Sealing a 80mm PVC pipe from outside that I missed
mtbotrev,
Apr 24, 9:13pm
Hi. dumb question I know but how can I seal a joint of two sections of pipe. I ran a 6m length off a downpipe and then various angles and sections to get to a sump and forgot to seal the inside using Marley welding cement of one section and I cant pull it apart! Can I seal it from outside. or how could I separate it.
I was hurrying at the end and lost sequence and joining marks.
Thanx
happychappy50,
Apr 24, 11:51pm
Try running ms or an acrylic adhesive around the joint then a couple of pop rivets so it won’t separate
johotech,
Apr 25, 12:03am
Yes, the Marley cement will work on the outside. But if there is any flexing of the pipe, it could break the seal again.
mtbotrev,
Apr 25, 10:04am
Thanx for both thoughts. I will do both and reduce pipe flex.
budgel,
Nov 20, 7:03pm
If the pipe isnt meant to stay full of water, dont worry about it. It will only leak a little if it is raining anyway. Downpipes need to have a means of coming apart for flushing, access etc.
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