How do you attach a ledger board to a concrete slab?
Use a wood bit to drill ½” pilot holes through the ledger board. Next, use a concrete bit to drill into the concrete wall. Install two bolts at the end of each ledger board. Hammer the sleeve anchor through the ledger board into the concrete wall.
Can you attach a deck to a concrete slab?
This is perfectly fine for a deck frame. The boards are secure, with their double wedge anchors into the concrete, to provide plenty of support for the deck frame. Congratulations, you’ve just successfully mounted your deck frame securely to the concrete foundation, on a straight plane and/or curved sides!
Can you attach deck ledger to concrete block?
Yes, there are products available for anchoring a ledger board to hollow concrete block foundations (concrete masonry unit, CMU). There are a handful of manufacturers that produce epoxy and other adhesive anchors that are tested for use in hollow CMU.
Can I attach a ledger board to floating slab?
Attaching the ledger to an existing pad, will almost certainly crack, split, or otherwise damage the pad. Which will lead to the ledger losing any structural integrity that it had. A better idea would to support the deck with posts, so that side of the deck “floats” up near the pad.
How do you attach deck boards to concrete?
Quote from the video:
Quote from Youtube video: Using a spade bit i then countersunk the holes. So that the heads of the concrete. Anchors are well and truly beneath the surface of the joist. And then follow that up by pre-drilling the holes.
How do you install anchor bolts in a concrete foundation?
Quote from the video:
Quote from Youtube video: So what we'll be doing is putting concrete inside the hole and putting the anchor bolt down inside. And once the concrete's in there and it give it time to solidify.
Can you lay decking directly on concrete?
Decking boards must NEVER be laid directly on the ground but instead should be fixed to joists of a suitable sub-frame. In most cases we recommend installing your Alpha Composite Decking on a solid concrete base using plastic composite joists.
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.
How do you lay decking on a slab?
Quote from the video:
Quote from Youtube video: And now we're just gonna frame over the whole thing. And our decks gonna sit right on top of here it's perfectly the code very easy to do but make sure if you're doing it your slab is in good shape.
What do you put behind ledger board?
Quote from the video:
Quote from Youtube video: The risk is if you don't do a good flashing job that we end up getting water that back behind the ledger board. Now of course we pre flashed it with that first piece of peel-and-stick.
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 do you secure a ledger board deck?
Quote from the video:
Quote from Youtube video: Before installing the ledger board into place there's one very important step which is to waterproof the houses rim joist using a rubber membrane. This will keep any water running down the exterior.
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.
How much clearance is needed if a deck is supported by a ledger?
½”
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.
Can I use 2×6 for ledger board?
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.
Does a ledger board need to be pressure treated?
Installing the Ledger Board
The lumber for the ledger and all framing members must be pressure-treated for exterior use. The ledger will establish the height of your deck. This is an absolutely critical connection and must be installed properly to ensure the strength and safety of the deck.
How thick should a ledger board be?
The decking is 1-inch thick, so the top of the ledger is 1 1/8 inch below the bottom of the sill.
Can I use a 2×8 for a ledger board?
He can add an additional board attached to the ledger and use lag screws as indicated. Using 1/2″x5″ lag screws to screw through the existing ledger board and into the floor band would work and then the new 2×8 would be considered part of the ledger instead of just a board secured to the ledger.
Should ledger be larger 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 you use 2×10 for rim joist?
placing a 2×10 ledger board against a 2×8 rim joist is irrelevant and should not compromise the safety of the structure at all under most conditions. Check with your local code enforcement agency and local structural engineers to be sure.
