I am having the outside of my house rendered so everything has to be removed from the outside walls. This has all gone smoothly except for one solvent weld pipe (40mm), it has a right angle into the drain but its connected inside the wall which means the pipe work is too close to the wall to get the render behind. Is there any way to connect to the corner without digging out the wall or damaging the kitchen to bring it out 20mm.
Thanks

Steve Jones