I've done a bit, eh?Banff Martin wrote:I'm curious as to your experiences with repairing/reinforcing igloos?
Those wind poc marks can be pretty deep sometimes and it does make a difference to thicken up the wall again. Sometimes when I've camped in them and they turn to a sheet of ice inside, the wall thickness doesn't matter as much. But then when the igloo warms up again and the ice layer is lost...Friday night I had to repair two man-made holes in one wall, though that was a quick thing compared to repairing the warm wind divot damage. It took me some time, but I filled in & smoothed out the exterior wall.
[quoote] I had less work to do inside, but as I saw the 1st level was tipping in a bit I also added some reinforcement to both sides inside of the entrance, so the floor reinforced the 1st level just before the unsupported door opening.[/quote]
The door has it's own sagging problems and anything to help there will help a lot. The bottom layer tipping in like that has always had me pointing the finger at a less dense snow used for the first layer but there are other Factors too.
I generally build my igloos on slanted ground or drifts and this ends up with very deep snow on one side of the igloo and down to the ground on the other side. Obviously, the ground ain't gonna sag much but the five feet of snow on the downhill side can't help but compress. I wallow into the snow down to the ground on that downhill side before I start shifting the snow from uphill. It all gets packed but it still sags and the igloo tilts.
The tilting isn't such a big thing but the boulders underneath the area are what really do the igloo in as it warps the bottom of the igloo and the igloo can warp/fold up.
But for your platform, I'm guessing that the edge went down a bit causing the very bottom to tip out. That takes away the support for higher the the rest of the block leans in because the igloo doesn't want to grow in diameter.
I reinforce the whole lower layer when that happens. Spots will cause uneven sagging much like my boulders. I just carry the true wall shape down to the floor.When I get back to town Monday I may add more of these supports around the igloo. I'll take & post a pic either way.
It should be a chunk of ice now.While finding the igloo damaged (almost certainly by a child with a branch) was frustrating, I feel somewhat reassured that the igloo is now too hard for 'easy' damaging. It had 12+ hours at -1 to -2 last night, and a few hours ago has returned to what should be permanent freezing temperatures. While a normal Icebox igloo should harden from freezing temps, I'm certain that my repaired/reinforced one will be much more so as the snow I was using was just barely snow and not slush! Even before it froze, the reinforced outside wall was much harder with this wet material.
At an event building an igloo to return the next day and find damage to the igloo.
Seems, a few guys got kick out of the local bar that is know for accepting some pretty rowdy behavior. Well, they took their frustrations out on the igloo.
A pile of landscaping wood beams nearby were used as battering rams and they were able to knock one big hole and a few small holes but the igloo stood strong.
Then... They found a discarded concrete footer some 12 inch diameter and 24 inches long. They somehow got it to land close to the top of the igloo. Ha, it broke the wall but the chunks of ice held the concrete.
Well, if it can be broken up into loose ice it'll work but the effort isn't always worth it.I made a point of doing everything that was needed, as once the available snow froze it would be lost to me - I presume it would turn to icy crystals and only useful for pad material.
Another event.. ha!
No snow and just below 70 degrees out, the event coordinator asks if I can build with crushed ice. I told him I'd try.
The crushed ice was very large chunks but did stick together. I built about five blocks before the warm air had it's way. The air flowed through the surface of the igloo and melted the contact points of the chunks of ice. The surface began avalanching off.
Sounds pretty luxurious.I can still stand up straight in the center 'hole' in this igloo, so it is still good enough. I cut in a trench just long enough to enter, leave 6-8", then remove a cube of snow from the center of the floor to create a spot for legs in a lounge setting. There are 6 padded seats in the igloo plus the freezer bag with log & pencil in it.
You are doing good with an ice igloo like that. Generally, it's to much work to knock it down much like the drunks I described earlier. I'm sure they ran out of steam.I made a point of smoothing out the outside wall so that it would be almost impossible to climb without cleats on. The pad is also smoothed down, with most of the footholds I used filled in.
Hopefully the igloo gets enough respect that it does well.