Knowledge Builders

how do you support a balcony

by Mabelle Rowe Published 3 years ago Updated 2 years ago
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In general there are 3 main structural design options to support a walk out balcony system:

  • 1) Cantilever support through the building
  • 2) Supporting posts to the ground
  • 3) Gallows brackets / Tie-rod combination

The balcony structure is supported using vertical pillars or posts. The weight of the balcony or balconies (if stacked on top of each other) is supported by these pillars and transferred to the ground where concrete pads are usually cast.

Full Answer

How do you support a second floor balcony from below?

A second-floor balcony can be supported from below with a series of brackets — either timber-framed brackets or steel brackets. They can be as simple as a series of triangles made from 4x4s, or as fancy as a decorative wrought-iron bracket made by a New Orleans blacksmith.

How are balcony pillars supported?

The weight of the balcony or balconies (if stacked on top of each other) is supported by these pillars and transferred to the ground where concrete pads are usually cast. The size of these pillars is an derivative of the size, weight and number of balconies stacked on top.

Why use support posts for your balcony?

Supporting posts will allow for greater flexibility in design especially for those requiring larger walk out balcony areas in both width and depth. Posts are usually affixed to precast concrete slabs although smaller balconies can have these poses concreted straight into the ground for a more DIY friendly installation.

How do you secure balusters to a balcony?

Use 2x2s for the tops of the hand rails so they are easy to grip, securing them to the support posts you've installed around your balcony. Your balusters can be cut into whatever design or width you would like, but they should be spaced no more than four inches apart when secured.

What is a balcony?

What is a cantilever balcony?

Can you use a support bracket on a balcony?

Is it worth adding a balcony to a room?

Can you support a balcony without a post?

Can you manage a vacation home?

Can you cantilever a building?

See 4 more

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How are balconies supported?

Balconies employ joists, or lateral piece of wood, that run between the primary support beams of the structure. Joists support the floor of the balcony while reinforcing the beams. The juncture between a joist and beam requires special support mechanisms, such as ledger strips or joist hangers.

How do you support a balcony deck?

Cables, brackets, or piers There are two possible ways of supporting the two corners of the balcony adjacent to the building: You can install a conventional deck ledger that is attached to the building, or you can support the corners on posts that bear on footings, like a freestanding deck.

How are concrete balconies supported?

Steel planks extend from the building's frame and are then filled with concrete. On both types of balconies, railings are added after initial construction and are either embedded into the concrete of the balcony or surface mounted.

How do you fix a sagging balcony?

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What is the minimum live load on a balcony?

The minimum uniform live load for balconies and decks is 1.5 times the live load for the area served.

What is a cantilevered balcony?

A cantilevered balcony is a structure that extends outward away from a wall in a home or other building. It uses a cantilevered design — that is, the beams that hold up the balcony are secured only at one end, meaning the other end that extends outward from the structure is unsupported.

Can my balcony fall off?

Many properties, such as homes, apartments, restaurants, theaters, music concert halls, and more, have balconies. When they are not maintained properly, the balcony can collapse. Victims can suffer serious injuries when this occurs.

How much weight can concrete balcony hold?

Overloading a balcony could result in a safety hazard that puts you or someone else in danger. That being said, generally speaking, balconies are load-rated to 50-100 pounds per square foot. Although, there's a chance that your balcony was structurally built as a patio, which may change its load rating capacity.

How are balconies attached to buildings?

The balcony structure is supported using vertical pillars or posts. The weight of the balcony or balconies (if stacked on top of each other) is supported by these pillars and transferred to the ground where concrete pads are usually cast.

Why is my deck pulling away from house?

One of the most common and potentially most damaging reasons for deck failures is for the ledger board to pull away from the house. The ledger board is usually a 2×10 or 2×12 that is attached to the house. The joists for the deck are attached to the ledger board.

How much does it cost to fix a sinking deck?

The average cost of deck repair is $500, and total costs typically range from $250 to $1,200. Smaller repairs and fixes cost $48 to $150, and more extensive repairs cost $1,800 to $3,000. The total cost to repair a deck will depend on its size, the extent of the problem and the cost of the materials.

