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Over/Under on how many flat top roofs collapse with the snow
Posted on 1/20/25 at 9:02 am
Posted on 1/20/25 at 9:02 am
Snow weight ranges are anywhere from .26lbs psf for fluffy snow to 1.74lbs psf for wet snow. That means a 40x20 building will have anywhere 2000lbs to 8300lbs of snow on it. Can these builds hold up?
Snow weight calculator
Snow weight calculator
Posted on 1/20/25 at 9:05 am to ThatTahoeOverThere
quote:
2000lbs to 8300lbs
I know most of our bedframes can handle that kind of weight, but roofs? That I don't know.
Posted on 1/20/25 at 9:05 am to ThatTahoeOverThere
What about regular pitched roofs in south Louisiana?
Posted on 1/20/25 at 9:07 am to ThatTahoeOverThere
I'll set the total at .5, I'll take the over, you have the under.
I'll send you my venmo
I'll send you my venmo
This post was edited on 1/20/25 at 9:08 am
Posted on 1/20/25 at 9:12 am to ThatTahoeOverThere
Snow weighs around 20 pounds per cubic foot, or 1.25 pounds per inch of depth. However, the weight of snow can vary depending on the type of snow and its moisture content.
Light and fluffy snow: Weighs the least, about 4 pounds per square foot
Normal snow: Weighs about 6 pounds per square foot
Wet snow: Weighs the most, about 13 pounds per square foot
Light and fluffy snow: Weighs the least, about 4 pounds per square foot
Normal snow: Weighs about 6 pounds per square foot
Wet snow: Weighs the most, about 13 pounds per square foot
Posted on 1/20/25 at 9:14 am to ThatTahoeOverThere
quote:
Snow weight ranges are anywhere from .26lbs psf for fluffy snow to 1.74lbs psf for wet snow.
How on earth are they measuring snow per square foot?
At what thickness? Zero?
quote:
A cubic foot of snow weighs around 20 pounds, but the exact weight depends on the moisture content of the snow. The weight of snow can range from 1–21 pounds per cubic foot
Most flat roof are designed to hold some water.
quote:
A cubic foot of water weighs approximately 62.4 pounds
This post was edited on 1/20/25 at 9:16 am
Posted on 1/20/25 at 9:16 am to Shexter
quote:
Most flat roof are designed to hold some water.
quote:
A cubic foot of water weighs approximately 62.4 pounds
Yeah but those roofs also drain. Snow doesn't drain
Posted on 1/20/25 at 9:18 am to ThatTahoeOverThere
If it starts piling up just spray it off with the hose
Posted on 1/20/25 at 9:18 am to ThatTahoeOverThere
quote:
Yeah but those roofs also drain. Snow doesn't drain
Let's say 3" of standing water
12"/4 = 3"
62.4/4 = 15.6 pounds
Posted on 1/20/25 at 10:26 am to ThatTahoeOverThere
Your roof won't collapse but your floating swamp house may sink lol
Back in the 80s we got 20 inches of heavy wet snow and the 200 boat floating marina began to sink. A crew of teenagers had to remove the snow in such a way that it wouldn't cause the whole thing to buckle.
Teenagers were way more capable back then. The algebra nerds directed the jocks and got shite done
Back in the 80s we got 20 inches of heavy wet snow and the 200 boat floating marina began to sink. A crew of teenagers had to remove the snow in such a way that it wouldn't cause the whole thing to buckle.
Teenagers were way more capable back then. The algebra nerds directed the jocks and got shite done
Posted on 1/20/25 at 10:32 am to ThatTahoeOverThere
quote:
1.74lbs psf for wet snow. That means a 40x20 building will have anywhere 2000lbs to 8300lbs
1.74lbs per sqft
40x 20 = 800 sqft
800x 1.74 = maximum of 1,392lbs
Am I stupid or missing something? That's nowhere near 2,000-8,000
Edit: It would essentially go up 1,000lbs per 1" of snow accumulated. So I guess if you have 2"-4" it can be 2,000-4,000lbs but I highly doubt we get 5"-8" on roofs for it to reach that 5,000-8,000lbs mark
This post was edited on 1/20/25 at 10:38 am
Posted on 1/20/25 at 10:35 am to ThatTahoeOverThere
I think this may be the biggest overreaction to any weather event I’ve ever seen.
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