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The pex was purchased at Menard's. The label says 1/2" ID x 300' Oxygen Barrier Pex Type A *Common for open or closed loop radiant heat applications From what the label says, i should be good to go. I hope.

Hey Chris! From what the HVAC guy told me the Pex tubing without the oxygen barrier will let air/ oxygen bleed thru the tubing. that is what will cause the corrosion.... the oxygen barrier keeps oxygen/ air on the outside and does not let oxygen pass thru the tubing. I plan to put glycol in...

OK, thanks much for the info. Know who makes an aluminum or stainless boiler?

I did call the manufacturer, right before i posted here........ they aren't open on Saturday which is when I learned of the potential problem. Why you gotta be all that? isn't this forum about helping others? Sorry i'm bothering you. Just looking for helpful advice friend..... thinking some...

Thanks so much for the reply! How will the heat exchanger help? Or will that be a / the sacrificial element?

My concrete guy may have installed the wrong Pex tubing.... He put in tubing that does not have an oxygen barrier. Tubing is Sioux Chief PowerPEX 665XA. I now know it is not the 100% correct tubing to use for radiant heat setups per my HVAC guy, but can it be used? Below is what i copied off...

I used laundry detergent on my new driveway after the power steering on my dump truck let go.... I poured it on, swept it in a bit with a broom and let it go for a week or so till it rained. Cleaned it up pretty good.

My concrete guy is suggesting a sealer called Siloxane. Anyone heard of it? Any good?

No updates?

Is there a mathematic calculation that is used to determine the number of fans suggested? The Home Depot fan moves 9,600 cfm. My shop is 54x56x16 so it is approximately 48,000 cubic feet.... How many fans and where to place them?

Thanks guys for all the responses. Let me clarify my question if I can. Current proposed setup from the outside of the building to the inside is as follows: Outside Metal Panel 6" Fiberglass Insulation Plastic Vapor Barrier (like thick painters plastic drop cloth) Vertical 2x4 nailer's spaced...

Can you elaborate on why no to wiremold? I'm leaning toward installing this in my workshop area? Seems to be pretty flexible for moving thins around, no?

Okay. Thanks a lot!

I just heard from insulation guy says "definitely NO"! due to moisture issues..... He's supposed to put it in writing.... i'll see what he says.

Good Morning All! I'm in the process of finishing the inside of my new pole building.... Currently, between the 8' on center columns there is batt insulation installed with a vapor barrier to the inside of the space, then metal panel from the floor up 4', open space up the next 8' (that will be...

Awesome! I will do that. Not been there much lately winter fun, snowmobiling and skiing the next couple long weekends! That's why progress has been kinda slow.... Meeting with electrical contractor Monday a.m.!

Building itself is almost done. Next to do, and not part of building cost. Overhead doors, 3 Electric and lighting Heat Pex for radiant heat Propane boiler Cement All total, my guess is that I'll have $175ish when completely done.... No new pics.... Will get some up soon! Thanks for continuing...

Now that's going to be a sick build! I can't wait to see it!

I just read thru all of this and get to the end.... No payoff! Any updates to this? Got pics? What does / did the light meter say. This was like reading a murder mystery and the last chapter was missing!

The idea of tongue and groove really appeals to me.... I may do the same thing in 3/4" plywood. But I really like the 3/4" MDO.... I'm hitting the home improvement stores this weekend to price out all options.... I only need 26 sheets, so in the grand scheme of things even a few $'s more a...