Aggregates

   

What we recommend

A 6-14mm durable, decorative, angular gravel, granite or limestone chipping (carboniferous limestone only), a 10mm product being ideal for Permegrid PG40.

Black Basaly 10mm

Black Basaly 10mm

Fire Chip 8mm

Fire Chip 8mm

Dove Grey 10mm

Dove Grey 10mm

Dove Grey 6mm

Dove Grey 6mm

Scottish Red Granite 14mm

Scottish Red Granite 14mm

Cheshire Pink 14mm

Cheshire Pink 14mm

Golden Gravel 10mm

Golden Gravel 10mm

Why we recommend

You want your project to last and sustain all the modern forces that will be thrown at it.

  • Heavy cars and 4x4s
  • Constant Foot Traffic
  • Severe weather conditions

As well as a long lasting durable finish your project needs to be aesthetically pleasing, you will be driving over it and/or looking out on to it every day. You will want it to enhance your home, property or business so please take time in choosing the right colour and textured gravel or chipping for your requirements. We do not recommend using any products with fines as a finished layer, this will prevent permeation and is not recommended for a Sustainable Urban Drainage System (SUDS).

We have put together a selection of products we know would be suitable for a wide range of permeable applications and preferences, with this in mind you are able to choose which product fits best with your project and lifestyle. How we supply

Driveway Packages – We can supply the correct amount to complete a 50mm finished layer, this will be dependent on the area of your project and will be delivered in either bulk bags or a loose tipped load.

Many factures could determine how this is delivered:

  • Vehicle access
  • Space for products on site
  • Available machinery and handling

Base Packages – Again we can supply the correct amount to complete a 50mm finished layer for your project and depending on the size of your base we can supply in bulk bags or easy to carry handy bags.

Larger Projects – Permegrid can supply products for any size project and, if preferred, products can be sourced locally to suit your needs.

We are also happy to supply just our PG40 Grid allowing you to purchase everything else locally.

Whatever your permeable grid application may be Permegrid is here to help and advise you on the best way forward so please do not hesitate to contact us with any questions you may have.

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What we recommend for a Sub-Base

A Type 3 or Type X crushed angular granite or limestone provides the best performance within a Sustainable Urban Drainage System (SUDS) construction.

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Why we recommend

The sub-base layer is often the main load bearing layer of a *pavement and should never be underestimated. It is designed to evenly spread the load of the paving, and any traffic thereon, to the sub-grade (soil) below.

Just a few centimetres of the correct sub-base material compacted in the right way can turn an unreliable, rut prone sub-grade into a surface capable of carrying cars and larger vehicles. This is achieved by ‘load spreading’ the granular material dissipates the point loads over a significantly wider area and so enables quite considerable loads to be supported without settlement and permanent distortion.

Type 3 or Type X is a 40mm product that has been screened to create a reduced fines aggregate (but not Zero fines). These products are fully certified according to the specification for highways works. This is the most widely used sub-base where fewer fines are required such as sub-bases for sports pitches, equestrian surfaces, driveways, shed and building bases and general vehicle and pedestrian access routes where blockage of drains or natural drainage is an issue.

Type 3 or Type X is widely used as an approved sub-base where Sustainable Urban Drainage System (SUDS) legislation is imposed when constructing a permeable surface. In order for the product to be classed as a ‘Type 3’ quality, it must comply with the Department of Transport Specification for Highway Works, clause 805 (SHW805).

Here at Permegrid we will only supply Type 3 aggregate within a Permegrid package or project, other products can be supplied where a SUDS or permeable layer is not required.

How we supply

Driveway Packages – Depending on the size of your project we can deliver either in large bulk bags or as a loose tipped load. Many factures could determine how this is delivered.

  • Vehicle access
  • Space for products on site
  • Available machinery and handling

BasePackages – This will depend on the size of base you require and whether you actually need a sub-base at all. Small shed base constructions may not need a sub-base, if you already have a firm base down you may only need the following:

  • Permegrid PG40 grid
  • Drivetex geotextile
  • Decorative finish layer

*Pavement – the hard surface of a road or street

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