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Advantages and Disadvantages of Block Paving
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Advantages of Block Paving

Advantages and Disadvantages of Block Paving – Advantages

  • There is a wide range of styles, types, colours and sizes of block pavers hence there are also many design possibilities.
  • Block paving is considered to be more attractive than basic, plain tarmacadam surfaces for driveways.
  • Block paving can be relatively inexpensive if you choose the basic rectangular blocks. One major block paving manufacturer estimates the costs as being split 20% blocks, 80% labour, hard core and sand. Basic blocks can be purchased from £8 or £10 per square metre up to over £20 per metre, so overall costs should be between £50 and £100 per metre. However, complex patterns and additional items such as edging, steps and drainage can be added to these figures.
  • Individual blocks can be lifted and replaced if they are damaged, or stained with oil, diesel or petrol spillages.
  • Because paving blocks are manufactured rather than cut from natural stone, block sizes tend to be very accurate and uniform.
  • No specialist machinery is required (as there is with tarmacadam surfaces) hence small areas should not be proportionately more expensive per square metre, as when there are high set-up costs.
  • Concrete block paving is cost effective when compared to clay pavers or natural stone blocks such as granite setts.
  • There is a wide choice in the depths of concrete block pavers from 50 mm to over 100 mm. This can make block paving suitable for both domestic and commercial applications.
Advantages & Disadvantages of Block Paving - Large kerb stones used as a border on a block paved driveway
Large kerb stones used as a border on a block paved driveway

Disadvantages of Block Paving

Advantages and Disadvantages of Block Paving – Disadvantages

  • Concrete block paving can be expensive if specialist blocks such as tumbles or those imitating natural stone setts are chosen.
  • Inadequate and poorly prepared sub-bases can result in block paving surfaces sinking in high use areas such as those which regularly take the weight of cars.
  • Areas without properly installed edging restraints or kerbs to picture frame the driveway and provide integrity to the surface can cause the blocks move, opening up gaps.
  • Weed and moss growth can occur between the blocks as airborne seeds settle into the sand. This can look unsightly and needs to be cleaned out regularly.
  • The colour of some less expensive block pavers can fade over time due to exposure to Ultra Violet light.
  • Because no expensive machinery is required to lay block paving, many block pavers tend to be individuals working from home rather than established businesses which can provide a professional service backed up by credible warranties. Low machinery set up costs can invite inexperienced and unqualified paving installers into the industry.
  • Unless permeable block paving is used, which allows surface water to drain through drainage systems need to be installed at additional cost to the surfacing materials.

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Advantages & Disadvantages of Block Paving - Efflorescence on Block Paving Driveway
Efflorescence on a Block Paving Driveway
Advantages & Disadvantages of Block Paving - Weeds and Moss on a Block Paving Driveway
Weeds and Moss on a Block Paving Driveway

Advantages and Disadvantages of Block Paving