Quick Answer
Building an igloo on a slope provides a natural snow wall at the back, reducing the amount of snow needed and simplifying the construction process, while also offering better drainage and reduced wind impact.
Reducing Snow Requirements
Building an igloo on a slope can save up to 30% of the snow required, as the natural slope takes the place of the back wall. This is particularly beneficial in areas where snow is scarce or difficult to access. To take advantage of this, it’s essential to position the igloo at an angle that allows the snow wall to form naturally.
Enhanced Drainage and Reduced Wind Impact
A slope-based igloo offers better drainage due to the natural slope, which allows snowmelt to flow away from the structure. This reduces the risk of water accumulation and flooding inside the igloo. Additionally, the slope acts as a windbreak, reducing the impact of harsh winds and preventing the igloo from being exposed to the full force of the elements. This is particularly important in areas prone to high winds or blizzards.
Construction Techniques
To build an igloo on a slope, start by selecting a site with a natural slope of around 30-40 degrees. Use a snow saw or a sharp-edged shovel to cut blocks of snow from the face of the slope, then begin constructing the igloo as you would on flat ground. Be mindful of the angle and adjust the blocks to maintain a stable structure. By leveraging the natural slope, you can create a robust and efficient igloo that provides excellent protection from the elements.
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