DougB
Member
I want to cut out a section of cast iron waste pipe, and before doing so, install a riser clamp on the floor above.
The pipe is 3 1/2" OD - I figure this is what they call 3" waste pipe?
All I've been able to find on the net (and Grainger) are 3" riser clamps. What do you think?
The pipe is 3 1/2" OD - I figure this is what they call 3" waste pipe?
All I've been able to find on the net (and Grainger) are 3" riser clamps. What do you think?