Do You Need Gravel Under Concrete

mix up a wet slurry of cement, sand and gravel and pour it in, then unless you have concentrated loads there (commercial vehicle traffic, etc.) 

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CASE & SOLUTIONS

  • Gravel Under Concrete Slab

    Gravel Under Concrete Slab

    it depends a lot on the soil conditions, but gravel is a cheap substitute for extra concrete and rebar, should you have to overex and recompact.

  • Subgrade And Subbase For Concrete Slabs

    Subgrade And Subbase For Concrete Slabs

    subgrade and subbase are the foundation of a concrete slab and play critical role in its infill whereas subbase is a layer of gravel placed on the top of the subgrade. concrete slab can be placed on the top of natural soil without the need for the allowable soil pressure for concrete slab would not cause any problem.

  • Why Your Gravel Shed Foundation Should Be 12' Wider Than

    Why Your Gravel Shed Foundation Should Be 12' Wider Than

    should you build your shed base using gravel or concrete? a gravel shed foundation acts like a basin that collects rain water under your 

  • Building Concrete Patios 101 Rebar, Gravel, Permits And More

    Building Concrete Patios 101 Rebar, Gravel, Permits And More

    do you need gravel under a concrete patio? yes! a strong gravel base is required when building a concrete patio in order to prevent the concrete 

  • Gravel Under Footings, Thickened Slabs, Any Concrete

    Gravel Under Footings, Thickened Slabs, Any Concrete

    if you would like to have improved access to the forum please upgrade gravel under footings, thickened slabs, any concrete bearing item.

  • How Much Gravel Under A Slab

    How Much Gravel Under A Slab

    i am pouring a 5' slab over 4' of compacted gravel. so in your case you would need to figure enough gravel to cover 30x40x about 5inches 

  • Gravel Under Concrete Pad

    Gravel Under Concrete Pad

    there are two issues with gravel for fill material that you should consider. one is the price. it's very expensive compared to dirt or sand. the 

  • What To Use Under Concrete Slab, SandGravel Diy

    What To Use Under Concrete Slab, SandGravel Diy

    what should i use to put under the slab, sand or 3/4 gravel? garage is basically under the concrete you don't want any settling. sand or 

  • Do You Put Gravel Under Footings

    Do You Put Gravel Under Footings

    in this way, do you have to put gravel under concrete? whether you pour concrete for a walkway or patio, a strong gravel base is required to 

  • Packed Gravel Under Deck Footings

    Packed Gravel Under Deck Footings

    i will be setting concrete in tubes at least 42 below grade. under the deck stone instead of gravel (compacted)? i have an old rock garden i would like if your rocks are such that when you pour concrete, the rocks get fully 

  • Is Gravel And Sand A Suitable Base For Concrete Pavers

    Is Gravel And Sand A Suitable Base For Concrete Pavers

    what's under the gravel affects how long the job lasts as much as drainage. in colder areas clay soil will heave and push the slabs out of true.

  • Do I Need To Lay Gravel Before Pavers

    Do I Need To Lay Gravel Before Pavers

    while you don't absolutely have to do so, it can prove beneficial to your pavers are available in concrete, brick and natural stone and in a 

  • Adding Cement Mix To Gravel Driveway

    Adding Cement Mix To Gravel Driveway

    the kind of gravel that is intended to go under cement is typically a smaller grade than the cement should be mixed and smoothed over the aggregate surface. usually, 4 inches of cement will create the height you want for your driveway.

  • Flagstone What To Use, Sand, Cement, Or Gravel

    Flagstone What To Use, Sand, Cement, Or Gravel

    but why on earth would you want to have a concrete foundation anyway? the concrete you can use a course sand for under the flagstones, sure. back when i 

  • Gravel Or Crushed Stone Under Concrete

    Gravel Or Crushed Stone Under Concrete

    equipment should vapor barrier in slab be under 4 in. should you put gravel under a deck? how to build a gravel shed foundation [essential guide] crushed 

  • Do I Need Gravel Under Concrete Patio And Sidewalks

    Do I Need Gravel Under Concrete Patio And Sidewalks

    i live in salt lake city where we get thaw/freeze cycles. i want to put in a new patio and some sidewalks. i want to do it right, but don't really

  • Crush And Run Instead Of Gravel Under Slab

    Crush And Run Instead Of Gravel Under Slab

    can i use crush and run under concrete instead of 3/4 gravel? it is $50 less than washed, but i do not want any structural issues with my slab. if it needs 6', i will comply, but at $675 per 22ton load, it hurts. the slab with a drainable fill] - you are talking about the 3/4' gravel between the ground and the 

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

    Do You Need Gravel Under Concrete Patio, Slab, Footings

    you do need gravel under a concrete slab, footing, or patio. gravel provides a solid foundation for your concrete as it can be compacted. it also improves drainage, preventing water from pooling beneath the concrete.

  • How To Prepare A Site For Concrete Base, Forms And Rebar

    How To Prepare A Site For Concrete Base, Forms And Rebar

    a concrete driveway should last for decades if it's properly installed. out how much base you need is to contact the nearest concrete supplier.

  • How To Pour Concrete Over Dirt

    How To Pour Concrete Over Dirt

    in addition, you must construct sturdy barriers to hold the wet concrete in place until it dries. the trench should be approximately five- to six-inches wide.

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