The best and easiest option is to mount a 2×8 directly to the existing 2×6 ledger board with 3 m10 or m12 3″ screws top/middle/bottom every 16″ on center. This is a common construction practice which I have detailed many times (I work at an architectural/structural firm).

Can ledger board be bigger than joists?

As a general rule, you should use the same size of board for the ledger as you plan to use for the joists. You can use a larger board, however, if it allows for a better connection to the house framing. Calculate the length as 3 inches less than the width of the deck framing.

Can I use 2×8 joist hangers for 2×6?





Usually, the hanger size is the same as the joist size, but you can use a hanger that is one dimensional size less than the joist depth—a 2×6 hanger can be used with a 2×8 joist, for instance. Keep in mind that the load capacity of the smaller hanger needs to be adequate to support the load on the joist.

How do I attach deck joists to ledger?

Quote from the video:
Quote from Youtube video: Into the joist. And then into the ledger board so first off when you put a joist in it's critical that you be tight up against the ledger board.

Can I use a 2×6 as a deck ledger?

2×6 P. Treated bolted as / the size of your deck. It should be 6-8 inches above grade ideally, but you can get ground contact PT that can be placed closer. You want a flashing that won’t react with the larger copper content of the treatment.

Can I use a 2×8 for a ledger board?

The best and easiest option is to mount a 2×8 directly to the existing 2×6 ledger board with 3 m10 or m12 3″ screws top/middle/bottom every 16″ on center. This is a common construction practice which I have detailed many times (I work at an architectural/structural firm).

How far apart should lag bolts be on a ledger board?





The fasteners must be compatible with pressure-treated lumber to prevent corrosion. Typically, you will need to install your bolts alternating high and low 2″ from the top and bottom of the ledger board. As a rule of thumb, bolts can be spaced 16″ on center for supporting joist span up to 12′ in length.

Can I use 2×8 for deck joists?

If the outside edge of your deck is at least 17” above grade, a double 2×8 deck beam should be installed to support the joists along the outside. The joists will then extend over the beam in a cantilever position.

Are 2×6 strong enough for deck joists?

2×6 deck joists are strong enough to provide a decent size deck for a few chairs and a barbeque.

What size should a deck ledger board be?

Ledger shall be a minimum of 2×8 nominal. Where guards are required, outside joists and rim joists shall be a minimum of 2×8 nominal.

How far can a 2×8 joist span without support?



In general, a 2×8 will span 1.5 x 8, so 12-feet. Based on all factors though, a 2×8 joist span is 7′-1” to 16′-6”, and a rafter 6′-7” and 23′-9”. What is this? In this guide, we’ll explain what span means in terms of construction, factors that impact the span, and how much weight a 2×8 can support.

How much weight can a ledger board hold?

The ledger is 10′ long so every foot of ledger must be designed to carry at least 200 lbs of load.

How does a ledger board support joists?

A joist hanger is an inexpensive, u-shaped metal bracket that supports joists, anchoring them to a ledger board. A ledger board — a flat piece of timber anchored to the frame that evenly spreads the load of the joists it supports — is used for the installation of hangers.

How much clearance is needed if a deck is supported by a ledger?



The maximum gap between the face of the ledger board and face of the wall sheathing shall be ½”. Ledgers shall be flashed or caulked to prevent water from contacting the house band joist (see DCA 6, Figures 14 and 15). Lag screws and bolts shall be staggered per DCA 6, Figure 19.

Does a ledger board have to be one piece?

The ledger board doesn’t have to be one continuous board. It can be a series of broken sections if it is solidly attached. This will require extra bolts and installing a 2x nailer across the top of the vent to secure the decking along the house wall.

What can I use for a ledger board?

Quote from the video:
Quote from Youtube video: Похожие запросы

What size should ledger board be?

Ledger shall be a minimum of 2×8 nominal. Where guards are required, outside joists and rim joists shall be a minimum of 2×8 nominal.

Can a deck ledger board be two pieces?



The ledger board doesn’t have to be one continuous board. It can be a series of broken sections if it is solidly attached. This will require extra bolts and installing a 2x nailer across the top of the vent to secure the decking along the house wall.

How much weight can a ledger board support?

The ledger is 10′ long so every foot of ledger must be designed to carry at least 200 lbs of load.

Should deck rim joist be doubled?

It is advisable to increase the rigidity and strength of your deck’s rim or perimeter in order to reduce bounce and provide a solid foundation for your rail system. This can be accomplished in a couple of ways. You may want to install double rim joists across long sections to respond to the flexibility of the material.

How far can I span a 2×8 for a deck?

A rule of thumb is 1.5 times a joist’s depth but in feet when spaced at 16” centers. In general, a 2×8 will span 1.5 x 8, so 12-feet.

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.

Are rim joists load bearing?

On a deck, the rim joist isn’t typically considered load bearing unless a wall is built atop it. But it’s still very important. They provide strength to the floor joists and keep them upright just like the floor joists inside a house.

Can floor joists be 2×8?

The span for a 2×8 floor joist can range from 7′ 1” to 16′ 6”. In addition, floor and deck joists have to support a fairly high live load because they provide support underneath living areas. You may find that a 2×8 does not offer the necessary support on its own.

What is a ledger joist?

Quote from the video:
Quote from Youtube video: A ledger board is the piece of lumber that safely connects your deck to your home. So making sure it's installed securely is a top priority.