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What Size Gravel Under Concrete Drive Way

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What size gravel to use under concrete pad DIY Home

What size gravel to use under concrete pad DIY Home

May 09 2011 Discussion Starter 6 May 9 2011 Yes to your questions on rebar and placement of it Since posting Ive chatted with an engineer friend who said 4 concrete is plenty He also suggested 1 sand then 4 of 34 gravel compacted then the 4 concrete Am going to try that

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shouldnt I have gravel under concrete footers DIY Home

shouldnt I have gravel under concrete footers DIY Home

Sep 29 2012 Gravel was always used under every concrete job footers slabs driveways etc I see from the code that you sent me that gravel isnt required and that the concrete should be on Virgin soil but where the heck does that rain water in the earth and around and under the concrete go when it rains I wonder hmmm

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Can I use pea gravel under concrete

Can I use pea gravel under concrete

Mar 02 2020 Can I use pea gravel under concrete While pea gravel can be used as a mulch alternative garden border and other landscaping purposes it is not the best choice for a patio base If you use pea gravel beneath a patio take a few simple steps to ensure the stability of the base before setting your surface stones pavers or bricks

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Can I use pea gravel under concrete

Can I use pea gravel under concrete

Mar 02 2020 While pea gravel can be used as a mulch alternative garden border and other landscaping purposes it is not the best choice for a patio base If you use pea gravel beneath a patio take a few simple steps to ensure the stability of the base before setting your surface stones pavers or

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What Type Of Gravel Under Concrete Slab

What Type Of Gravel Under Concrete Slab

Mar 07 2017 Concrete floor problems building science corporation aggregates the difference between crushed stone and gravel subgrades subbases for concrete slabs the network mixing concrete for a 15 foot square slab jlc online how to build patios walkways what is the best way to fill a 3 inch gap under my concrete

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How much gravel is needed for a concrete slab

How much gravel is needed for a concrete slab

Mar 26 2020 Just scrape off the sod and topsoil and add gravel fill if needed If you have clay or loam soil you should remove enough to allow a 6 to 8in layer of compacted gravel under the new concrete If you have to remove more than a few inches of dirt consider renting a

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Do You Need Gravel Under Concrete Patio Slab Footings

Do You Need Gravel Under Concrete Patio Slab Footings

Yes you should put a vapor barrier under concrete slabs to prevent moisture from wicking up into the slab and onto the surface of your concrete slab patio or drivewayEnsure the vapor barrier is above both the gravel and rigid foam and immediately below the slab Moisture wicking up into a slab can cause unsightly wet spots on top of your slab and the efflorescence can be hard to remove

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How much gravel is needed for a concrete slab

How much gravel is needed for a concrete slab

Mar 26 2020 If you have clay or loam soil you should remove enough to allow a 6 to 8in layer of compacted gravel under the new concrete If you have to remove more than a few inches of dirt consider renting a skid loader or hiring an excavator

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What Are the Best Sizes of Crusher Run Gravel for Driveway

What Are the Best Sizes of Crusher Run Gravel for Driveway

Oct 24 2019 This is 12 inch clear crush gravel its used commonly for either pathways and or driveways its a nice size and I find it quite aesthetically appealing once its been washed and the dust is off it looks quite good

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gravel under concrete slab is it absolutely required

gravel under concrete slab is it absolutely required

Its about 375 cu yards of crete or like 400 It will cost 100 for gravel to fill in 2 but my crete is still only a little cheaper and it will be a thinner slab I could put gravel in say 2 and 35 of concrete over that or just full 55 of crete or I could do lot of gravel and a 2 top coat over that with a bunch of steel and fibers

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Gravel under Concrete Slab Pilots of America

Gravel under Concrete Slab Pilots of America

Jun 28 2016 For the Civil Engineers out there Does anyone know of any real reason to spend the money to put gravel under a concrete slab I have always just graded the dirt under the slab so it drains off to the sides or bottom same as the concrete slab will drain compacted it and called it good

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What kind of stone under concrete slab DIY Home

What kind of stone under concrete slab DIY Home

Apr 16 2011 I am getting ready to have a foundation poured for a garage this summer I am new to foundations so I asked my building inspector what kind of stone I needed under the slab and the only response he would give me was You figure it out It would have taken him less effort to list the stone but thats for another day Anyways help is appreciated I have come across a dozen different

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Importance of Gravel and Sand for Concrete Hunker

