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use crusher run under concrete

Choosing Best Gravel For Concrete Pad - Concrete & Paving ...

 · I've used pebble gravel (the rounded off gravel) which I would think provides the best drainage but also used a 5/7 gravel. can 5/7 always be used or can crush and run be used in Choosing Best Gravel For Concrete Pad - Concrete & Paving - Contractor Talk

How Much Crushed Stone Do You Need? A Sure-Fire Formula

Use this sure-fire formula to figure out the quantity needed, removing the guess work. ... It is better to have a little extra than to run short. ... Above, mention was made of using crush stone as a base for various DIY projects, such as those that would involve pouring a concrete slab. But this material has a wide range of applications in the ...

can you use crusher run to make concrete

Crusher Run: The Best Uses - Braen Stone. ... Its many positive qualities make crusher run a top pick for use in a wide ... most sturdy and reliable material that you can use for a loose-fill driveway. ... to use the material as a base layer beneath concrete and asphalt, or as...

Gravel Foundation Recommended for the Storage Sheds

Clean crusher run should be mechanically compacted to prevent settling. Larger gravel is difficult to level, very fine gravel is not solid. Wouldn't concrete be a better foundation for a shed? This is a question we get asked occasionally and yes, there are certain circumstances where you may be better off with a concrete pad.

How to Build a Crusher Run Driveway | Hunker

Crusher run is a type of gravel that consists of angular, crushed rock ranging in size from 3/ inch to silt. Several factors influence the success and longevity of a crusher run driveway, including an adequate base, crown and drainage.

Crushed Stone Grades: A Complete Guide

Crushed stone can be used for a number of different projects, but choosing the right grade can be confusing. Check out this guide to see what crushed stone grades are best for your project.

Installing Pavers | Professional Deck Builder

 · The formal name for what I use is 21AA, but in my area, it's called "crusher run." It's a mix of crushed stone from 1 1/2 inches down to stone dust. Properly compacted, this stone creates a hard, concrete-like surface that is extremely stable and will shed excess water while also allowing some percolation into the soil.

Installing Pavers | Professional Deck Builder

 · The formal name for what I use is 21AA, but in my area, it's called "crusher run." It's a mix of crushed stone from 1 1/2 inches down to stone dust. Properly compacted, this stone creates a hard, concrete-like surface that is extremely stable and will shed excess water while also allowing some percolation into the soil.

Gravel under concrete footing - GreenBuildingAdvisor

 · Crusher-run gravel compacts well but does not drain very fast -- at least not as fast as 3/ inch crushed stone (no fines). Talk to a soils engineer if you are worried -- but in my experience, either crusher-run gravel (compacted) or 3/ inch crushed stone can be used under footings. So can rigid foam. An engineer may disagree.

Crushed Stone Under a Spread Footing - Geotechnical ...

 · Since the stone layer is so much stiffer than the soil, it in effect simply moves the bottom of the footing to the bottom of the stone. However, during the course of construction, the top of the subgrade can get torn up and become loose, especially if the site is muddy. The reconsoldation of this loose layer under the concrete can produce ...

Gravel under concrete pad

 · I'd use "crusher run" vs #57. Crusher will pack much better than 57. It doesn't matter what you use for a sub base as long as it is compacted to a suitable load bearing value for the pad. Gravel will offer better frost heave than earth so maybe a …

Should vapor barrier in slab be under 4 in. of gravel or ...

 · part question: 1) I'm building a car garage with upstairs apartment in zone 4, 26' x 28'. getting different opinions on whether the vapor barrier ml plastic- should be under the 4'' of gravel or on top of the gravel directly under slab? Some are saying it is not good to pour concrete right on plastic, although this seems to be the most common way to do it.

Crushed Concrete Driveway For the Farm - A Cheaper ...

 · There wasn’t any wire or metal in the crushed concrete but we are learning is that you have to look at the material and see how much rock is in it. If the milled concrete is very fine without some rock in it, you might need to add a layer of crusher run on top of it to make sure you don’t get too much dust or mud.

When To Use Crushed Stone As Opposed To Gravel For A Project

When it comes to building, hardscaping and landscaping materials, there are a lot of varieties from which to choose. Exploring the differences between similar materials such as crushed stone and gravel, rock vs stone will help you select the best materials for your project.. Crushed stone is made from rocks that have been broken down by machines called crushers, giving the stones more angular ...

Recycled concrete vs gravel

 · We recently patch some areas of our community road using recycled concrete and asphalt. That resulted for three brand new sets of tires for me, all are caused by the new crush concrete my neighbors used. Somehow the edge you get from the crushed concrete are very sharp, not sure if this is inherit to the crusher. Be sure to compact them well.

Best Gravel for Your Driveway - 9 Top Options - Bob Vila

The 9 Best Types of Gravel for Your Driveway ... Quarry process stone—also known as crusher run—is another good option for the top level ... pea gravel is more likely to move under vehicles ...

