Aggregates Guides
MOT Type 1, sub-bases, gravel and aggregate guides
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Types of Gravel in the UK: A Practical Guide
The right gravel for a driveway is different from the right gravel for drainage, which is different again from decorative garden gravel. Here is how to choose.
Read guideWhat Is MOT Type 1 Sub Base?
MOT Type 1 is the standard sub base material for driveways, paths and patios across the UK. Here is what it is, why it works and how much you need.
Read guideBlock Paving Sub-Base Depth: What Do You Actually Need?
Block paving that sinks, ruts or rocks is almost always a sub-base problem. Here is the correct depth specification for driveways and paths, with quantities and build-up details.
Read guideTypes of Aggregate: Which One Do You Need?
Builders merchants sell dozens of types of aggregate and the names vary by region. Here is a clear guide to what each type is, what it is used for and how they differ.
Read guidePatio Sub-Base Depth: How Deep Should It Be in the UK?
The sub-base is what keeps your patio level and stable long-term. Get the depth wrong and slabs start rocking within a season or two. Here is what depth you actually need.
Read guideMOT Type 1 Compaction Factor: Why You Always Need to Order More
The compaction factor is the most commonly misunderstood part of ordering MOT Type 1. Here is what it is, why it matters and how to apply it correctly.
Read guideGravel Driveway Depth: How Deep Does the Gravel Need to Be?
Getting the depth right is what separates a gravel driveway that looks good for years from one that disappears into the ground within months. Here is the full picture.
Read guideHow Much Aggregate Do I Need?
Aggregate covers a huge range of materials - MOT Type 1, ballast, sharp sand, scalpings and more. Here is how to calculate the right quantity for your project.
Read guideHow Much Sub-Base Do I Need?
Getting the sub-base right is more important than almost anything else in groundwork. Here is how to calculate the right amount for patios, driveways and paths.
Read guideHow Much Gravel Do I Need for a Driveway?
Gravel is one of the most cost-effective driveway surfaces - but getting the depth and quantity right is where most people come unstuck. This guide walks through the numbers.
Read guideHow Much MOT Type 1 Do I Need?
MOT Type 1 is the go-to sub-base material for driveways, patios and paths - but getting the quantity right catches people out because of the compaction factor. Here is how to order the right amount.
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