deck piers under concrete slab

Headwaters 12 in. x 8 in. x 12 in. Concrete Patio Pier

Solid pre-cast concrete deck foundation piers are intended to help construct a free-standing Wooden Deck. Typical deck lumber can be inserted into these block to create the foundation. Manufactured of Durable high strength concrete.

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How should I extend a concrete patio under an existing deck?

Under the deck is a 40-year-old, well-settled, 12x20x6" concrete patio. The deck posts are set outside of the patio, set on footings underground - so the posts are buried. I'd like to extend the concrete patio so it matches the dimensions of the deck.

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Building a Roof Over a Deck or Patio - HomeTips

If local codes allow setting the overhead directly on an existing slab but the concrete is not thick enough to support the overheads weight, you will have to pour new footings around the slabs perimeter or break out sections and pour deeper footings.

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Piers under existing slab - JLC-Online Forums

Re: Piers under existing slab SS; Cut out where the posts go, dig your pier holes, you can drill and epoxy some rebar into existing slab, extending into the pier if you think it's neccessary hard to tell from here .

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Decks.com. Deck footings, foundations and piers

We feature articles on how to install continuous concrete pier foundations, belled piers, footing forms and the buried post on top of the footing method. Learn tips from the pros on how to mix and pour concrete for deck footings. Concrete Foundation Washout Learn how to use a concrete saw to cut a hole in a patio slab to install a deck

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Putting Footings Under Existing Slab - Concrete, Stone

edit - To put footings under the slab, you can cut holes wherever needed, excavate for footings Sonotubes or concrete piers or similar and then patch the concrete slab. Dick Last edited by concretemasonry; 08-05-2014 at 09:52 PM .

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New forms make pouring concrete piers a cinch

New forms make pouring concrete piers a cinch concrete. Be sure the soil under the pier is stable and compacted before you place the concrete pier form and pour the concrete. You can watch two

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COMMONLY USED RESIDENTIAL BUILDING CODES

DECK FOOTINGS OR PADS. Section R403.1.1, Table R401.4.1 IRC 2009. Sill and sleepers on a concrete or masonry slab that is in direct contact with ground unless separated from such slab by an impervious moisture barrier. 4. The ends of wood girders entering exterior masonry or concrete walls having clearances of less than 0.5 inch 12.7

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When to Use Above-Ground Concrete Piers on Decks Hunker

Above-ground deck piers are precast, tapered concrete blocks with a wide base that are intended to rest directly on the ground or a concrete base. When constructing a deck in an area that receives minor amounts to no frost, these piers often serve as suitable deck footings.

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Deck CAD Details

---EXTENDSFROM DECK EDGE TO UNDER SIDING. RAILING FLOORING JOISTS i REINFORCEDCON CRETE 1 1/4" LIGHTWEIGHT MIN. Pier Block on undisturbed soil gravel orfooting 4" x Timber-Beams See Detail "C" or concrete slab I I HANGERII / / \ \ \ " DECK RAILING DETAIL Joist Hanger Samples from www.AutoCADDetails.net. I

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Deck Piers on a Concrete Slab - green composite decking

Slab, Driveway And Deck Piers I've done some pretty I need to have a 6' x 12'8" slab, 6 deck piers under my concrete work. I DO NOT put base under piers. Online Service To connect wood deck posts to concrete piers, plum bob is

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Pier Slab System Concrete Construction Magazine Slab

The important difference between the new floor design and conventional slab-on-ground construction is that the concrete floor, in combination with welded wire fabric, is a semi-structural slab somewhat similar to a bridge deck.

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Ultimate Deck Build 2015: Pouring and Finishing Concrete

In this deck build series, well show you how to build the slab forms, mix concrete to the right consistency, screed the pads to be level, and then work through the different floats and trowels that are used to smooth and finish the surface of the concrete slabs.

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Concrete Slab over Piers? Fine Homebuilding Breaktime

To support the posts I was going to drill 24" holes for footings/piers, like any other deck. To support the tapered end of the ramp joists, however, I was thinking of pouring a 4" concrete slab and have the joists rest on the concrete with some sort of standoff.

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How to Build a Solid, Frost-Proof Deck Footing The

Thats why concrete piers poured in waxed cardboard tubes and smooth wooden posts work well for below-grade support. Heres how to get a solid, frost-proof footing: When you pour concrete footings, hold the cardboard concrete form tube about 12 in. up from the bottom of the footing.

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Reinforced Concrete Slab Design Using the Empirical Method

Reinforced Concrete Slab Design Using the Empirical Method Bearing of piers is N 27 E 27 skew angle Slab concrete has a 28-day strength of 28MPa. The slab is cast-in-place and water cured. The specified 28-day strength of the deck concrete is not less than 28MPa Yes

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re-bar in deck footings - JLC-Online Forums

Re: re-bar in deck footings Footings less than 3:1 width to thickness don't require rebar for structural capacity under "normal" conditions. What the rebar will do is help keep the footing in one piece if things don't go just right too much water, weak spot in the soil, un-level base, too fast a cure .

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Deck Posts And New Concrete Slab Over? - Building

Dowel your existing piers and pour the slab allowing the new concrete to fill in on top of the piers. Be sure to embed new anchor bolts in the slab. Once the concrete has cured, install the new post base brackets and re-attach the posts. remove temporary supports and make yourself a cocktail to enjoy the new patio.

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A Deck Builder's Guide to Placing Concrete Slabs

Outside of footings, small slabs are what deck builders use concrete for most often. But rather than calling in a sub to pour a stair landing, hot-tub pad, or sidewalk, having the know-how to do it in-house can make jobs go a lot smoother.

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