soil pipe waste pvc clay

Hi, I want to install an en suite at the back of the house (WC and Shower), with another planned in the loft at a future date. In order to do this, I want to install a 4 inch down pipe onto the back of the house and join it into the current manhole/drain that is already there. I have a couple...

Hi everyone. I tried searching everywhere on internet regarding this but no luck in finding anything hence why I'm here. Basically I need to connect a new 110mm pvc soil pipe into an old clay y piece which will be underground. I know I could use the special coupler for pvc to clay but I need...