Make sure you check for any cracking in harder-to-see areas, like joints. Take the time to thoroughly inspect your deck for any cracks that have spiderwebbed beyond the initial fault line. Obviously, a crack in your concrete deck is going to catch your attention, but the issue may run deeper and stretch farther than what you can see with a cursory glance. If you’ve noticed cracks forming on your concrete deck but are unsure how to remedy the situation, keep in mind these key factors that could influence your approach. Besides marring the deck’s appearance, they expose the concrete to more moisture, creating even bigger problems if left unchecked. Finding cracks in surfaces like concrete decks can be a cause for concern because they’re sometimes tricky to repair. However, like any other material, factors like weather, moisture, frequent use, heavy traffic, and the simple passage of time will eventually take a toll. Should you decide to build a deck more than 8 inches above the ground, don’t forget to include a stair or two in the plans for stepping on and off safely and easily.Concrete is an extremely versatile and durable building material. If you’re not experienced in this type of framing, call a reputable contractor or deck builder. A deck that floats on all sides requires advanced framing skills that involve installing cross-joists and notching rim joists to support them. On the sides parallel to the joists, the support blocks beneath will be visible. Usually, this floating effect occurs on the two sides of the deck where the joists end. This, combined with the deck’s close proximity to the ground, gives the illusion of a hovering platform. The “floating” aspect is created when joists extend far enough past the blocks to obscure the blocks. If you’re unsure how to size your lumber, take a drawing of your deck to the engineering department of your local lumberyard (not a do-it-yourself center) for help choosing the correct dimensions. Lumber dimensions you choose depend on the intended size of the deck and joist span. You’ll set support beams on the deck blocks, and then install deck joists on top, perpendicular to the beams. Once the base is in place, you’ll apply standard deck construction techniques. Photo: ASCRIBE TO STANDARD DECK CONSTRUCTION Basic models start in the $200 range, so if you don’t want to spring for one, rent one for about $40 per day. Using a laser level will ensure accuracy. Deck blocks must sit on a stable surface, typically comprised of compacted sand a few inches deep, and their tops must be perfectly level. While you can build one on concrete pavers or over an existing level patio, perhaps the soundest way to support a floating deck is with pre-made concrete deck blocks that have notched tops designed to hold either 4×4 posts (on end) or 2×6, 2×8, or 2×10 lumber (on edge). If you decide that a floating deck is for you, keep in mind that your finished product will only be as good as its structurally sound base. If the ground beneath a floating deck settles, the deck could tilt or sag, requiring it to be rebuilt.A floating deck can become a hazard in serious storms, as high winds can potentially toss it off its base.Because floating decks sit low to the ground, there is an increased likelihood of weeds growing up between the decking planks.All of that said, don’t let the term fool you: You can’t take a floating deck with you if you choose to move-they’re not portable.Ī well-constructed floating deck adds style and comfort to a backyard, but it has a few possible downsides: If your neighborhood has a homeowner’s association, however, you will need to get permission before proceeding. Because it’s not attached to the ground or an existing structure, local building authorities do not require a building permit. They rely on a structural base that’s not permanently fixed in the ground, classifying them in most communities as personal property instead of real estate. Floating decks, on the other hand, sit low to the ground and actually appear to float on two or more sides, depending on the joist system design.A traditional deck has posts cemented below ground level, making the deck a permanent structure and subject to local building codes.There’s not a big cost differential in materials for either a traditional or a floating deck the main difference lies in their structural support systems.
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