What kind of jack do you use to lift a deck?

Place the jacks using the same spacing as any posts or supports. You can use any hand-crank jack for decks close to the ground, such as those included in vehicles for changing tires, says Her Tool Belt, or joist jacks for higher decks.

Can you add a balcony to an existing house?

A second-story balcony will require a permit from your city before construction can begin. If you've chosen a contractor with the appropriate credentials and licenses, he or she will be able to guide you through the permitting process and give you valuable design advice.

How much does it cost to build a second floor balcony?

A balcony costs from $20 to $90 per square foot, including materials and labor costs, although most people pay around $35 per square foot. If you're installing a small balcony big enough to accommodate a few chairs and a coffee table (4 feet by 10 feet), expect to pay $600 to $2,400.

Can you put a balcony on the front of your house?

The answer is usually 'Yes', because it affects the exterior of your property. Balconies are in the 'platforms' category: think roof terraces or high level decking. Anything above 30cm is not a Permitted Development – but do not be deterred – because balconies are desirable features for resale too.

What are the different types of balconies?

Below are the different types of balconies that will help you come up with the balcony structure that will work best for your home.Hung balconies. ... Stacked balconies. ... Cantilever or projecting balconies. ... Balcony Decking.

What are the best ways to support a walk out balcony?

Walk out balcony designs. In general there are 3 main structural design options to support a walk out balcony system: 1) Cantilever support through the building. 2) Supporting posts to the ground. 3) Gallows brackets / Tie-rod combination.

What is a support post for a balcony?

Supporting posts will allow for greater flexibility in design especially for those requiring larger walk out balcony areas in both width and depth. Posts are usually affixed to precast concrete slabs although smaller balconies can have these poses concreted straight into the ground for a more DIY friendly installation.

What is a walk out balcony?

A designed system whereby the walk out balcony appears to be almost free-floating but in reality considerable support is engineered to be counter-balanced when fixed into the buildings main structure. This type of balcony is most popular on new build apartments and not suitable to be retro-fitted without considerable building works to accommodate it. A cantilever design also allows for limited balcony depth dependent on the steel member sizes.

Can a gallows bracket be used for a walk out balcony?

Where there is a requirement for clear access below the balcony a gallows bracket and tie-rod combination can work very effectively as a support system. Generally a walk out balcony is situated above patio doors and supporting posts may be undesirable making a gallows bracket design favorable. These balcony styles work most effectively over smaller openings and with modest depth without looking overly bulky in order to support the structure.

Can you stain a balcony?

Now you can complete the finishing touches on your own personal balcony, including staining, sealing, or painting the hand rails and the rest of the balcony so that it matches your home properly.

Can plywood be used to install subfloor?

Now you are prepared to install your subfloor, which can be made from plywood. Make sure that the subfloor is both glued and properly screwed into the joists for it to be sturdy and secure.

Why is balcony a popular structure?

This is the most popular type of balcony structure, mainly because of the simplicity of implementation and the minimal load implications on the building. In fact it is a separate structure to the building and on occasions is not even connected structurally.

How are balconies supported?

The balcony structure is supported using vertical pillars or posts. The weight of the balcony or balconies (if stacked on top of each other) is supported by these pillars and transferred to the ground where concrete pads are usually cast. The size of these pillars is an derivative of the size, weight and number of balconies stacked on top.

How deep is a cantilevered balcony?

Cantilevered balconies are usually made to a maximum of 1500-1800mm depth. Beyond these depths the forces grow and require much more technical solutions. The smaller the depth the less movement you can expect. Being cantilevered members they will always have a bit of movement and "bounce".

Do balconies need chains?

The weight and imposed loads are supported by cantilevering the structure off the wall. These balconies will not need or have gallow brackets or chains. This type of balcony, while possessing the most aesthetic end result, will require to be designed in advance and will impose larger point loads on the building.

Second-Floor Balcony Supported by Brackets

A second-floor balcony can be supported from below with a series of brackets — either timber-framed brackets or steel brackets. They can be as simple as a series of triangles made from 4x4s, or as fancy as a decorative wrought-iron bracket made by a New Orleans blacksmith.

