What Does MOT Type 1 Aggregates Mean? The name that binds these types of aggregates together refers to the Ministry Of Transport (MOT). All aggregates sold as Type 1 MOT are approved to be used in the construction of highways and pavements as well as for private use.
What does Type 1 MOT mean?
MOT Type 1 is a crushed aggregate material used to provide a stable sub-base for road surfaces and pathways. Both primary and recycled material can be used to produce a Type 1 sub-base.
What does MOT stand for in paving?
Type 1 MOT is a granular aggregate used as a sub-base for trenches, paths, driveways, patios and more. The MOT in its name stands for 'Ministry of Transport' as it is a stone that meets the standards required by the MOT for a compact sub-base.
Is mot the same as Type 1?
What is MOT Type 1? Type 1 MOT is an aggregate that can be made up of many different materials including limestone, crushed concrete and granite. There are many different types of Type 1 MOT, mostly differentiated by size and material. Both primary and recycled material can be used to produce a Type 1 sub-base.
What is the difference between Type 1 and Type 3 mot?
Type 3 is a sub-base similar to MOT Type 1 but with reduced fines to allow water to free drain as a permeable sub base. For material to be called Type 3, it must conform to the Ministry of Transport Specification Clause SHW 805. It was previously known as DOT Type 3 (Department of Transport Type 3).
34 related questions foundWhat is the difference between Type 1 and Type 2 mot?
Mot Type 2 is a crushed stone with extra dust similar to Crusher run, it usually contains finer material than type 1, being composed of fewer angular aggregate sizes also know as scalpings.
What is Type 2 MOT aggregate?
Our Type 2 is a crushed aggregate with extra dusts and fines, which makes the perfect sub base for a range of domestic and commercial construction projects. Graded to 50mm down to dust and fines no specified grading, it is finer than our MOT Type 1 sub base, as it is composed of fewer larger angular scalpings.
Is MOT Type 1 good for drainage?
MOT Type 1 is permeable so assists with drainage and as it includes the larger stones it won't easily wash away.
Can I use MOT Type 1 for driveway?
MOT Type 1 (hardcore) is crushed carboniferous limestone, used to create a hardcore base under patios, paving, driveways and artificial grass. It can also be used as a filling product. Local shingle is a cost-effective shingle, ideal for many uses from paths to driveways and borders.
Does MOT Type 1 drain?
This means that little, if any, water will pass through MOT Type 1, and what does pass through will filter through at a very a slow rate. Granite or limestone chippings, on the other hand, offer a very fast-draining sub-base.
Can I use MOT Type 1 to make concrete?
Type 1 is a grading not a specific material. It may be limestone, granite, crushed concrete etc dependent on where you are. As Kiab says its a bit rough for concrete but you're not going to expose it and you could always mix a bit of sand cement to top up your bed so you can level your blocks easily.
Can MOT Type 1 make concrete?
You can, but - depending on the grading of the MOT, which typically goes down to dust - it will be weaker. If it's to be structural, or will be traced back to you; it would be better to do it properly.
How deep should MOT Type 1 be?
It is usual to lay MOT Type 1 at a compacted depth of 100mm for most patio projects and at a compacted depth of 150mm for most domestic driveways. Compaction should be achieved using a wacka plate. MOT Type 1 is used to stabilise the ground prior to laying paving and also allows for drainage.
What is Type 3 mot?
MOT Type 3 is used commonly as a sub-base for drives, car parks paths and many other construction projects where drainage and full permeability is required. MOT Type 3 is ideal for use as the sub-base for Suregreen's range of Permeable Paving Grids.
Should you wet type 1 before compacting?
Yes it will be fine, compact it in 50mm layers wetting it before compacting, it will goes as hard as concrete.
How deep should type 1 be for a patio?
Once you are happy with the depth, you should lay a sub base material for example MOT TYPE 1 to a compacted depth of around 75mm. You will need take into consideration the fall when laying this. Check the surface is level with the top of the marker pegs and then again at the bottom.
Does water drain Type 1?
However, a small disadvantage to using MOT Type 1 is that it is technically not a permeable sub-base material, meaning that little water will pass through and, if any does, it will filter through at a much slower rate.
Can you put Type 1 on top of grass?
Yes. A laying course consisting of 25mm (1”) of granite or limestone dust, sometimes referred to as 'grano', should be installed on top of the sub-base material, followed by an optional second layer of weed membrane, prior to laying the turf.
What is Type 1 stone made from?
Type 1 is a granular, well-graded material sized from 63mm to dust, but with most of the material sized at 31.5mm to dust. Available both as a limestone or a granite, Type 1 SHW Clause 803 (formerly MOT Type 1) is widely used as a sub-base in the construction of roads, car parks and pathways.
What is the best sub-base?
Both decomposed granite and limestone are porous, allowing optimal drainage of your artificial grass. For all these reasons, decomposed granite and limestone chippings is the overall best choice for a sub-base. But if budget is an issue, CMB will suffice for most domestic applications.
Is roadstone MOT Type 1?
Bulk Bag MOT Type 1 Roadstone
MOT Type 1 is a crushed aggregate material used to provide a stable sub-base for road surfaces and pathways. Both primary and recycled material can be used to produce a Type 1 sub-base.
Can I use Scalpings for concrete?
During the construction of commercial and residential driveways, buildings and car parks, scalpings work well to fill gaps within an uneven foundation and provide an ideal base for paving and concrete.
Is Crusher run the same as MOT Type 1?
Crusher Run 40mm (MOT Type 1)
Mot Type 1 is the ideal sub-base for all driveway and patio projects, or even for a topper on existing driveways! The natural cream, buff colour will blend into every garden design effortlessly. The 40mm crusher run will settle and bond together to create a smooth finish.
Is MOT Type 1 porous?
MOT Type 1 is the most common sub-base for drives, but it technically isn't permeable, when compacted it goes off like concrete and holds water.
Can you lay slabs on MOT Type 1?
Remember, you'll need to allow for 100 mm of sub-base, 25 mm of slab layer and the depth of your chosen pathing slabs. Ensuring you include the necessary fall of 1 in 60 into your calculation. Add MOT Type 1 or hardcore to a depth of 50 mm, then using the rake ensure that you get the surface level.
