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The Greenhouse Base CalculatorThe greenhouse base calculator can be used to determine the quantities of sand, cement and bricks that are required to prepare a suitable base for your greenhouse. Simply enter the size (the length and width) of the greenhouse that you are considering in millimetres in the boxes below and the calculator will estimate the quantities of materials that are required. As a minimum we recommend that the footing for the greenhouse be a minimum of 100mm deep by about 300mm wide but you may choose to make this more substantial depending on local ground conditions. We recommend the greenhouse sit on a simple concrete footing with a single course of brick on top. The idea of the brick is to lift the glasshouse above the overall ground level. By preparing a footing your options are left open as to what you do inside the greenhouse. You may opt to put a path down the middle of the greenhouse and grow from the ground either side of this. Whatever you choose to do inside the greenhouse it is a good idea to allow for some drainage - for example free draining soil under the staging can be made good with stone chippings. Enter the greenhouse dimensions and the calculator will give you a guide as to the quantities of materials that will be required. |
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Materials Required for Footing
| Cement | 48 | KG | (Usually supplied in 25kg bags) |
| Sand | 134 | KG | (Usually supplied in 25kg bags) |
| Gravel | 285 | KG | (Usually supplied in 25kg bags) |
| Water | 17 | Litres |
Quantity of bricks required *
| Bricks laid end to end | 37 | NO. | |
| Bricks laid side by side | 112 | NO. | (ie. Header Course) |
choose to lay them end to end or side by side.
Superior Cedar Greenhouses Tel: 0845 434 8897
gabriel ash: monument farm, farndon, chester, ch3 6qp enquiries@gabrielash.com
