| What is my Terrain Category? |
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Terrain Category is a measure of the wind-breaking effect of the terrain
surrounding the site where you are building a shed. The more your building site is surrounded by trees,
other buildings, etc. the less exposed it is to the full force of the wind.
Below is a guide to assist
you in your selection. If you are not sure of your
terrain category, be sure to check with your local council.
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When comparing shed prices be sure you check that other companies
have given you a quote on your correct wind region and terrain category.
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Terrain Category 2 - requires the strongest shed |
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Open terrain, grassland with few, well-scattered
obstructions having heights generally from 1.5 m to 10 m. |
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This is the most common terrain category for the likes of airfields and open farming land.
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| Terrain Category 2.5 - intermediate between 2 and 3 |
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Use this in semi-open terrain. |
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This condition is very common in rural areas.
Terrain with few trees, isolated obstructions such as agricultural land, cane fields
or long grass, up to 600mm high.
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Reduces the design wind speed below Terrain Category 2. |
Terrain Category 3 - requires least shed strength |
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Terrain with numerous closely spaced obstructions
3 m to 5 m high such as areas of suburban housing. |
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This is the most common terrain category in suburban and wooded
areas. |
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This will produce the least expensive shed.
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