Is felt really that important and what is roofing felt anyway.
Roof felt repair under tiles.
Having a layer of roof felt will block the resin preventing it from staining or compromising your roof shingles.
If your roof is leaking it is not because of faulty under felt.
It would be far cheaper to fix the faulty tiles than to re felt the roof.
Where wind driven rain is working under the roof and causing leaks then the felt will need to be replaced.
The cost of replacing roof felt under tiles will be included in the overall tiled roof roof repair costs.
When to use roof underlayment no matter what type of asphalt shingle you are using whether traditional or more robust styles such as under premium designer architectural and performance shingles it is recommended to use a underlayment.
It is because you have faulty tiles somewhere on the roof.
Two layers of astm 30 pound asphalt impregnated felt is the minimum you should use under tile and should last 20 to 30 years.
This will cost around 460 510 made up of.
Item 656632 model 0903000.
Of course re felting the roof correctly will involve the removal and replacement of the tiles anyway.
To replace a small section of roofing felt involves stripping the tiles from the roof and replacing felt between two joists.