Steve thornton oct 27 2016.
How long does roofing felt last under tiles uk.
If it is a case that the felt has failed completely the only correct way is to replace it and i am afraid a roof refurbishment is often required after 40 years or more refelted with a breathable roof.
What s the lifespan of a felt flat roof.
Unfortunately these traditional felt roofs can fail quite quickly.
Many people have been led to believe that when roofers install roofing felt the shingles on your roof spring a leak the roofing felt will act as a waterproof preventing the water from entering your home.
Not all roof underlayment is the same.
How long does the tile roof last.
What can affect the duration of roof underlayment.
As the sarking felt can be easily damaged by strong winds it is advisable to wait for a period of time where the felt and battens can be fitted in quick succession during fair conditions.
According to multiform roofing ltd the tile roof s lifespan depends on the material used and its maintenance.
If it is that trades people on the roof over the years have put their feet through the felt small patches can be inserted in a v shape to the width of the trusses and stapled to the roof trusses internally over the lower strip and under the upper strip.
Other modern alternatives tend to be more durable although they re usually more expensive.
You can expect traditional roofing felt to last for about 30 years although this will depend on the conditions it s exposed to.
A well maintained tile roof.
During your annual roof check check to see whether any of your roof tiles are loose.
Of course you can get in touch with the experts at findley roofing building yorkshire for a free roof health check.
In the course of the water leaking through my roof onto the ceiling of a room i have been told that the roof felt underneath the concrete roof tiles is obviously the original felt ie 1970s and has gone brittle and awful with age and will need replacing entirely.
That s the headline quote but as we ll soon see this can vary a lot depending on a number of factors.
The general estimated lifespan of an underlayed roof is normally around 25 years.
Roofing felt usually comprises of a paper or fibre material that is coated with bitumen and a layer of gravel.
How long roofing felt lasts underneath your tiles will depend on the type used.
Depending on how bad the felt is i e.
How long does roofing felt last.
When you get your roofing felt replaced after it runs its course you should opt for a breathable underlay as these are a much better replacement for traditional felt which can cause.
The felt roof underlay is secured by nailing direct to the rafters and then held by the battens which will be fitted to secure the tiles or slates too.
In best weather conditions concrete tiles last for at least 50 years.
While weather conditions will play a big part in testing the durability of roof tiles the underlay will often need replacing every 30 40 years in order to maintain the integrity of the roof system.
They are also the least expensive.
On the other hand slate tile roofs last between 75 years and 200 years if you maintain them.