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Where are bracketed balconies?

Many of the balconies at City Green, a nine-story apartment complex in downtown Milwaukee, for example, were bracketed balconies. The exterior walls feature CFS studs integrated with hollow-tube steel to support the balconies, some of which support hot tubs.

What is a CFS balcony?

CFS cantilevered balconies use structural elements that protrude out over the top of the CFS bearing wall (or over another bearing element). The cantilevers provide the balcony floor. How far the balcony extends outward from the wall depends on the depth of the cantilever members. The deeper the members, the further out the balcony can extend.

What is wing wall supported?

Similar to ledger-attached, post-up supported balconies, wing wall-supported balconies, which span from side wall to side wall, provide privacy for occupants.

Can a wing wall balcony be a deck?

Ford says that some code authorities even allow a wing wall-supported balcony to be designed as a “deck.”. While not technical ly a deck , the balcony under certain provisions can have the identical live loads as the adjacent occupancy, Ford says.

Can cold formed steel support balconies?

Not all architects know that cold-formed steel structures can support balconies. Here are five ways to attach balconies to CFS structures. Architects working on cold-formed steel (CFS) structures might wonder whether their buildings can support balconies. The answer: Absolutely.

Can you build a bigger balcony?

With this type of construction, architects can generally design bigger balconies with the same amount of structural CFS, although proper foundations are needed to support the outboard posts. And, according to Ford, post-up systems are simple to frame and offer more support than other balcony attachment types, making them the balcony selection of choice for many buildings.

How should a deck be supported?

There are two possible ways of supporting the two corners of the balcony adjacent to the building: You can install a conventional de ck ledger that is attached to the building, or you can support the corners on posts that bear on footings, like a freestanding deck. When it comes to the two corners of the balcony that are farthest from the building, you have three choices: You can hang the corners from the building with diagonal steel rods or cables, you can support the corners from below with diagonal wooden brackets, or you can support the corners on independent posts , like a conventional deck.

What is the best material for wicking a deck?

Thermal bridging and moisture risks. Some builders address the wicking problem by installing plywood on the exterior deck, followed by a waterproof surface material such as fiberglass. This works better than deck boards with drainage gaps, but it still leaves a tricky problem at the door threshold.

What is a support post for a balcony?from diometonline.co.uk

Supporting posts will allow for greater flexibility in design especially for those requiring larger walk out balcony areas in both width and depth. Posts are usually affixed to precast concrete slabs although smaller balconies can have these poses concreted straight into the ground for a more DIY friendly installation.

What is a balcony?from quora.com

The balcony. A balcony is a platform on the outside of a building, enclosed by walls or balustrades, supported by columns or console brackets. The platform is projecting or overhung-ed from the wall of a building, usually above the ground floor.

What is a cantilever balcony?from quora.com

A cantilever balcony is a balcony suspended in this manner.

What is a walk out balcony?from diometonline.co.uk

A designed system whereby the walk out balcony appears to be almost free-floating but in reality considerable support is engineered to be counter-balanced when fixed into the buildings main structure. This type of balcony is most popular on new build apartments and not suitable to be retro-fitted without considerable building works to accommodate it. A cantilever design also allows for limited balcony depth dependent on the steel member sizes.

How many structural options are there for a walk out balcony?from diometonline.co.uk

In general there are 3 main structural design options to support a walk out balcony system:

Is it worth adding a balcony to a room?from quora.com

depending on what your end up looking over, a balcony added to a room could add considerable value to the worth of said room; i would say a worthwhile investment assuming your construction costs are reasonable ( 20 grand ? off the top of my head…) so go for it

Can plywood be used to install subfloor?from doityourself.com

Now you are prepared to install your subfloor, which can be made from plywood. Make sure that the subfloor is both glued and properly screwed into the joists for it to be sturdy and secure.

Why brace a deck?

For high-level decks supported by wood posts, bracing should be provided to resist horizontal (lateral) force that can cause vibration, sidesway and even collapse. Such lateral force can occur due to the movements of persons on the deck, as well as wind and seismic (earthquake) action.

