What is Riprap?

Riprap is a rock that is used to protect land or structures from rushing water. These rocks are stacked together to provide a protective barrier to anything that is behind it. It is made up of large durable rocks usually between 300mm – 700mm in size. Riprap is also referred to as Rock Armour Where […]

Recycled Aggregates being produced

The Recycled Aggregate Production Process

Stone reserves in the UK are in limited quantities which makes finding a sustainable alternative that doesn’t require raw stone material an important issue. By recycling demolition wastes we can reduce the amount of stone needed to meet the demand of the construction industry. In 2020, recycled aggregates made up 25% of the total aggregate […]

Quarried Aggregates: How Are They Produced?

Quarried aggregates are an important part of the UK economy. They account for 85% of the non-energy minerals extracted in the UK. The construction industry heavily relies on aggregates to help improve the UK’s infrastructure. in 2017, over 176 million tonnes of quarried aggregates were produced across Great Britain, making up 70% of the total […]

What is Gabion Stone?

A Gabion Stone is a large natural stone, generally between 80mm-200mm in size. They are used to fill wire cages known as Gabion Baskets, which are generally used to quickly create inexpensive but aesthetically pleasing retaining walls. Due to their natural and angular look they are now widely used across construction & landscaping to help […]

MOT Type 1 crushing

MOT Type 1 Subbase: What is it?

What is MOT Type 1 Sub-base? MOT Type 1 Subbase or just Type 1 Subbase is a granular crushed aggregate. It is used as a subbase in construction work. Aggregate material is crushed to 40mm down to dust. This mixture of sizes makes it great for compaction, making it extremely strong with great loading bearing […]

The List of Waste Codes

Updated 29th October 2021 Do you have waste soils? Get in touch with the GMAT team for compliant recovery or disposal. Send your soil report to   Absolute Hazardous (AH)   |   Mirror Hazardous (MH)   | Mirror Non-Hazardous (MN)   |   Absolute Non-Hazardous (AN) CODE DESCRIPTION ENTRY TYPE 01   WASTE RESULTING FROM EXPLORATION, MINING, QUARRYING, […]

Can waste soils reduce the UKs land shortfall

Can waste soil reduce the UK’s land shortfall?

The UK could run out of land by 2030 due to the demands for the redevelopment of space for food, housing, and energy, according to a Cambridge University-backed report. With the UK population forecasted to reach seventy million by 2030, the need for increased food production, extra housing, working areas, and amenities will increase the […]

Construction Aggregates Guide

The Complete Guide To Construction Aggregates

  What are Construction Aggregates? The term ‘aggregates‘ is a broad term for a material that is used for construction or building applications. This includes gravel, sands, crushed stone, etc. If aggregates are produced using raw materials they are known as quarried aggregates or primary aggregates Aggregates can also be produced by recycling demolition waste […]

Topsoil BS3882 Guide

A guide to Topsoil BS3882:2015

Nearly all landscaping projects require topsoil, but for some reason, it has become an afterthought. Topsoil is governed by some strict standards and sourcing the correct topsoil is important for the future growth of landscapes.   What is Topsoil BS3882 As the name suggests, is the top layer of soil, which is usually fertile and […]

Giant Hogweed Guide

What Is Giant Hogweed? – The facts about the invasive plant

  What is Giant Hogweed? Giant Hogweed or Heracleum Mantegazzianum is an invasive plant that originated from Russia and Georgia. It was introduced to the UK as an ornamental plant in the 19th Century. Giant Hogweed in the UK has been traced from the Royal Botanic Gardens Kew Seed list in 1817. The plant escaped […]

Himalayan Balsam Guide

Himalayan Balsam – A guide to the invasive plant

  What is Himalayan Balsam? Himalayan Balsam or Impatiens glandulifera is an invasive plant that was introduced to the UK in 1839 as an ornamental garden plant. The plant was native to the Himalayan region and grows rapidly causing issues for surrounding plants. The plant forms dense colonies which suppress neighbouring plants by shading them […]

The Different Types of Waste Soils

The Different Types of Waste Soils

Waste Soils is a term you will hear frequently when working in the construction industry. This is because according to Defra, the construction industry generates 51 million tonnes of waste soils which accounts for around 43% of all construction waste and 25% of total UK waste generated in 2016. What are waste soils? Waste soils […]

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