Laying Block Paving

Block paving is available in many different styles and can be laid using a variety of styles depending on the individual type of paving you have chosen. We believe in offering our customers as many choices as possible when it comes to choosing the color, outlook and design layout of their new driveway, patio or paths.

This is why we offer actual samples of the blocks so you can choose the one that you feel would best suit your surroundings. Of course, we can help you with that choice and give you the benefits or negatives to such a choice. We believe when it comes to laying a new driveway with block paving, our team is one of the best prepared teams in the business.

Site Preparation

All our block paving is laid on a firm, level and well drained base to ensure long term service and stability – getting the ground work right is essential.

We start this process by excavating the area. If it is an existing driveway area, we will excavate away the surface and inspect the existing base foundation. If it is of good standing, we will normally apply a 6 inch base of Type 1 MOT on top of it. If it is not in good condition or is originally a garden area, we generally apply a minimum of a 10 inch base to ensure a solid foundation.

Edge restraints (if required)

The next stage is to set up edge restraints around the area to be paved (these may include existing walls) using block kerbs or concrete edging. The kerbs or concrete edgings are bedded into 100mm of concrete, to the required level, with a 45 degree haunch up the side of at least half the block or kerb height. This is essential to prevent the blocks and the sand on which they are laid from moving.

Underground drainage, aco drains or similar drainage including inspection chambers are installed at this stage if required.

The area is then to be back filled with 150mm of crushed stone, compacted to 100mm.

Sub-base

Onto this, a layer of slightly damp grit sand (grit sand is more free draining than normal sand and is less prone to being washed out) is applied, to the depth of 50mm, and then compacted with a plate compactor. A second layer of grit sand is then applied, to a depth of 20mm. This second layer of sand is levelled to the correct falls.

Laying – the block pattern

The laying of concrete block paving should always begin from the bottom of any slope, preferably starting from a right angle or a straight edge. Working from several packs at a time is essential when using a mixed size product such as cobble styled paving blocks.

We place the blocks on top of the laying course, ensuring they are around 4-5mm above the desired finished level. Once all full blocks are laid, we use a mechanical block splitter or a Con-saw to cut the blocks required for the infill pieces or at the retaining edges. Once completed, we sweep the area and compact with two or three passes of the plate compactor.

Jointing of the block paving is preferably completed in dry periods. We apply kiln dried sand to the block paved area, then brush into the joints using a soft brush, ensuring the joints are filled fully.

Applying the kiln dried sand

We use the plate compactor on the paved area again, to push the sand into the joints. Once this has been done, we check for any gaps in the jointing and fill where necessary, compacting again afterwards if needed.

Get a free quotation now for block paving in Horsham, paving in Brighton or block paving in Haywards Heath. Call the experts at Landcraft for a free no obligation quotation. We are a registered and insured contractor with over 30 years experience in the industry.

For more information on paving installations or having paving at your home, check out our block paving services to learn more.

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