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.

Subsequently, one may also ask, how many lag bolts do you put in a ledger board?

Traditionally, lag screws have been the most common method of attaching decks to buildings. To properly attach a deck ledger using 1/2″ lag screws, 5/16″ holes need to be pre-drilled through the ledger and rim joist. After that, a 1/2″ hole should be drilled through the ledger only.

One may also ask, how deep should a lag bolt go? Insert a 1/2-inch Forstner bit into the drill/driver and drill into the hole to a depth of 1/2 inch.

Moreover, what size should a ledger board be?

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 2×6 for ledger board?

2×6 joists should only be used on ground-level decks that do not require, and will not provide for, any guards. Joist hangers are used to attach the ends of joists to the face of a beam or a ledger board. If you identify a crown in the board, you should always install it upwards.

Related Question Answers

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.

Do I need a washer with a lag screw?

No nuts are required to install a lag bolt. A bolt is installed into a through pilot hole that is larger in diameter than the threads. A washer is used for both screws and bolts to increase the surface area in contact with the wood. This prevents the hex head from ripping into the wood and losing grip.

Can a ledger board be two pieces?

You are required to have a minimum of two of those assemblies on your ledger, and your inspector could well consider a twopiece ledger as actually being two ledgers.

Can ledger board extends past House?

If your ledger board will continue around the corner of your house, you will also have to remove the house siding corner post in addition to the siding. Sometimes, you may want to extend your ledger board beyond the house to function as a beam with a post connection at the opposite end.

Can I attach a ledger board to wall studs?

USP WSWH5 Washer Head Screw can be used to attach a ledger to studs through one or two layers of 5/8″ gypsum wallboard (drywall). Screws are to be installed into the wide face of the single 2x ledger, through the gypsum board and into the center of the narrow face of the 2x stud.

Can you put ledger board over siding?

In order to install the ledger board, you usually need to remove the house's siding. Never install a ledger board over the top of siding no matter what you hear, this can weaken the connection. Aluminum and vinyl siding can easily be removed with tin snips from an area one foot surrounding the ledger board location.

Can I use galvanized bolts in pressure treated lumber?

The hot-dip galvanized coating provides a thicker layer of zinc than other zinc-coated fasteners. Hot-dip galvanized steel can withstand the harsh chemicals and slow the corrosion rate. Common metal parts used with pressure treated wood are connector plates, joist hangars, bracing plates, and fasteners of all types.

What size lumber can span 20 feet?

Re: 20 foot clearspan beam size

In that case, you need something like a 12-16″ GLULAM or LVL to span the 20‘ and can use simple 2×8-10 dimensional lumber 16″OC as floor joists.

How far can a 2×6 Rafter span without support?

The table states that 2 X 6 rafters spaced 16 inches on center (o.c) can span a maximum distance of 13 feet 5 inches. Another option are 2 X 8 rafters spaced 24 inches o.c.

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

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. Longer joists will require tighter bolting patterns.

How thick is a ledger board?

The finished deck height is 1 inch below the bottom of the sill. The decking is 1-inch thick, so the top of the ledger is 1 1/8 inch below the bottom of the sill.

How much weight can a 2×10 floor support?

In fact, each 2×10 will support 1,200 lbs. To be clear, spans are measured as “clear spans”. That is to say, from face of support to face of support. Also, if your BBQ is located in the middle of the span so that people can stand around the BBQ, then there will be an additional “Live Load” acting on the joists.

How far can you cantilever a 2×6?

Looking at the table below, we see that 2×6 floor joists can be cantilevered up to 2 feet and 6 inches (2′-6″) when the joists are spaced 16″ apart.

How much weight can a 2×8 support?

some of it gets pretty technical in nature, and mostly relates to pounds / square foot of loading. 2x6s are generally used for ceiling joists, esp since you said 24″ oc and reallllly short spans only (5 or 6 feet ). Most floor loads would be a minimum of 2×8 @ 16″ oc and most preferbaly 2×10.

How far can you cantilever a 2×8 joist?

If the code span tables allow a 2×8 to span 12 feet, then the cantilever can be 3 feet.

Does deck ledger need to be one piece?

If possible, you will want to have the ledger be one long piece of stock. However, if the length is over 16′ – 18′, it may be hard to find a straight piece that long. In this case, two pieces will work. Always try to use pieces that are at least 6′ – 8′ long.

How do you flash a ledger board under a door?

How to Flash a Deck Ledger Board
  1. Cut the flashing with tin snips.
  2. Score with a utility knife.
  3. Bend flashing with a block and framing square for a 90 degree bend to fit inside the house corner wall.
  4. Measure carefully to cut around the door.
  5. Cut flashing.
  6. Slip flashing under siding.
  7. Slip the siding up and around the door.

Do I need a permit for a deck not attached to House?

Building Codes offer one reason. According to the International Residential Code², adopted by most states, a deck does not need a building permit if it is “less than 200 square feet, under 30” off the ground, does not serve a required exit door, and is not attached to the dwelling“ — if it is freestanding.

How do I attach rafters to ledger board?

Attach 2×6 rafters to the house with joist hangers and/or supported by the ledger board. If necessary, use a sliding bevel to determine angles needed where the rafters will meet the ledger board. Rafters are placed on 24″ centers, and attached to the beams and settle joists are attached as needed (Image 1).