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Support Gravel

Support Gravels are clean, washed and screened to remove the majority of fines, silts and clay particles.

The gravel will be from a natural uncrushed source with sub-angular to rounded particle shape. These support gravels have been supplied to water filtration plants throughout Ireland. They are also commonly used in reed bed filters.

The gravel will be resistant to degradation during normal handling, placing and commissioning works.

Our standard range of support gravels are detailed in the table below.

Grading Analysis for Support Gravels showing typical % Passing Sieve Sizes, mms

Technical Information

  • 1-3      Support Gravel
  • 2.5-6   Support Gravel
  • 6-12     Support Gravel
  • 12-25  Support Gravel
  • 25-38 Support Gravel

Product Grading

Size1.02.03.354.06.38.011.213.216.020.028.037.550.0
1-3mm22594100
2.5-6mm0.21.626509699.5100
6-12mm0.412154595100
12-25mm1112397099100
25-38mm0.524090100

Quality Products & Quality Service

Irwins Quality Aggregates offer one of the most extensive ranges of decorative aggregates in Ireland. Irwins can offer a large range of dry dash render stones available with accompanying sands.

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Shipping & Returns Policy

Irwins do not deliver to private houses and rely on our network of builders merchants throughout Ireland. We deliver bulk loads for contracts and merchants.

Get in touch to discuss options.

Working to Standards

ISO 9001 and ISO 14001 Registered Company.

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