Aggregate Guides

Plain-English explanations of every common aggregate — what it is, what it's used for, and how to calculate how much you need.

MOT Type 1 Limestone

Everything you need to know about MOT Type 1 sub-base: what it is, what it's used for, sizes, and how to calculate how much you need.

Learn what MOT Type 2 is, how it differs from Type 1, what it's used for, and how to calculate quantities for your project.

Everything about sharp sand: what it is, how it differs from building sand, what it's used for, and how to calculate quantities.

A complete guide to building sand: what it is, how it differs from sharp sand, what it's used for, and how to calculate quantities.

Everything about topsoil: grades, what it's used for, the difference between screened and unscreened, and how to calculate how much you need.

A complete guide to pea shingle: what it is, what it's used for, available sizes, and how to calculate quantities for your project.

Everything about quarry dust: what it is, what it's used for as a sub-base and jointing material, and how to calculate quantities.

A guide to clean stone aggregate: what it is, how it differs from MOT sub-base, what it's used for, and how to calculate quantities.

Everything about ballast aggregate: what it is, concrete mix ratios, what it's used for, and how to calculate how much you need.

A complete guide to pipe bedding aggregate: what it is, why it matters, the different grades, and how to calculate quantities.

A guide to decorative gravel: the different types, colours, and sizes, what they're used for, and how to calculate how much you need.

Everything about bark mulch: the different types, what it's used for, how deep to apply it, and how to calculate how much you need.

A guide to rockery stone: the different types, what makes a good rockery, how to use rockery stone in garden design, and how to calculate quantities.

Everything about rock salt for winter gritting: grades, how much to apply, when to use it, and how to calculate how much you need for the season.

A guide to 6F2 and 6F5 capping aggregate: what it is, how it differs from Type 1 sub-base, what it's used for, and quantities.