off?

James · Accepted Answer

Hi so in regards of fixing the torn felt the tiles would need to come off as felt cannot be repaired from inside the loft as it would leak afterwards

Luke · Answer

You cannot repair it from inside because the water when the water if it leaks down your roof, it will come through the repair. What I recommend is takeoff tiles on top and remove the tear felt and replace with new that’s the only way you do it

Dean · Answer

The tiles would need to come off as the felt needs to be overlapping and spread across at least 3 rafters tonprevent leaking

Geoff · Answer

No, tiles and lathe need to be removed. New membrane needs to cover tear and under lap felt above to ensure no water ingression

Paul · Answer

Yes it is possible to repair internally
However this would only be deemed as a temporary repair. 
Unfortunately the correct repair would include removing existing tiles, battens and underlayment. .

How to repair roof felt from inside loft

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