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Why Use Crushed Stone Under Concrete

Apr 28 2014 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

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  • 3 Reasons Why Its Important To Use Crushed Stone Under 3 Reasons Why Its Important To Use Crushed Stone Under

    Apr 28 2014 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

  • Crushed Stone Under Concrete Why Its Needed Crushed Stone Under Concrete Why Its Needed

    When working with concrete slabs it 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 crushed stone under concrete serves several purposes and can provide the following benefits

  • Does Anybody Use Sand As A Base Before They Pour Concrete Does Anybody Use Sand As A Base Before They Pour Concrete

    Does anybody use sand as a base before they pour concrete of a driveway i was told by one of the contractor that i needed to put a layer of sand before i poured concrete for the driveway another contractor told me that no sand is used because it is the cause for cracks as the concrete moves

  • How Much Crushed Stone Do You Need A Surefire Formula How Much Crushed Stone Do You Need A Surefire Formula

    Crushed stone is a material that is typically used as a base or underlayment upon which the stuff that actually shows for example the concrete of a patio will rest guessing is rarely a good solution to such dilemmas when undertaking a big project so lets look at a

  • Compact Fill Under Slab Compact Fill Under Slab

    Dear tom uncompacted fill under concrete slabs of any type is a recipe for disaster the slab could be for an entire home it might be an exterior patio slab a front porch slab a driveway etc concrete is an amazing material but it has an achilles heel if you have to use crushed stone be aware that it requires mechanical compaction

  • Crushed Stone Or Crushed Concrete Modern House Plans By Crushed Stone Or Crushed Concrete Modern House Plans By

    I would make sure you have at least a couple of inches of real stone under the slab to keep the capillary break in place but below that you could use crushed concrete brick however and concrete block for that matter i would not use brick is much softer than concrete and concrete block is also much more porous than poured concrete

  • Sand Under Slab Instead Of Gravel Greenbuildingtalk Sand Under Slab Instead Of Gravel Greenbuildingtalk

    Mar 04 2013 id want to know why the sand is so wet in the first place if its just due to weather exposure and would draindry if under cover thats one thing if its due to high water table i might be inclined to build up the slab area with crushed stone aka gravel in

  • Proper Subgrade Prep Concrete Construction Magazine Proper Subgrade Prep Concrete Construction Magazine

    Sep 20 2007 these imported fills may include granular materials such as sand gravel or crushed stone these highstrength and permeable materials offer low compressibility which is ideal for a slabsupport system contractors often ask how to backfill foundation walls for an area that will end up under concrete flatwork

  • Why Is It Important To Have Gravel Under A Concrete Slab Why Is It Important To Have Gravel Under A Concrete Slab

    Mar 24 2010 for the best answers search on this site httpsavt7k i would suggest using 6 of compacted sand and 4 of concrete it is necessary to have the original concrete floor broken if not it should be broken to allow any trapped moisture to drain to the sub grade under the original floor

  • What Do You Use Under Concrete Everything About Concrete What Do You Use Under Concrete Everything About Concrete

    Q we are pouring our garage floor on a new build what kind of material do we use under it the builder currently has some recycled concrete but we need to fill a little more space and level it out we now have heard that the recycled concrete is not the way to go but to use pea sized wash stone that it compacts and levels better

  • 3 Reasons To Use Crushed Stone Under Concrete Slabs B 3 Reasons To Use Crushed Stone Under Concrete Slabs B

    Aug 01 2018 3 reasons to use crushed stone under concrete slabs august 1 2018 gales ferry new london when it comes to building a concrete porch or driveway simply laying down the slabs is not enough in fact the experts at b r sand gravel suggest laying down a layer of crushed stone before installing concrete slabs

  • Ask The Builder Concrete Slab Needs Quality Self Ask The Builder Concrete Slab Needs Quality Self

    What type of stone would be best for filling a cavity under a planned twocar garage addition it is approximately 7 feet deep the local concrete supplier sells recycled concrete for a really

