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 1 aggregate used for?
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 is Type 2 aggregate used for?
Type 2 compacts nicely to form a sound free-draining base for paths, walkways, tracks, patios and driveways. It can also be used to fill pot holes or as a backfill material.
What is Type 2 crushed concrete?
Usage: 6F2 stone or type 2 crushed concrete is the by-product of demolition and is an inexpensive, coarse aggregate that can be used as a well-draining sub-base for various projects, including roads, pathways, patios, driveways and buildings.
Is Type 1 aggregate drainage good?
type 1 is not required for stone chippings because it's obvious they're going to move. Type 1 prevents movement. If you want to add drainage capacity then a soak away is required to funnel the water below the soil line. Do not put type 1 under the chipping, this would keep water on the surface.
16 related questions foundWill water drain through compacted Type 1?
However, the downside to using MOT Type 1 is the fact that it is technically not a permeable sub-base material. 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.
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.
Is crushed concrete as good as Type 1?
Usage: It is a cheaper and more economical alternative to a primary Type 1 MOT and is mainly used as a sub base on drives, paths and almost any construction job to provide a strong base.
What is type1 fill?
Type 1 Sub Base is generally a 40mm graded to dust material that is laid and compacted to form a level stable construction layer as a platform for asphalt or concrete. It is typically used in the construction of highways, car parks, footways and hard standing areas.
What is Type 3 stone?
Type 3 sub-base is a pure crushed granite, limestone or clean crushed concrete. Usually a 40mm product that has been screened to create a reduced fines aggregate. This product is fully certified according to the Specification for Highway Works. This is the most widely used sub-base where less fines are required.
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.
Is MOT Type 1 the same as ballast?
MOT 1 is always prefered,as it will compact better due to the wider range aggergrate from 40mm stones down to dust, & is usually cheaper than ballast, sub base should be ideally 100mm & well compacted. And patio slabs should be laid on a full mortar bed, not spot bedded.
What is the best aggregate for concrete?
Gravel or broken stone aggregates with rough and non-glassy texture are the best aggregates because they create a good bond with the cement paste. Aggregates need to be hard, strong, chemically inert, and non-porous. Organic substances and dirt coating compromise the strength and durability of concrete.
Does MOT Type 1 drain?
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. Granite or limestone provide an incredibly fast-draining sub-base.
What is the best aggregate to use for a driveway?
These are the best options for driveway surfaces gravel, because they are small stones combined with rock dust, which makes a more solid driving surface.
- Crushed Stone #411. It is crushed up #57 stone combined with rock dust. ...
- Quarry Process. ...
- Pea Gravel. ...
- Jersey Shore Gravel. ...
- Marble Chips. ...
- Blackstar or Blacktrap Rock.
How deep should 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 ballast used for?
Ballast is used for many types of building applications and consists of sharp sand and gravel. Ballast is usually mixed with cement and water to create concrete for a variety of landscaping uses.
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 a Type 1 stone base?
SKU: AGSTB020. MOT Type 1 is a crushed material, 0-40mm in size and usually made from granite or limestone. This makes it an extremely strong and hardwearing material once it has been compacted. Due to its strength, MOT Type 1 is usually used as a sub-base creating a stable surface for roads and pathways.
Can I use crushed concrete for sub-base?
Oversized Crushed Concrete
Used mainly as a sub-base or drainage layer, this is a cost effective alternative to primary limestone or granite when laying down haul roads, building paths or patio sub-bases, or drainage layers. Oversized crushed concrete is also perfect for wet conditions on site.
What is mot type1 hardcore?
MOT Type 1 Hardcore, MOT standing for Ministry of Transport, is an aggregate of solid materials, not easily degraded, and of low absorbency.
What is the difference between crushed concrete and crushed limestone?
In its pure form, limestone differs significantly from crushed concrete in that the former constitutes a naturally formed rock found in marine environments and the other a manmade construction material. Limestone may appear in crushed concrete as a material found in the cement used to mix concrete.
What is the best base for a lawn?
A lawn grows best on well drained medium loam, if your soil is like this, your preparation can be minimal, but if the soil is clay or sandy, you'll need to do more work. With heavy clay soils, you should add sharp sand, well decomposed manure, garden compost or rotted leaves. This will improve drainage under the lawn.
Does water drain through granite dust?
Granite dust is a great product to use as it binds together beautifully when slightly damp. It then goes rock hard once dry but still allows water through.
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.