Rock Dust vs. Sand Under Paving | Home Guides | SF Gate

Best Stone Dust. Not all kinds of stone dust are poor choices for pavers, however. Crusher run, also called processed gravel, is a rock or stone dust made of particles about the size of a grain of ...

Gravel Foundation Recommended for the Storage Sheds

The location of your storage shed foundation makes a difference when it comes time to choose the materials you are going to use. Wouldn't concrete be a better foundation for a shed? This is a question we get asked occasionally about the specific storage shed foundation needed on any given property.

How to Install a Crush & Run Driveway | Hunker

Crush and run gravel is made from tiny pieces of gravel that is mixed with limestone. This is a useful top layer for gravel driveways because the limestone sticks together when wet, helping the driveway last longer. Crush and run gravel driveways are affordable and …

Crushed Stone Under a Spread Footing - Geotechnical ...

 · Since the stone layer is so much stiffer than the soil, it in effect simply moves the bottom of the footing to the bottom of the stone. However, during the course of construction, the top of the subgrade can get torn up and become loose, especially if the site is muddy. The reconsoldation of this loose layer under the concrete can produce ...

Crushed Stone Under a Spread Footing - Geotechnical ...

 · Since the stone layer is so much stiffer than the soil, it in effect simply moves the bottom of the footing to the bottom of the stone. However, during the course of construction, the top of the subgrade can get torn up and become loose, especially if the site is muddy. The reconsoldation of this loose layer under the concrete can produce ...

Products | Sand, Stone, Gravel, Limestone, Screenings ...

2" crusher run limestone Same as ¾ crusher run. Used where an extra strong base is required. 3/4 clear limestone Used for under slab of residential, commercial and industrial floors. Drainage for window wells, under sheds and around weeping tiles. A self compacting material, settles very little. All fines have been removed, a very clean material.

compacting gravel under a slab - JLC-Online Forums

 · Re: compacting gravel under a slab Tucker Here in CT I run several feet of washed 3/4" traprock under slabs all the uncompacted. I use a plate compactor across the top to keep it all in place. Then I do the plumbing underslab. This is as approved by local structural engineers.

We will, we will, rock you. The lowdown on what gravel to ...

 · We will, we will, rock you. The lowdown on what gravel to use for your project: For your driveway: The standard size gravel to use for a driveway is ¾” minus gravel, meaning the gravel is no larger than 3/4 of an inch and minus refers to anything smaller down to the dusty fines which help to pack the gravel in place. We have ¾” minus crushed rock which works great but the most popular ...

What kind of gravel for sloped driveway? - MyTractorForum ...

 · Yesterday, I had 14 tons of #57 gravel put on my sloped driveway, and it is too loose to drive on - wheels spin on it. I know I need to spread it thinner with my 2210 and blade, but now I am wondering if I should have used a different kind of gravel, maybe crusher run instead.

Gravel Base Compared To Gravel/stone Dust Mix "site Pack ...

 · Crusher Run and stone dust like you use though is how I was taught also, and works great with poly sand for moving water off the top, similar to concrete. ... Also, the idea of putting course sand under bricks is that when you run the packer over the top of the bricks, the sand will be drawn up between the bricks, and you will have the sweep ...

Paving Expert - AJ McCormack and Son - FAQ for Sub-bases

DTp1 has, in theory, a maximum particle size of 37½mm, so using this 'rule of thumb', the min layer thickness would be 3½ × 2 = 75mm. If a fill layer or sub-base layer was using a 50mm crusher run material, then the minimum layer thickness/depth would be 50 × 2 = 100mm, and so on and so forth.

What should the ratio of crushed rock and sand for a paver ...

2 tons (approximately 1 cubic yard) of crushed concrete was not enough to cover my 90 square feet to a depth of 4 inches; I probably ended up putting down 3 tons. Since the patio was positioned next to a concrete sidewalk, I used an 8' 2x4 with a piece of scrap wood nailed to one end which gave me a depth of 3 inches (the sand and paver depth).

3 Reasons Why It's Important To Use Crushed Stone Under ...

 · Concrete may seem strong, but after many years, elements, and pressure, it will eventually crack. So in order to make your concrete last as long as your money that went into it, adding a layer of crushed stone under a slab of concrete will increase the life of your investment. Here are 3 reasons why a layer of crushed stone is important to the life of your concrete:

tips on landscape fabric under paver ... - Fine Homebuilding

 · Crushed stone refers to the same material with the "fines" screened out of it. You want crusher with the fines, as mentioned above. It tamps very well, and is easy to work with. I prefer it to bank run, but you have to use what is available in your area. Concrete sand is what I use to screed for the setting bed, also, although some prefer ...

How to Lay a Gravel Shed Foundation - An Everyday ...

There is little difference between these two types of gravel are minor, but for a gravel shed foundation, the 21A variety is the better choice. Often referred to as “ inch crusher-run gravel” both of these types of gravel have other fine materials mixed in with them.

Ask the Builder | Concrete slab needs quality self ...

 · The local concrete supplier sells recycled concrete for a really good price. It is very similar to crusher run. Due to the design, compacting will be next to impossible.