  • Gravel Or Crushed Stone Under Concrete Mobile Crushers Gravel Or Crushed Stone Under Concrete Mobile Crushers

    Jan 27 2015 gravel or crushed stone under concrete liming heavy industry is specialized in the design manufacture and supply of crushing equipment used in mining industry the product range of our company comprises mobile crushing plant jaw crusher cone crusher impact crusher milling equipment ball mill vibrating feeders screens and equipment for

  • Gravel Under Concrete Footing Greenbuildingadvisor Gravel Under Concrete Footing Greenbuildingadvisor

    Martin hit the nail on the head engineers feel all warm and cuddly about 34 crushed stone with fines because they can get a standard proctor of material density and compaction however 34 crushed will pass very little water we use 34 clean stone under footings

  • How To Pack Down Rock Before Pouring Concrete Home How To Pack Down Rock Before Pouring Concrete Home

    Gravel is especially important in clay soil because it doesnt drain well which results in water pooling under the concrete slab and slowly eroding the soil as it finally drains gravel allows

  • Crushed Stone Wikipedia Crushed Stone Wikipedia

    Crushed stone is one of the most accessible natural resources and is a major basic raw material used by construction agriculture and other industries despite the low value of its basic products the crushed stone industry is a major contributor to and an indicator of the economic wellbeing of a nation

  • Crushed Stone Grades A Complete Guide 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

  • How Much Base Material Do I Need For Walkways Patios And How Much Base Material Do I Need For Walkways Patios And

    How much base material do i need for walkways patios and driveways brick pavers when properly installed add considerable beauty to your home and are very functional as well without the proper walkway base material laid beneath the pavers you will run the risk of them sinking or settling unevenly

  • Use Of Crushed Gravel As A Driveway Material Use Of Crushed Gravel As A Driveway Material

    Crushed gravel driveways are commonly composed of sand silt clay and larger aggregates pebbles and small stones stone driveways by contrast are often more elegant the source of the confusion over terminology is that the small stone used in stone driveways is sometimes also referred to as gravel

  • What Kind Of Stone Under Concrete Slab Building What Kind Of Stone Under Concrete Slab Building

    Apr 16 2011 what kind of stone under concrete slab 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

  • When To Use Crushed Stone As Opposed To Gravel When To Use Crushed Stone As Opposed To Gravel

    When to use crushed stone as opposed to gravel 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

  • Why Put Gravel Under Concrete 2019 Update Why Put Gravel Under Concrete 2019 Update

    May 06 2010 i have poured many small sidewalks and shed floors and never put gravel under the concrete i want to pour a driveway section in front of the garage and was told by a guy at the concrete company who came to measure the amount needed that i need to put gravel under the concrete

  • 9 Best Uses For Crushed Stone 9 Best Uses For Crushed Stone

    Crushed stone is exactly what it sounds like rocks that have been crushed or broken down by crushing machines its main uses are as an aggregate for construction and landscaping purposes crushed stone and gravel are different in that natural processes produce gravel and its surface is rounded as opposed to the more angular surfaces of crushed stone

  • Gravel Or Sand Below A Foundation Foundation Engineering Gravel Or Sand Below A Foundation Foundation Engineering

    Jun 05 2007 if you are wanting to provide a working platform to prevent disturbance due to steel placing leveling course to minimize precipitation disturbance i would use a layer of crushed stone or a blinding mat mudmat or a well graded sand and gravel like a subbase or base course

  • Shouldnt I Have Gravel Under Concrete Footers Concrete Shouldnt I Have Gravel Under Concrete Footers Concrete

    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

  • Patio Design Understanding Crushed Stone Patio Design Understanding Crushed Stone

    Crushed stone is one of the most reliable base materials you can use under a patio surface of pavers or slabs dig a patio base 10 inches below grade and lay a flat base of 2 inches of sand after leveling place sheets of erosionreducing fabric over the sand

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