In Brief
A ceiling in a sauna helps distribute heat evenly, and its necessity depends on the type of roof.
A single-pitched roof is simpler and cheaper but requires attention to snow removal.
A pitched roof is better at handling water and snow but is more expensive and complex to build.
Ceiling
Before discussing the differences between single-pitched and pitched roofs, let’s consider the role of a ceiling in a sauna. Warm air rises and accumulates in the highest areas of the sauna. Without a ceiling, the height of the sauna isn't equalized, so ventilation must be planned to move air in these upper zones. For pitched roofs, a ceiling is mandatory, while for single-pitched roofs, it’s optional. This allows for potential savings, though cutting costs isn’t always advisable.
Single-Pitched Roof
A single-pitched roof is simple to construct, making it a popular choice for DIY sauna builders. This roof type has a modern, minimalist look that complements contemporary gardens. A single-pitched roof directs rainwater in one direction, which is advantageous if you want to control where water collects.
However, it’s worth noting that a single-pitched roof usually has a slope of 5-10° and may be less effective at shedding snow. In regions with heavy snowfall, regular snow removal may be necessary to avoid structural strain or larger roof lumber dimensions may need to be used.
Pitched Roof
A pitched roof is a classic solution that works well in various climates. This type of structure effectively sheds both rainwater and snow, which is particularly important in regions with harsh winters. The traditional appearance of a pitched roof fits beautifully in rustic and classic garden settings, giving the sauna an elegant character. However, a pitched roof is typically more complex and costly to construct, which should be considered during the planning stage.