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do you have to use joist hangers on deck

by Prof. Chadrick Grimes Published 3 years ago Updated 2 years ago

Are Joist Hangers Necessary? No, joist hangers are not necessary.

Full Answer

Why to use joist hangers?

  • For connecting joists to masonry and supporting beams,
  • Build into new brick or blockwork,
  • For extensions and renovation work,
  • Eliminate the need to build around joists or cut holes in facing brick work,
  • Can be used for timber to timber applications

When to use steel joist hangers?

  • Long Leg Joist Hangers. The long legged joist hangers are used when floors are being constructed at different levels to each other.
  • Heavy Duty Joist Hangers. ...
  • I-Joist Hangers. ...
  • Installation Instructions. ...
  • Advantages. ...

What size nails do I use for joist hangers?

  • Hanger Nails. Use short joist-hanger nails to attach the hanger to a ledger or a single header.
  • Longer nails for the sides. When driving through the sides of the hanger, use longer nails.
  • Make a Scab Guide.
  • Drive the tab.
  • Drive Nails.
  • Hang the joist with a bent over nail.
  • Attach the hanger.
  • Scab onto the joist.

How to choose the right joist hanger?

  • Wrap-over joist hangers. Also known as speedy joist hangers or jiffy hangers, wrap-over joist hangers are designed to wrap around three sides of wooden timbers joists to support these from ...
  • Face fix joist hangers. ...
  • Mini joist hangers. ...
  • Masonry joist hangers. ...
  • Long leg joist hangers. ...
  • Custom made joist hangers. ...

Can you build a deck without hangers?

Alternatives to using metal joist hangers are ledger strips, sliding dovetails or mortising and dowels. The methods vary depending on whether it is an exterior deck or an interior platform. When it comes to outdoor decks, the only plausible do-it-yourself technique would be to use a ledger strip to support the joists.

Do you need joist hangers for a freestanding deck?

Re: Joist hangers on Freestanding deck Joist hangers are not really necessary when the joists are being supported from below with a beam and not hung from a wall. But there are some reasons to still use them if you want to.

Do joist hangers add strength?

Joist hangers provide support underneath the timber beam, joist or rafter to provide a strong connection, to resist downward force and to provide structural stability. The galvanized coating would allow the hanger to be used outdoors. They can be fixed, where fixing is necessary, with either screws or nails.

Are joist hangers enough?

Joist hangers are safe if installed correctly. Hanging joists is by no means new. You typically need to hang a joist if the top of it needs to be in the same plane as the beam that supports it. There are all sorts of reasons and conditions on jobs where this is necessary.

Can I use screws for joist hangers?

While structural nails are typically used to fasten joist hangers, you may be wondering if screws can be used instead. You can use screws explicitly made for joist hangers. However, avoid using any other types of screws as they cannot support joist loads and are not designed to withstand shear force.

How far apart should joists be on a floating deck?

How Far Apart Should You Space Deck Joists? The short answer: deck joists are typically spaced either 12 inches or 16 inches apart, on center. (On-center means the length from the center of one joist to the center of the next joist, rather than a gap from edge to edge).

When should joist hangers be installed?

0:031:02How to Install a Joist Hanger - YouTubeYouTubeStart of suggested clipEnd of suggested clipJoist hangers are almost always required when building a deck. Here's how to install them correctly.MoreJoist hangers are almost always required when building a deck. Here's how to install them correctly. Begin with a hanger size for your joist. This is typically marked on the packaging.

How do you fasten deck joists to beam?

1:392:45Build a Stronger Deck: Joist Connections - YouTubeYouTubeStart of suggested clipEnd of suggested clipSupport while the beam itself provides bearing. Support when the joist connects to the rim board aMoreSupport while the beam itself provides bearing. Support when the joist connects to the rim board a framing screw or metal connectors should be used. Both options accommodate all three load types.

How much weight do joist hangers hold?

These hangers are bent to 45 degrees and can be installed with joist hanger nails using the same method as straight joist hangers. Angled joist hangers should be available at your local lumberyard for 2x6 and 2x10....Joist Hanger Vertical Capacity.Joist SizeMin Capacity lbs2x64002x85002x106002x12700

Do joists rest on beams?

Both beams and joists are horizontal structural members used to frame buildings and protect the structural integrity of the walls. Joists can be thought of as several small beams that may rest on top of beams or be fastened to the sides of beams, whereas beams may receive their loads on a vertical or horizontal face.

Do you need joist hangers on rim joist?

When a beam supports the joists from below, securing the rim joist to the field joists with through screws will save time over using hangers. Also, in this situation hangers are redundant because the rim joist carries little weight. The main function of the rim joist here is to keep the joists aligned.

Can you use a nail gun for joist hangers?

0:093:26Joist hanger nail gun. - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd you're on and you're popping. So if you can't get your gun inside of the joist bay or you're inMoreAnd you're on and you're popping. So if you can't get your gun inside of the joist bay or you're in a real hard to reach place go by yourself a little palm nailer.

What is a joist hanger?

Joist hangers are galvanized metal brackets that are affixed to the ledger boards and rim joists of decks. The joists are supported by the hangers, which are themselves fastened to the ledger boards.

What is a joist on a deck?

Joists are the supports which the deck boards are fastened to and are one of the most critical structural elements of the deck, as well as many other common structures.

