ᐅ Drainage pipe for a thatched roof house.

We are renovating our thatched-roof house by adding an extension, which involves extending the roof. The original part of the house has a yellow drainage pipe all around it, but I’m not entirely confident in it. I often wonder how much it needs to rain before you can actually hear water flowing out of the pipe’s end piece. So my question is: does anyone know a better solution? Or is it safe to continue using the yellow pipe without worry?

Hello floor showcase

The HT pipes are only intended for indoor use. They are not suitable for outdoor applications. You should reconsider the connections to the HT pipe. In my opinion, it’s poorly done.
Also, the (yellow) HT pipes are not drainage pipes but wastewater pipes.

Steven

The yellow pipes are typical drainage pipes, right? And why don’t you trust them? It’s a proven system, although maintenance-intensive...

Could it be that the PVC pipes are usually installed inside, and that’s where the extension will be added?

Yes, first of all, thanks...
I also think that the yellow pipes are drainage pipes because they have small holes all around... The reason I don’t fully trust that is because over the past year, I have deliberately checked repeatedly during and after rain to see if water ever comes out at the end piece, but it never does...
Furthermore, yes, where the other pipes are running, the extension will be built right up to that area...
Once that is eventually finished, the drainage definitely needs to be inspected and run around at least once...

Hello floor display case

then you have suspenders with a belt. The drainage is obviously not necessary, but it never hurts. Even if it only serves as the last backup.

Steven

I don’t understand. ... the thatched roof will be extended over the extension. So, drainage is also necessary at the sides of the house there. ...