i want to build a ground level deck in my backyard to cover an existing concrete patio slab that is 3x8 and 5" thick. i am having trouble figuring out how to cover the patio slab since i only have 2-½" from the slab to the bottom of the threshold.
i'll also add that a deck post like that concentrates enormous loads. simply placing a post on a patio slab is not a good idea. the post should be resting on a pier that's got a spread footing and is separated from the patio. also, you need my stain solver certified oxygen bleach to clean off all the green algae from your deck post and your
how to build a deck over an existing patio slab with low clearance. hey, some of you have been ignoring our great deck how-tos because you think you cant build a deck over your patio slab. check this out: my uncle kept bugging me about building a deck in his backyard. i tried to explain to my
precast deck pier solution a pennsylvania builder wrote to pdb to recommend perma-columns, which are precast deck posts made with 10,000 psi concrete. "we get to skip all of the messy, small-job concrete stuff," wrote brook rush. "inspectors seem to like them, and my guys love them." neolith adds four new colors to 3/4-inch slab
while a pier and beam foundation will rest on the stone located deep below your home, a concrete slab will rest directly on the ground. for that reason, concrete slabs are ideal for homes that are being built on flat lots. concrete slabs can be constructed very easily and are cheaper than pier and beam foundations.
badly damaged concrete deck slab. a concrete slab in this condition has to be either broken up and carted away or decked over. this was the ultimate bad patio: severely cracked and cratered, some areas raised by frost, others sunken after 50 years of settling. originally, it was tiled, then the tile was chiseled off and the pockmarked surface
ensure a solid footing. decks and other permanent structures require deck supports and footings made from structural strength concrete mix. note: it is important to check local building codes for construction requirements in your area; these requirements will include minimum diameter and minimum depth of the footings.
the cheapest deck foundations are concrete deck blocks that just sit on the ground. the blocks are usually less than $10 apiece. however, you must buy a lot of them to ensure the weight of your deck is spread out over enough soil surface area so that they don't sink.
how to calculate concrete piers by david thompson. save; concrete piers can support a deck, porch, house or barn in all but the softest soils. you must do some calculating to make sure the piers support the weight without sinking or heaving when the ground freezes. calculations also help you plan the amount of concrete.
deck panels. seawalls. advantages of precast concrete pier and deck slabs. besides the variety of precast pier and deck products, the precast production process allows for impenetrable products with supreme longevity and durability. plus our products can be designed with weight in mind, allowing our precast materials to counteract the buoyant
how to remove a deck post in concrete slab part 2: jackhammer. i measured how far the 6×6 deck post was set in the concrete patio slab. the bottom section was set just 2 inches in the concrete post footer and was a total of 13-1/2 inches below the patio slab. the good news is the post base has only a minor amount of wood deterioration
we used concrete deck blocks as our base 52 of them for the extra support. those suckers are heavy. once we determined our ideal placement, we leveled out our square exterior frame. utilizing the concrete footings, we placed our pressure treated 2×6 lumber into the grooves to maintain their vertical position. think real life lincoln logs.
if the integrity of the concrete slab is good and level, you can install some "click together" decking products. there are quite a few new products that just click together like puzzle pieces but are either wood, tile, or composite decking. also, they are made for installation on to concrete slabs and outdoor use.
building codes cover most of the basics about footing size, frost depth, and the bearing capacity of soil and concrete. codes dont, however, tell how to dig a proper footing hole. in this article, learn how to dig holes for deck footings correctly.
building deck on top of concrete patio . taylor104. do you need to attach a ledger to house?or can you attach joists to the concrete? thanks for any advice. putting deck joists on top of a slab is a bad idea. as houstonremodeler explained, you will invite termites, pests, rodents, decay, and other undesirable god knows what.
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.
build your deck on concrete piers, and you'll have a solid foundation that won't heave or twist as a result of frost or poor soil bearing capacity. veteran builder rick arnold walks us through the how-tos of building deck piers.
the deck will be cantilevered over the patio, with the post footings within the perimeter of the slab. the slab will be 4" thick and the footings, which are 20" diameter, extend 18" below the slab. ideally, i'd like to do a monolithic pour to cut down on time and costs pouring the footings and slab at once .
in this video, this old house general contractor tom silva shows how to dig and pour concrete supports. steps: 1. lay two long strht 2x4s on the deck, allowing them to extend out to the center of the two footing holes. 2. hang a plumb bob from the end of one 2x4.
installing a ground-level deck over concrete patio courtesy seven trust decking. seven trust composite decking is approved for installation with 1 ½ of clearance from the bottom of the deck board to the pad/concrete surface meaning you can now install seven trust deck boards almost anywhere.
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 . go to search and look up "underpinning" and you'll probably find more info, if that wasn't clear enough.
concrete mixing procedure for design-build deck projects: how to prepare concrete for deck footings and piers. this article tells how to mix your own concrete or how and when to decide to order a concrete delivery when building a deck, porch, or exterior stairs. we describe mixing small amounts of concrete by hand, using power concrete mixers, and also using a power post or pier hold digger.
concrete footing forms like the quikcrete concrete form featured below are ideal for pouring concrete footings for porch foundations. they usually come in 4 foot lengths are come in 8, 10, or 12 inches in diameter. pouring concrete into concrete footing forms piers like decks, piers are an essential part of porch foundations.
perma-columns reinforced concrete deck piers, which come in 4x4 and 6x6 sizes and in 30-inch and 40-inch lengths, recently received international code council certification. the rebar-reinforced piers come fitted with a u-shaped 1/4-inch powder-coated steel bracket for elevating a wood post above
first, the patio slab may not be safe to build on. just because it's concrete, you can't assume that it will provide a suitable foundation for framed walls. building codes require a reinforced floor slab at least 3½ inches thick. plus, it has to have poured-concrete footings beneath the perimeter to hold the exterior walls that will be built.
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. the weight of the slab on its residential load actually is borne by the foundaton walls and the intermediate
editor's note: the first part of this two-part series described how to design properly-sized deck footings. here the author discusses excavating pitfalls and how to form and pour the concrete piers. footing holes can be a pain to dig.
pier and deck slabs - precast concrete. only spmis precast concrete pier and deck products provide the strength and stability needed for longtime commercial use in the marine environment. online service how to build a floating deck on concrete patio,