Radiant tube in mud bed

John@WattsRadiant

I agree - the tubing won't move when embedded in a mud bed.
If you're not comfortable with that concept, Mapei makes a plastic lath. Check them out at www.mapei.com
John

Andy Morgan_2

Installing radiant in mud beds

I have done a lot of staple up and reflective plate installs, and some quicktrac, but not in mud beds for tile.

What is the procedure for installing the tube? The tile guy wants his diamond wire mesh staples to the subfloor, then the tube stapled down and then he will mud the whole thing.
I am concerned that if there is any movement in the tube
It will eventually get cut by the diamond wire. Both Wirsbo and Embassy say it will not be a problem, but I still have not convinced myself that it won't be a problem.

The second area involves a rubber membrane for a handicap shower (the membrane is actually going under the whole bathroom). There is no acsess from below so the tube must be on top of the floor. I am guessing that I will staple the tube to the floor and then put the membrane on top of the tube.

What are your thoughts?

Thanks

Andy Morgan

R.Morgan Mechanical, LLC

John T_2

shower pans

The plumbers we work with want a smooth surface for their shower pan (pvc membrane). We use quicktrak on the subfloor and they put their pan in after. As far as the diamond mesh we staple down 5/16 wirsbo tube after the mesh is in place. I don't see it as a concern. But I guess only time will tell. I have heard of a plastic mesh someone was making, but have never used any.


John Taylor

Custom Climate Systems, Inc.
Whitmore Lake, Michigan

Bob Bona_4

ah.

I had the exact same concern on a job last year. Called Wirsbo and they said the tube is pretty captive, and it wasn't too much of a concern. Made me feel better...although I still tend to obsess over stuff like that..

I'm still trying to go through life in a relaxed state while worrying about where the flashing on Quiktrac meets the tube..:)

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Tony_8

I'm glad

I'm not alone. My "crown jewel" job in the last 5 yrs was for a guy who knew enough to be a PITA to anyone who would let him. Being as anal as I am in my work, he never caught up to me to question my methods, I was always a step ahead. Strictly nature. I and an old fashioned mason were the ONLY contractors that lasted the whole job. We've both gotten more referrals from him than from 10 others combined and gained a great deal of visible respect from our peers. I have gotten past the question of the size of aggregate in a concrete rad floor That won't move either!;)

Bob Bona_4

are

you the type to drive home from a job, a seed of a thought pops into your head, and then then you turn around, drive back-no matter how far it is, to verify/satiate that thought, Tony?

Been there done that:)

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Tony_8

usually

I'm all the way home first. I hardly ever leave something w/o being satisfied as to it's state. Getting better though. I DO fix a lot of simple mistakes made by others because they were hurrying or just didn't take "the pains" to do it right.