How much load does a deck need to support?

In general, this means that the deck must have capacity to safely support uniform live load of 40 pounds per square foot (ps f) on the entire deck surface.

How are deck joists built?

Many decks are built by installing joists (such as 2x10s) perpendicular to back wall of house. Front ends of these joists (at the house wall) are supported by joist hangers nailed to a wood ledger board connected to the house. This connection must have adequate design capacity to support load from deck floor joists. All-too-often connection is made only with grossly inadequate nails or lag screws. The result of inadequate connection is a deck collapse waiting to happen.

Is a balcony a deck?

Any walking surface that extends out from (or over) a wall, without any support along the far edge, is considered a balcony ( not a deck). The balcony is considered to be cantilevered from the wall. Minimum design live load for a balcony is 60 psf per code. However, this discussion is not applicable for a balcony.

Can you use nails on a deck?

However, the building code does not allow use of nails for deck support if the nails may be subject to pullout (withdrawal) force. Such condition might be applicable for a deck without any other method of resisting outward lateral force. Such force may have to be considered for an upper level-deck without sloped bracing.

Can deck joists be parallel to house wall?

Deck joists can also be installed parallel to house wall, supported by beams that are perpendicular to house wall. Of course proper support for ends of beams near house wall must be provided, which will require a new foundation element unless each beam is extended into back wall of house (supported on new column in the wall).

What is a balcony?

The balcony. A balcony is a platform on the outside of a building, enclosed by walls or balustrades, supported by columns or console brackets. The platform is projecting or overhung-ed from the wall of a building, usually above the ground floor.

What is a cantilever balcony?

A cantilever balcony is a balcony suspended in this manner.

Can you use a support bracket on a balcony?

This is just a variation of cantilever, but has less stress on the horizontal members and usually results in a large usable balcony area. This is used when you want to add a balcony but can’t retrofit it into the existing structure; a pure cantilever must be built-in from the start

Is it worth adding a balcony to a room?

depending on what your end up looking over, a balcony added to a room could add considerable value to the worth of said room; i would say a worthwhile investment assuming your construction costs are reasonable ( 20 grand ? off the top of my head…) so go for it

Can you support a balcony without a post?

Supporting balconies without posts is typically accomplished with 3 different techniques. They’ve all been around for a long time and are tried and true.

Can you manage a vacation home?

Managing your vacation home can definitely be daunting, especially when you don’t have the time for all the marketing, guest requests, cleaning, repairs, and other around-the-clock logistics. It’s especially overwhelming if you live miles away. Luckily, Vacasa has been managing vacation re

Can you cantilever a building?

1) You can cantilever it. This technique is used in a lot of high end architecture, including the famous Frank Lloyed Wright Fallingwater house out in the Laurel Highlands in PA, a summer home for the wealthy Kaufmann family of Pittsburgh. In cantilever, the horizontal supports for the balcony are beefed up and extend into the building so that the mass of the building presses down on the end of the beams like a giant seesaw where the pivot is the edge of the building.

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1.How do you support a balcony without posts? - quora.com

Url:https://www.quora.com/How-do-you-support-a-balcony-without-posts

30 hours ago  · The balcony structure is supported using vertical pillars or posts. The weight of the balcony or balconies (if stacked on top of each other) is supported by these pillars and …

2.How to Build a Balcony | DoItYourself.com

Url:https://www.doityourself.com/stry/how-to-build-a-balcony

10 hours ago But this solution does stand to give you the clearance you need in the area below the balcony and if done right will surely support the load anticipated. You would certainly have to get a drawing …

3.Types of Balcony Structures | Balcony Systems

Url:https://www.balconette.co.uk/glass-balustrade/articles/types-of-methods-of-fixing-balcony-structures

5 hours ago For deck joists perpendicular to house wall, a much-preferred alternate method of support is to install a beam (girder) about 2 to 3 feet away from (and parallel to) the house wall. Although …

4.Second-Floor Balcony Supported by Brackets

Url:https://www.greenbuildingadvisor.com/cad/detail/second-floor-balcony-supported-by-brackets

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