Why are joist hangers better than toe nails?

Joist hangers are better because they allow for more accurate placement of joists. They also allow for toe-nailing, plus support the underside of the joist. This makes the hanger stronger than a toe-nail. While joist hangers are an expense, the ease and increased strength make them a better choice.

How deep should nails be for ledger boards?

Toe-nailing joists requires that nails be driven at least 1 ¾” deep into the nailed member.

Why is nailing into a joist not effective?

The reason end-nailing into a joist’s face-grain is not effective is because the nail or screw is being fastened with the grain. Nailing into the face grain is much easier because there is less resistance – and less resistance means a much weaker connection.

Do you need a joist hanger?

No, joist hangers are not necessary. You can get away with toe-nailing and the building inspector won’t bat an eye. However, toe-nailing requires more skill. You can easily erode the structural integrity of a joist with a few wrongly placed toe-nails.

Do Simpson joists pull?

There is a tendency for the joist to “pull” to the side opposite, which you are nailing. This forces you to nail from both sides, back and forth, until the joist is exactly where you want it. Also, many Simpson joist hangers incorporate toe-nailing into their design.

What is the most popular option for decking?

An important detail is deciding how the joists will hold into place. The most popular option is a joist hanger. However, options other than hangers may need to be considered depending on what kind of deck is being built.

Why are nails used on decks?

Nails are popular because they are flexible and are more likely to adjust to the changes in climate when the deck begins to shift. Certain pressures applied to deck by a shifting foundation will be better absorbed by the nail and remain stable.

Why do deck screws snap?

They often end up snapping because of slight shifts in movement due to exterior weather conditions leaving your deck in bad shape.

Can you do it yourself on an outdoor deck?

When it comes to outdoor decks, the only plausible do-it-yourself technique would be to use a ledger strip to support the joists.

What is a joist hanger?

Joist hangers can be used anywhere you need to strengthen a load bearing connection. Joist hangers use face mount attachments to fasten joists to ledger boards and beams. You can buy joist hangers for different sized lumber. Single, double, triple, right and left orientation hangers are available for various applications.

What hangers are needed for an angle deck?

Angled decks may require using right- and left-skewed joist hangers. These hangers are bent to 45 degrees and can be installed with joist hanger nails using the same method as straight joist hangers. Angled joist hangers should be available at your local lumberyard for 2x6 and 2x10. Double right- and left-skewed joist hangers are also available ...

What kind of joist hangers are used for angled beams?

Double right- and left-skewed joist hangers are also available for angled beams, but they are relatively expensive. Make sure that all of your deck hardware and fasteners are triple zinc galvanized or stainless steel so they are compatible with ACQ lumber. Never cut, bend or modify deck hardware for alternative uses.

What to do if there isn't a connector?

If there isn’t a connector available, you might need to reconsider your approach to the connection. Sizing Joist Hangers. Always make sure you are using the largest hanger size for a particular joist.

Can a joist hanger be used as a concealed hanger?

Concealed joist hangers can be used in areas where it is difficult or impossible to attach the side flanges of a standard joist hanger.

Can a concealed joist hanger be nailed into a ledger board?

The concealed joist hanger can be nailed into place on the edge of the ledger board without the need to nail into the end grain of the lumber, which is prohibited by code. Concealed hangers can be attached to the sides of support posts to attach the exposed stair stringers and provide a strong and attractive connection.

How to frame without joist hangers?

Perhaps one of the most traditional ways to frame without joist hangers is to have the joists rest on top of a beam. There’s nothing wrong with this method, but realize the top of the beam will be at the bottom plane of the floor joists.

Why do nails anchor on joists?

Anchor Effect. As these nails are installed on each side of the joist, they create an anchoring effect because the nails are driven at opposing angles. The key is to make sure the carpenter used 3-inch or longer nails. I would randomly remove several to make sure you have the correct length.

Can you see holes in a deck joist?

If your carpenter used high-quality decking joist hangers and the correct nails, you probably will have no problems. You should be able to see on the face of the joist hanger that’s on the actual joist several small holes.

Do joist hangers have nails?

Most of the manufacturers of high-quality joist hangers sell their own approved nails. Not only are the nails heavy duty, but they also have a special galvanized coating that’s designed to resist rust and corrosion from chemicals found in modern-day treated lumber .

Can you nail joists to band board?

Be careful about installing joist hangers and nailing both sides to the band board without the joist being in place. It’s easy to install the hanger too tight and you can’t get the joist into the hanger. There are special tools that create the correct spacing.

Can you install hangers before joists?

Installing the hangers before the joists are in place can also cause height issues if the joists and the beam are not the same heights. Believe me, there can be up to one-quarter inch in difference. Welcome to the world of rough lumber!

Do roofing nails pop off?

Roofing nails don’t have the inherent strength to support the weight of a deck or any framing member. Not only are the shafts of roofing nails too small, but the heads of roofing nails can also easily pop off when subjected to low amounts of tension.

Joist hangers on both sides of deck?

I’m building a floating (no ledger board on house) deck on a slope with a buddy and we did not make either side cantilevered. One side is a grade level beam and the other is sitting on 4×4 posts 30” off the ground. We were going to hang the joists on each beam using joist hangers.

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