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Minimum base sizes
8ft wide Greenhouse
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 external width (A) and the second dimension is the external length (B). The width refers to the angled gable wall.
8'7" x 8'7" GREENHOUSE = minimum base size 2610mm wide x 2610mm long (8'7" x 8'7")
8'7" x 12'8" GREENHOUSE = minimum base size 2610mm wide x 3850mm long (8'7" x 12'8")
8'7" x 16'8" GREENHOUSE = minimum base size 2610mm wide x 5080mm long (8'7" x 16'8")