What is CR 6stone?

CR-1. CR-1 crusher designed for heavy duty areas where there is a need for larger stone to bridge and the fines to compact to create a compacted surface. Uses include haul roads, crane pads, and as a sub-base layer for major highway work.

Our Gray Tan Crushed Stone is a blend of gray, tan and brown stone crushed to various sizes. The earth tone color range works well with many natural settings. There are many uses including; Driveways, walk and pathways, tar and chip applications and exposed aggregate concrete.

Also, what is 21a gravel? Often called or #26, Crusher Run is a crushed gravel that has “fines,” or granite dust, mixed in. Crusher Run packs well and is ideal for driveways or as a substrate to create a level base for patios, walkways, or retaining walls.

In respect to this, what is Type 2 stone?

Type 2 crushed concrete is a standard sub-base material and used for roads such as pot-hole filling-in but like Type 1 it can be used for other things like driveways, backfill material, patios, tracks and other paths. It is crushed stone which is less than 40mm in size down to dust with no specified grading.

What size is number 2 stone?

#2 (2 1/2″) crushed stone is a combination of assorted sized material that ranges from 1 1/2″ through 2 1/2″ which has been crushed and compacted in size, then processed through a square screen 3″ in size.

Why is it called 57 stone?

#57. Crushed stone #57 refers to stone that is about ¾”. This is typically used for concrete mix, landscaping and drainage.

What size is no 57 stone?

About #57 Limestone Gravel The size of #57 Stone is 1 inch and under. #57 Stone is the most common driveway gravel in Florida. #57 Stone is commonly used as a drainage gravel. #57 Stone is also used in mix concrete, mix asphalt and as bases for retaining walls and driveways.

What size crushed stone for concrete slab?

Question: What size aggregate should be used to make the concrete for a 4 inch slab? Top Answer (37% of 40 votes): 3/4 inch crushed stone. Explanation: #57 rock (3/4) is best for strength. COMMON SENSE FLOORING, INC.

How do you use stone dust?

The most common use for stone dust is as a base layer or setting bed for laying stone pavers. Homeowners who undertake projects such as laying a patio, flagging a driveway, or creating a garden path may use stone dust as one of the materials for the project.

What are the 4 main types of aggregates?

The Different Types Of Aggregate. The categories of aggregates include gravel, sand, recycled concrete, slag, topsoil, ballast, Type 1 MOT, and geosynthetic aggregates (synthetic products commonly used in civil engineering projects used to stabilise terrain).

Which type of aggregate gives maximum strength?

To obtain high strength concrete, coarse aggregate size is usually held to a maximum size of 19 mm, but additional cement is required for the additional surface area. The fine aggregate can generally contain less material passing 300 um and 150 um sieve because of the higher cement content.

What is the difference between MOT Type 1 and 2?

It usually contains finer material than type 1, being composed of fewer angular aggregate sizes also know as scalpings. Type 2 mot can be used for driveways, backfill material, paths and patio areas and to fill in pot holes and compacts down to a hard base.

What are Scalpings used for?

Scalpings are a 28mm granular fill used for sub-bases as a formation layer under roads, drives, concrete slabs and patio areas. They can also be used on lanes, and are especially effective in areas where pot-holes are problematic.

What is 10mm ballast used for?

10mm Ballast. 10mm ballast is a mixture of 10mm gritstone and grit sand. Used for mixing concrete in small amounts where a finer mix is required.

What does Type 1 MOT mean?

MOT Type 1 refers to the stone size,composition and compressive strength conforming to the requirements of the ministry of transport for a compacted sub – base.

What’s the difference between scalpings and Type 1?

Please Note -Type 1 has a lower fines percentage than scalpings and therefore a greater load bearing capability. It is the recommended material for highly trafficked areas such as highways, car parks, footpaths, driveways and hard standings.

What is Type 2 MOT aggregate?

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.

Can I use gravel as a sub base?

Gravel is fine as a sub-base providing its compacted well. If you do use gravel it needs to be restrained on all sides to stop it spreading. You would also need to lay the slabs on mortar as sand would simply drain away.

What are the different types of gravel?

3 Types of Gravel & Their Uses Pea Gravel. One of the most popular options, pea gravel is comprised of small, round stones. Crushed Stone. Crushed stone is another popular aggregate, typically made from limestone or granite. Quarry Process. Quarry process gravel contains a mix of stone dust and crushed stone.