Crushed Concrete vs Gravel - Concrete Information

2021-8-30  Due to the crushing process, crushed stone typically has more angular surfaces. Gravel tends to have a rounded shape due to the natural weathering process and is

Get Price

Do You Need Gravel Under Concrete Patio, Slab, Footings?

2021-9-6  Gravel, or crushed stone, provides a stable surface for your concrete slab. Even the most solid, compacted soil can shift dramatically with the weather changes

Get Price

Gravel or Crushed Concrete for a Driveway? Denver ...

2013-4-11  We’re wanting to put in a driveway and were intending to put gravel down as the surface material (we are not planning to pave over it). A friend told us that

Get Price

The Complete Guide to Crushed Stone and Gravel - gra-rock

2019-11-11  Crushed stone often has an angular and jagged edge that occurs during the crushing process. Gravel, on the other hand, typically has a very smooth texture and

Get Price

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

2014-4-28  Adding crushed stone under your concrete slab will provide a level surface for your foundation. Simply pouring concrete onto the ground will expose it to

Get Price

gravel under concrete slab? is it absolutely required ...

2017-5-2  We can use crushed stone as a capillary break if there are no fines in the crushed stones —but the stones don’t act as a vapor barrier. So it is common to use

Get Price

What kind of stone under concrete slab? DIY Home ...

2011-4-16  What you want is what we would refer to here as gravel, a mix of gradients of aggregate, from 1" stones down to fine material such as non-washed sand. A few viable

Get Price

Should I set fence posts in dirt, gravel, crushed rock, or ...

2021-8-4  Someone at the local hardware store had seen posts set in concrete rot and break because water seeps in along the edges of the post (especially in the winter) and does

Get Price

Sand and Gravel under Paver Patio or just Gravel?

2021-9-3  I use 6 to 8 inches of crushed concrete as my sub base under patio pavers or flagstone decks if my buyers don't want to pay for a concrete sub base. Then I put

Get Price

Crushed Concrete vs Gravel - Concrete Information

2021-8-30  While crushed stone is a commercial product created with the use of machines to mine and crush rock, gravel is a product created from natural weathering. Gravel is fragmented rock sourced from deposits of weathered rock found in rivers, streams, and gravel pits. Although gravel is a natural product of erosion and weathering, gravel suppliers ...

Get Price

Do You Need Gravel Under Concrete Patio, Slab, Footings?

2021-9-6  Why Do You Need Gravel Under a Concrete? Gravel, or crushed stone, provides a stable surface for your concrete slab. Even the most solid, compacted soil can shift dramatically with the weather changes, which will undermine your slab and cause cracks. It is important to note that not all gravel is the same.

Get Price

Crushed Stone or Crushed Concrete - Modern House Plans

2010-6-30  It has a porous structure that takes in and holds water. The crushed stone on the other hand does not. So if you use crushed concrete below your slab, its going to take up that water from the damp soil below, and its going to carry it right up to the underside of your slab - defeating the entire purpose of the stone layer. So, a word of advice.

Get Price

Gravel or Crushed Concrete for a Driveway? Denver ...

2013-4-11  crushed concrete is a recycled product, so it would be best for you to make a trip to the source of the gravel and pick up a handful and look for the fines in it. (fines once again are like sand or very small grains of a product.

Get Price

What Type Of Gravel Under Concrete Slab -

What Type Of Gravel Under Concrete Slab. Compact fill under slab build a concrete slab extreme how to difference between crushed stone and gravel water leak under a concrete slab preparing base for concrete slab you proper subgrade prep concrete. Build a concrete slab extreme how to mixing concrete for a 15 foot square slab jlc online gravel vs ...

Get Price

What kind of stone under concrete slab? DIY Home ...

2011-4-16  Concrete Masonry. Joined Nov 13, 2008. . 3,887 Posts. #4 Apr 16, 2011. What you want is what we would refer to here as gravel, a mix of gradients of aggregate, from 1" stones down to fine material such as non-washed sand. A few viable options depending on what's it's called in your area: "3/4" road gravel, recycled/ground concrete, 3/4 ...

Get Price

concrete pad or crushed stone under a shed... Powerboat ...

2007-1-2  Put down a good base of 3" clean stone followed by (what my rock company calls) CA6. It's basically a mixture of stone 3/4" down to dust. It packs so tight it's almost like concrete and still allows water to drain. Do yourself a favor - INCREASE THE SIZE of your shed.

