Warehouse heat???

Dave_13

Have a chance to do radiant slab in a 60,000 Sq. Ft. warehouse. It will store Medium Density Fiberboard. Most packages are 4X8, 40 pieces, strapped up. They sit on Bunks (4X4,s) to keep them off the ground. They are elevated off the concrete about 4". These things will be all over except in the lanes the forklifts will drive. Does anyone see a problem with this? I'm concerned about the heat transfer with these things this close to the ground. Is this a bad application for radiant? Thanks.

J.C.A._3

Just a Snide remark.....

I would be worried MORE about humidity and roof integrity, than temp. of the facility.Make sure that the ground water isn't going to affect heating the space...(insultarp,and or a barrier to make sure it don't happen)

If the height and construction are taken into account, I wouldn't be worried at all. With something that is so prone to water,(ever seen what this stuff looks like after a little soaking?)I would be more worried about the humidity and ceiling/roof integrity.

I'm sure the workers will appreciate it. Go for it . Chris

Joel_3

wood

i just layed out the same thing for exotic hardwoods. As long as it's not stcked right on the ground ithink It would work . Check with your manufacter. We are also doing a A/C system for humidity controll

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hr

Crunch some numbers

I concerned that you would have enough uncovered slab to meet the load!

It's called "available floor area" You need to divde out the area that will be covered with bunks of sheet goods, and see if the remaining slab is capable of heating the space.

Kitchen cabinets, thick area rugs all limit the output of a slab. I wonder that piles of wood, considering their R- value, wouldn't act the same. Adding a 4" air space underneath the piles, would also be an R-value to consider.

Chapter 10 in "Modern Hydronic Heating" shows the formula for this calculation. Might want to hire a licensed PE with hydronic know how to stamp this plan

Sounds like a prime candidate for ceiling radiant

hot rod

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Dave_13

Thanks!!

This is true. These loads only contact the floor with 3 4X4 bunks per lift, but they will probably cover most of the warehouse. Taht's why i wondered about the floor output with so many of them all over. Hmmmmm- more thinkin to do!!!