Blocked basin waste pipe

[pennelldj]

Hi Guys, in the process of installing the basin sink after renovating the bathroom.

I covered the exposed basin waste pipe but it seems some debris has got inside the pipe as it appears to be blocked and draining very very slowly.

Having tried to move the blockage using a auger, no joy, I would have just lifted the floorboards and take the pipe out but its a tiled floor.

My question is, the soil stack is on the outside wall, and both the basin and bath waste pipes connect to it outside ofd the wall, I have attached a very primitive drawing.



Could I disconnect the waste pipe from the soil stack from the outside wall and see if I can clear the blockage that way? If so is this best left to a plumber? any advice much appreciated

cheers

 

[seco services]

yes remove from stack.
depending on how it's secured to stack maybe solvent welded to stack

 

[pennelldj]

Would that mean id have to cut it off and attach a new one? never heard of solvent welding

 

[seco services]

if it's solvent welded pipe.
you can't pull that apart.

 

[pennelldj]

OK i think a further inspection is needed in the daylight

You have any tips on clearing the blockage? it might be lumps of plaster or tile adhesive so no chemical will dissolve it

 

[seco services]

only a good old poke with the auger.
or fit new section of pipe if not to awkward.

 

[pennelldj]

Took a picture of the fittings outside, does it look liek these are welded or push fit?

 

[seco services]

no looks like all pushfit. but cause they are external you pull them off and the rubber seals can split and end up getting new anyway.
as for the pipe when it comes out the wall has a screw cap that is for rodding for blockages id unscrew that first.

 

[pennelldj]

Brilliant thanks for your help ill take a look at it ASAP