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Minimum base sizes
Floor plan
- We recommend that your base should be no smaller than the minimum base size listed below and no more than a few inches larger.
- The first dimension listed is the depth and the second dimension is the width. The depth refers to the angled gable walls to each side. The width refers to the front and rear walls including the door wall.
- 6'x18' minimum base size 1778mm x 5436mm (5'10" x 17'10")
6'x20' minimum base size 1778mm x 6046mm (5'10" x 19'10")
6'x22' minimum base size 1778mm x 6656mm (5'10" x 21'10")
6'x24' minimum base size 1778mm x 7226mm (5'10" x 23'10")
6'x26' minimum base size 1778mm x 7874mm (5'10" x 25'10")
6'x28' minimum base size 1778mm x 8484mm (5'10" x 27'10")
6'x30' minimum base size 1778mm x 9093mm (5'10" x 29'10")
- 8'x18' minimum base size 2388mm x 5436mm (7'10" x 17'10")
8'x20' minimum base size 2388mm x 6046mm (7'10" x 19'10")
8'x22' minimum base size 2388mm x 6656mm (7'10" x 21'10")
8'x24' minimum base size 2388mm x 7226mm (7'10" x 23'10")
8'x26' minimum base size 2388mm x 7874mm (7'10" x 25'10")
8'x28' minimum base size 2388mm x 8484mm (7'10" x 27'10")
8'x30' minimum base size 2388mm x 9093mm (7'10" x 29'10")
- 10'x18' minimum base size 2997mm x 5436mm (9'10" x 17'10")
10'x20' minimum base size 2997mm x 6046mm (9'10" x 19'10")
10'x22' minimum base size 2997mm x 6656mm (9'10" x 21'10")
10'x24' minimum base size 2997mm x 7226mm (9'10" x 23'10")
10'x26' minimum base size 2997mm x 7874mm (9'10" x 25'10")
10'x28' minimum base size 2997mm x 8484mm (9'10" x 27'10")
10'x30' minimum base size 2997mm x 9093mm (9'10" x 29'10")
- 12'x18' minimum base size 3607mm x 5436mm (11'10" x 17'10")
12'x20' minimum base size 3607mm x 6046mm (11'10" x 19'10")
12'x22' minimum base size 3607mm x 6656mm (11'10" x 21'10")
12'x24' minimum base size 3607mm x 7226mm (11'10" x 23'10")
12'x26' minimum base size 3607mm x 7874mm (11'10" x 25'10")
12'x28' minimum base size 3607mm x 8484mm (11'10" x 27'10")
12'x30' minimum base size 3607mm x 9093mm (11'10" x 29'10")
- 14'x18' minimum base size 4217mm x 5436mm (13'10" x 17'10")
14'x20' minimum base size 4217mm x 6046mm (13'10" x 19'10")
14'x22' minimum base size 4217mm x 6656mm (13'10" x 21'10")
14'x24' minimum base size 4217mm x 7226mm (13'10" x 23'10")
14'x26' minimum base size 4217mm x 7874mm (13'10" x 25'10")
14'x28' minimum base size 4217mm x 8484mm (13'10" x 27'10")
14'x30' minimum base size 4217mm x 9093mm (13'10" x 29'10")