Use a mortar mix of 6 parts sharp sand to 1 part cement. Mix together with just enough water to make it damp and workable, but not overly wet and runny. Furthermore, how much sand and gravel do I need for patio? Allow about a third as much in cubic volume for sand as you buy of gravel.
For 1. Brick pavers are most often 4-by-8 inches. This works out to 4. The recommended depth of sand for laying pavers is 1 inch. Once the area is prepared, it's time to lay the paving slabs. The actual mortar bed needs to be individually prepared for each flag dependent on its thickness.
The bed will consist of a semi- dry mortar mix , using 4 parts sharp sand to 1 part cement. You can also type the area directly into our paver sand calculator. Decide how thick the layer of sand will be. Let's assume a depth of 1 inch. How much sub base do I need for a patio? How deep should my sub-base be? How much cement do I need for a patio? Enter the size of the slab you want to build in square feet. All yields are approximate and do not include allowance for uneven subgrade, waste, etc.
How much Type 1 do I need for a patio? MOT Type 1 DTp1 forms the sub-base for all paving projects, for both patio paving and driveway paving. It is usual to lay MOT Type 1 at a compacted depth of mm for most patio projects and at a compacted depth of mm for most domestic driveways.
Find out more below. The sub- base layer consists of crushed limestone. This initial layer helps assist with drainage and also forms a firm, solid base. The sand is only there to blind the top of your sub-base, so it should be firm. You might want to compact the sand down to provide as smooth a surface as possible. Your sand should come level to the top of the timber edging you have inserted around the perimeter. Weight needed.
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