Get Price

Should I set fence posts in dirt, gravel, crushed rock, or ...

2021-8-4  Someone at the local hardware store had seen posts set in concrete rot and break because water seeps in along the edges of the post (especially in the winter) and does not drain properly. He suggested crushed rock (what I would call gravel, see Definitions of various sand, gravel, and rock products) instead.

Get Price

Sand and Gravel under Paver Patio or just Gravel?

2021-9-3  I use 6 to 8 inches of crushed concrete as my sub base under patio pavers or flagstone decks if my buyers don't want to pay for a concrete sub base. Then I put 1/2" to 1" of masons sand or torpedo sand, after placing my patio pavers I sprinkle masons sand in between the bricks, lightly water, and repeat the process.

Get Price

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

2011-5-3  2-part question: 1) I'm building a 2-car garage with upstairs apartment in zone 4, 26' x 28'. getting different opinions on whether the vapor barrier -6ml 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.

Get Price

Gravel or Sand Below a Foundation - Foundation

2007-6-5  RE: Gravel or Sand Below a Foundation. csd72 (Structural) 30 May 07 13:09. Depends on the foundation material: In clay or silt - helps prevent reinforcement support chairs from sinking into the soft wet surface clay. Also stops wet clay/silt mixing with the concrete. For rock foundations - provides a level surface and minimises the chance of ...

Get Price

Should I set fence posts in dirt, gravel, crushed rock, or ...

2021-8-4  Someone at the local hardware store had seen posts set in concrete rot and break because water seeps in along the edges of the post (especially in the winter) and does not drain properly. He suggested crushed rock (what I would call gravel, see Definitions of various sand, gravel, and rock products) instead.

Get Price

Why Is the Crushed Stone Much Better Than Gravel for ...

2019-12-11  Crushed stone #411, which is a mixture of #57 stone and coarse rock dust, is a good option for road top layer. This blend of small stones and rock dust will fit tightly together as the stones settle, forming a stable, solid surface that can stand up to heavy vehicles. The crushed stone #411 is crushed

Get Price

Pea gravel or crushed rock? - DoItYourself

2005-5-7  The rigidity of crushed stone makes it an ideal base material to support concrete if you have cracking concerns. But don't be fooled. Your concrete will crack, guaranteed. But a good rigid and compacted base will keep the individual mini-continents from shifting. The concrete doesn't need to adhere to the stone base, there is no advantage to that.

Get Price

Reasons to Consider Crushed Stone, Gravel, or Recycled ...

Aggregate is a term that is used to describe a broad category of particulates used in construction and landscaping. Aggregate can be made up of crushed stone, gravel, sand, recycled concrete, slag, and other mined materials. If you are looking for nice

Get Price

Sand and Gravel under Paver Patio or just Gravel?

2021-9-3  I use 6 to 8 inches of crushed concrete as my sub base under patio pavers or flagstone decks if my buyers don't want to pay for a concrete sub base. Then I put 1/2" to 1" of masons sand or torpedo sand, after placing my patio pavers I sprinkle masons sand in between the bricks, lightly water, and repeat the process.

Get Price

concrete pad or crushed stone under a shed... Powerboat ...

2007-1-2  Put down a good base of 3" clean stone followed by (what my rock company calls) CA6. It's basically a mixture of stone 3/4" down to dust. It packs so tight it's almost like concrete and still allows water to drain. Do yourself a favor - INCREASE THE SIZE of your shed.

Get Price

Should You Put Gravel Under a Deck? Here's the Answer

2 天前  The best gravel for use under a deck is crushed stone. It prevents erosion, weeds, keeps moisture away from the underside of the deck, and looks much better than mud or weeds. Hopefully, you have a better understanding of why you should put gravel under

Get Price

What is the Difference Between A Gravel and B Gravel ...

2019-10-25  B Gravel: While B gravel is also mixed with sand on most occasions, the size of the rocks or crushed stone that accompany B gravel can vary, sometimes depending upon the purpose that B gravel will be fulfilling. Usually reserved for major roadways or parkways and industrial building, B gravel

Get Price

Crushed Stone vs. Pea Gravel: What's the Difference?

Crushed stone is available in a variety of sizes, from 3/8” to 4”. Because it is literally crushed stone, there is no consistency to its shape. The edges tend to be sharper and it feels rougher to the touch than pea gravel. Also, most crushed stone will either be in a

Get Price