A question for the Mad Dog(mk)

Mike Kraft_2

I read your @ home threads.I see you ran your DWV in hubbless iron.I am assuming it is all service wieght.I do all my DWV in PVC.I have a new home I will be doing.PVC is classic Archie Bunker audible.Is the hubbless quiet?I would hate to upgrade only to find it to be heard.I have a DIYer that I did a job for a couple of years ago.He purchased some insulation for sound.It is used in firewalls of cars.This worked quite well.We did have the stack coming down a chase so it was easy to wrap.I dont know the lay of the land as of yet.Just wondering......tought I'd ask.

One more thing:)The picture you posted of the burst braided no burst supply.That really got my attention!I have been using them and am now reconsidering.I have been using them because of the Aqua pex I rough with.I find the slack they offer from stop to fixture acts as a bit of a shock absorber.The rigidity of a typical speedie has offered me drips on tank connections.I have been requesting that Wirsbo make a dropp earred ell for 3/8"FM.That is my **** with using aquapex.The IPS nipples allow me the asthetics of various trim flavors.And the reliability of a solid connection.I won't use the CU transition risers........in well conditions it defeats the purpose of me selling aquapex.

But my question.Was that burst line on hot or cold?Was there a thermal expansion tank in the home?It may have been the thermal weak link!

cheese

Mike Kraft_2

bump

up

hr

Cheese

at the very least pipe the drainage risers in no-hub cast. Insulated PVC doesn't quiet the pipe like using cast iron does. It's a small price increase for piece (or peace of mind Transition couplings are available for this connection.

The next best method is to enclose the drainage stacks in a 6" wall so they don't touch the sheetrock. This will really transmit noise. The flush heard around the world!

hot rod

hot rod

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bob young

cast iron

cast iron is the only way to go. plastic is o.k. for venting circuits

ScottMP

Cheester

We offer it as an option for a new house and most go with it when we tell them why. Its done alot around here with nicer homes and as HR said its not much more.

Cast iron is definatly more quieter.

Chowda

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Mad Dog

It was on the cold, buddy

but I've seen em go on both. "Iron" is always quieter than pvc. Extra heavy of course is quieter, but I've never heard of extra haevy no-hub -it would probably be special order. You could a;lways cut the hubs off if you are fanatical about sound. Mad Dog

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