there are three common foundations if you choose to build a wooden deck. you could use deck blocks, traditional concrete footings, or the titan deck foot anchor . for your convenience, each approach is described below. using the deck block one option is to use a deck block for the foundation of your deck.
installing decking over old decking will drastically reduce the lifespan of the material. the joints between two materials will readily trap water in wet environments. this contact area should be limited only to the top of the joists, leaving most of the decking exposed on both sides.
decks installed over concrete porches or patios arent all that common. one reason is that on most homes with concrete patios there isnt much space to build a deck. concrete patios are normally found on homes with concrete slab foundations, and the thresholds of the exterior doors are generally very close to the ground, usually three to four inches.
if youre working over a wood subfloor, cement board is the right choice for your tile base. no matter what youre told at a home center, its not a good idea to install tile directly over plywood, especially in a damp area like a bathroom. because plywood expands and contracts beneath the ceramic tile, grout and tile failure loose tiles and cracked, crumbling grout is just a matter of time.
diy decking over concrete is one of our most frequently discussed topics and today wed like to highlight two options that make installing decking over concrete incredibly quick and easy and more importantly, diy friendly. our diy deckcell is the perfect solution for skipping the mess and working over these tricky surfaces. its simple to snap together similar to lego , letting you build a complete solid subframe for a fraction of the time and cost more traditional materials would require.
wood structural panels over above-grade concrete floors. concrete slabs can take 6 to 18 months to properly cure. when installing wood structural panels onto concrete that is still green, use the methods discussed above. installing apa-rated wood flooring panels over sleepers is the recommended installation method.
install the first deck board. if a single board will not span the width of the patio, cut it with a circular saw so that its end lands on the middle of a sleeper. installing decking over a concrete patio raises the level of the patio. doors that open onto the patio may need to be raised. follow proper safety precautions, including wearing
installing wood deck over concrete patio it is possible to install a wood deck over a regular concrete deck buit directly on top of a concrete slab .>> deck boards over concrete slab - doityourself
however, there are three cases where installers are sometimes tempted to install a layer of cement board before applying tile: the existing concrete does not provide an adequate, solid base for tiling. the concrete has been painted over, and paint is not an acceptable surface for thin-set adhesive or mortar.
installing decking boards on top of concrete prevents air from circulating evenly across all four sides of the wood, leading to rapid changes in only one side of the board. this uneven release of moisture causes cupping, warping, and twisting. concrete tends to retain moisture and heat much longer than other materials.
installing new deck boards over a solid, existing frame. construction how-to, decks, decks, outdoor living september 26, 2016 sonia note how we supported the new joist with a concrete block and extended the existing beam with a 2×6 to intersect the joist on the pyramid block.
remember, dont install Seven Trust decking over any concrete. that can cause a deck to begin cupping and other issues because of moisture retention. make sure you have room for framing materials, leaving enough room for the wood to breathe. gap. leave a space/gap of 3/32 between the boards with seven trust decking.
here is the framing for the added area. note how we supported the new joist with a concrete block and extended the existing beam with a 2×6 to intersect the joist on the pyramid block. when we started laying out the new deck boards, we used 7d nails as spacers between the boards,
the easiest way to do it would be to attach a ledger board to the house, above the level of the old concrete. then outside the perimeter of the concrete, install new pier blocks, posts, and beams. between the beams and the ledger, you would install pressure-treated joists that would span the distance,
install cement board - decktile job. if the deck is smooth, it's time to install cement board over top. cement board like durock or other brands is a very stable material and makes an excellent substrate for a tile deck. a bed of thinset mortar must be applied.