what size gravel is used under a concrete slab

Posted at: November 15, 2012 [ 4.7 - 3127 Ratings]

Why is it important to have gravel under a concrete slab? – … Mar 24, 2010 · Best Answer: ok, all of…

  • Why is it important to have gravel under a concrete slab? – …

    Mar 24, 2010 · Best Answer: ok, all of the previous answers are partially correct in different ways. Conventional wisdom, for a residential garage use, is 6" of a mix of …

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  • How Much Gravel With Concrete Slab? | eHow.com

    How Much Gravel With Concrete Slab?. Gravel provides a solid, … How Much Gravel Should You Put Under a Cement Patio? … How to Class Crushed Rock by Size.

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  • Does Gravel Make the Best Base for a Concrete Slab? | eHow.com

    Does Gravel Make the Best Base for a Concrete Slab?. … The best type of gravel to use for a concrete base is 3/4-inch medium gravel. This size comes in irregular …

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  • Gravel Costs (under Concrete Slab) for Goldenseal Construction …

    Gravel under Concrete Slab . Other Links: New & Used Swiss Army Knives. New & Used Leatherman Tools . Goldenseal … Unit Size: One square foot.

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  • Pea gravel for interior floor slab support – Eng-Tips Forums

    Six inches of pea gravel, I assume that the max particle size is 0 … watered sandy gravel base beneath concrete slabs. … commonly used under floor slabs and …

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  • Gravel / rock under concrete. – TractorByNet.com | Compact …

    Gravel / rock under concrete. … The main thing when pouring concrete for a slab or footing … Around here all that is used under concrete is compacted …

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  • Do you need to put gravel under a concrete pad? – Yahoo! Answers

    May 12, 2008 · Dig down 8 inches in your backyard the size of the pad … and you want a 4 inch thick slab of concrete … Do I need crushed stone/gravel under my …

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  • What Size Gravel To Use Under Concrete Pad – Building …

    What size gravel to use under concrete pad. Approx numbers: 340 cubic feet. 21,760 lbs. 1813 pounds/sqr ft. I think you’d be safe w/ a steel reinforced 4" slab, …

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  • Pouring A Concrete Slab – Do I Need A 4" Gravel Base? – …

    The size of the pad is about 9ft X 19ft. I’d like to just pull up the blocks, put some forms in, … Pouring a concrete slab – Do I need a 4" gravel base? Quote:

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  • Why Put gravel under concrete? – Welcome to The Home …

    Propane fireplace tank size. … shed floors and never put gravel under the concrete. … gravel, like 57 stone, under a slab is used as a capillary break to prevent …

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  • How much gravel under concrete? – TractorByNet.com | Compact …

    … How much gravel under concrete? … for our slab bases. I personally wouldn’t use gravel in a … gravel has a wide gradation of material size

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  • Working With Concrete. Concrete Mixing Guide. Home Concrete

    The second material used in concrete is called aggregate … along with the gravel sizes. … inch size gravel or crushed stone. A 6-inch thick slab can …

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  • compacting gravel under a slab [Archive] – JLC-Online Forums

    So I would need about 2 and a half to three feet of gravel fill beneath the slab. I’ve never used this much gravelconcrete into the gravel under this slab. … size and …

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  • Vapor barriers under concrete slabs

    under concrete slabs. Even though the use of a vapor barrier might be com-mon, the specified location of the va- … gravel layer that served as a capillary

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  • Should vapor barrier in slab be under 4 in. of gravel or on top of …

    … 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? … the concrete slab.

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  • CIP 29 – Vapor Retarders Under Slabs on Grade

    aggregate with the largest possible size. … coarse gravel or crushed stone as a capillary break. … Under Concrete Slabs, …

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  • Concrete Slab – How to install the right way – Everything-About …

    Back fill the boards with some gravel so they don’t move when the concrete is poured. 10. That’s it! … SHOULD I USE A VAPOR BARRIER UNDER MY SLAB?

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  • How to Build Cement Slab | How to Build Garage

    Base – layer of material on the subbase (directly under the cement slab) For garage and shed cement slabs there is typically only one size gravel for a base.

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  • Harmony Sand & Gravel

    When crushed down to the finer sizes, … as a leveling and bedding material under concrete slabs; in filter … It is used to manufacture concrete pavers; …

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  • Quality Concrete Slab Design

    Slab Floors Concrete slabs are used in … (gravel) under the concrete and on … However,there is general agreement that the reinforcement will limit the size of …

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