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Stafford | Telford | Bradford | Walsall | Bewdley | Cannock | Pudsey | Wakefield | Halifax | Chester | Northwich | Crewe | Nantwich | Frodsham | Liverpool | Manchester | Paisley | Livingston | Fordhouses | Taunton | Yeovil | Sherbourne | Bath | Bristol | Sometset | Gillingham | Exeter | Tiverton | Minehead | Glastonbury | Shaftesbury | Warminster | Martock | Somerton | Winscombe | Chedder | Westbury | Lyme Regis | Llminster | Exmouth | Kenilworth | Rugby | Droitwich | Bromsgrove | Bewdley | Bilbrook | Hinckley | Ludlow | Uttoxeter | Block Paving Crewe | Driveways Block Paving Company Crewe Aspects of block paving with which you may not be familiar: A damp proof course – or DPC – may be important when it comes to block paving. This is the horizontal barrier in the wall of a house or another structure designed to ward of moisture so as to prevent rising damp. A DPC can take more than one form. However, they all serve the same purpose. There may be a limit below the DPC in a structure above which block paving Crewe should not be laid if it is laid near or beside the structure, but this is usually no more than 1.5 centimetres. You should consult your paving expert to ensure that this is the case or that any issues pertaining to the DPC are resolved. A weed fabric may be laid under your block paving. This will prevent weed growth from springing up between the bricks of your surface. Scalpings are then added – again, the measurement of 1.5 centimetres is important here, as the scalpings should be between one and 1.5 cm. When the sand is added atop this surface, it must be flattened. The use of a vibrating plate may be good here, as it will effectively “iron” out any pockets or lumps in the sand. The weight of the bricks – or any weight resting on top of them – could cause any such pockets or lumps to collapse, and one of the bricks could then be depressed into the surface. This could be very bad news if the block paving surface was used as a parking space, for example. Your block paving crewe expert will be familiar with all of the details that pertain to drainage and excavation levels. Bricks must be laid as closely to each other as possible – and, like a wall – the bricks should have their joints overlapping with one another in order to maximise the structural integrity of the surface. 26.5.11. |