Importance of Gravel and Sand for Concrete Hunker

Apr 12 2018 Concrete is made up of cement and water plus an aggregate composed of sand and gravel The sand and gravel do more than act as filler though The size and amount of gravel added to a bag of concrete also determines the products volume strength and durability

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Crushed Stone Under Concrete Why Its Needed

Crushed Stone Under Concrete Why Its Needed

Crushed stone under concrete provides a level surface for you to lay your foundation on If you pour concrete directly over the ground it could erode away over time and this would cause your slab to sink The solid foundation that the crushed stone provides will offer the support the concrete needs

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Proper Subgrade Prep Concrete Construction Magazine

Proper Subgrade Prep Concrete Construction Magazine

Sep 20 2007 Contractors often ask how to backfill foundation walls for an area that will end up under concrete flatwork Backfill beneath concrete flatwork along foundation walls should be accomplished with a granular material that is uniform in size Some fill materials such as round stones like pea gravel tend to be self compacting

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Crushed Stone Under Concrete Why Its Needed

Crushed Stone Under Concrete Why Its Needed

When working with concrete slabs its important to take the appropriate steps to ensure that it lasts for many years to come In order to get the most use out of your concrete slabs you need to add a layer of crushed stone beneath it firstPlacing crushed stone under concrete serves several purposes and can provide the following benefits

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Does Crushed Concrete Make a Good Driveway Fiorino

Does Crushed Concrete Make a Good Driveway Fiorino

Large blocks of concrete or asphalt go through a crusher that mills them into crushed concrete The final product is concrete stones roughly 34 in size similar to gravel It also includes stone dust to fill the space between the rocks and ensure that the pieces interlock This allows crushed concrete to compact into a more solid layer

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Determining What Size Crushed Stone You Need For Your

Determining What Size Crushed Stone You Need For Your

58 This is also commonly used to mix with asphalt or concrete It is also used for drainage or as driveway gravel 34 There are two options at this size clean and DGA 34 clean is used for drainage behind walls and is also used as fill and for drainage projects such as French drains

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7 Different Crushed Stone Sizes and Their Applications

7 Different Crushed Stone Sizes and Their Applications

Jul 27 2020 5 Crushed stone 5 is 1 inch or smaller in size This material is perfect for road and paver base 8 These stones are between 38 and 12 inch long It is the most common stone used for concrete mixes 10 Crushed stone 10 is known as screenings or dust Most use this material to create pavers and concrete blocks Specialty

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Concrete driveway rebar or wire mesh General

Concrete driveway rebar or wire mesh General

Apr 23 2002 Wondering if any of you could help me evaluate bids on our Chicagoarea residential driveway We have it narrowed down to 2 contractors They are about 1G apart with the higher bid approx 8G to install a concrete driveway in our home The higher bidder proposes installing 12 rebar The lower proposes using wire mesh combined with fiber added to the mix The higher bidder says

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Crushed Stone Grades A Complete Guide

Crushed Stone Grades A Complete Guide

For fabrication of concrete blocks and pavers and for riding arenas Crushed stone 57 Sizes of about 34 For concrete and asphalt mix driveways landscaping and French drains Crushed stone 411 A mixture of stone dust and 57 stone For driveways roads and as a base for retaining walls It can also be used to patch holes in

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7 Different Crushed Stone Sizes and Their Applications

7 Different Crushed Stone Sizes and Their Applications

Jul 27 2020 This material is a great choice for railroad projects and those that require drainage 5 Crushed stone 5 is 1 inch or smaller in size This material is perfect for road and paver base 8 These stones are between 38 and 12 inch long It is the most common stone used for concrete mixes

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Concrete Driveway Construction Thickness Rebar amp More

Concrete Driveway Construction Thickness Rebar amp More

Find concrete driveway thickness information Plus other driveway construction basics such as rebar spacing preparing the subgrade best concrete mix placing

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Pea gravel or crushed rock

Pea gravel or crushed rock

May 07 2005 But dont be fooled Your concrete will crack guaranteed But a good rigid and compacted base will keep the individual minicontinents from shifting The concrete doesnt need to adhere to the stone base there is no advantage to that If your going to use pea gravel in my opinion your wasting time and money

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How to Choose the Correct Size of Limestone for Your

How to Choose the Correct Size of Limestone for Your

can enhance the landscape and is a less expensive alternative to an asphalt or concrete driveway or parking lot It is important to know the correct size of limestone needed and if you need multiple numbers of limestone to complete your project Here are a few examples of numbers of limestone needed for driveways and parking lots

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