- Jan 1, 2011
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Quote:
Wait, below 0 is most extreme? Can you come tell that to my weatherman please?
The shavings work on the same principle as a thermal shirt (the waffled kind). Air trapped between the shavings will have a warmer thermal mass than just the air. Sand has less air space, so it's less likely to help maintain a consistent heat.
This is why having wood in your shop won't help- the wood bits are VERY tightly packed when in tree form, so there's not much air trapped and insulated in each plank.
For a sand-based example, go to the beach in the summer- the sand is scorching! but at night, it's almost chilly. Stick your hand in a bucket of shavings and it's more likely to be consistent day and night, because it can retain and release heat more evenly because it has air pockets.
I don't think it's substantial enough to have a make it or break it effect though.
Anyways, OP, if you DO decide to free range, don't expect that the first couple nights they'll parade nicely back to the coop at dusk- be there to round them up for a few days. After they get the knack of it, as long as they have enough space and things to keep them busy, they're not terribly likely to jump the fence. Even with the fence, don't forget that hawks are predators too, though. You always take a risk free ranging unmonitored, but provided that you minimize risk, you'll be fine.
Wait, below 0 is most extreme? Can you come tell that to my weatherman please?
The shavings work on the same principle as a thermal shirt (the waffled kind). Air trapped between the shavings will have a warmer thermal mass than just the air. Sand has less air space, so it's less likely to help maintain a consistent heat.
This is why having wood in your shop won't help- the wood bits are VERY tightly packed when in tree form, so there's not much air trapped and insulated in each plank.
For a sand-based example, go to the beach in the summer- the sand is scorching! but at night, it's almost chilly. Stick your hand in a bucket of shavings and it's more likely to be consistent day and night, because it can retain and release heat more evenly because it has air pockets.
I don't think it's substantial enough to have a make it or break it effect though.
Anyways, OP, if you DO decide to free range, don't expect that the first couple nights they'll parade nicely back to the coop at dusk- be there to round them up for a few days. After they get the knack of it, as long as they have enough space and things to keep them busy, they're not terribly likely to jump the fence. Even with the fence, don't forget that hawks are predators too, though. You always take a risk free ranging unmonitored, but provided that you minimize risk, you'll be fine.