For installing a deck ledger structural screws such as ledgerloks which don t require pre drilling are so much easier to use than the lag screws and through bolts referenced in the irc.
Roof ledger board bolts.
Plus you need to double fasteners at ledger butts and ends.
The brackets are then lag bolted to the roof and sealed watertight.
Find the wall studs or roof trusses that will have to support the ledger.
Any one of these five ledger connection methods properly installed will give you a reliable long lasting deck that is secure.
Put the ledger board in place once more.
Table of bolt spacing for deck ledger spaced away from the building.
Structural screws for ledgers by glenn mathewson q.
Five ledger board techniques explained and illustrated.
Longer joists will require tighter bolting patterns.
Typically you will need to install your bolts alternating high and low 2 from the top and bottom of the ledger board.
Down from top and up from bottom of ledger and staggered up down.
Ledgerlok replaces lag screws and through bolts and the.
X 9 in.
Ledger wrap is an aluminum.
Drill holes for the expanding anchors every 16 inches or as specified by local codes insert the anchors hold the ledger in place and tap it with a hammer to indent the anchor locations on its back face.
Ledgerlok is a code compliant deck ledger board to rim joist structural wood screw that can be attached with no predrilling.
Douglas fir lvl no attachment is allowed to strand lumber syp lvl the mudsill i joists floor trusses or other materials.
House rim joist must be minimum of 2x sawn lumber or 1 in.
Bolts and screws must be located 2 in.
The table immediately below gives the bolt spacing requirements for connecting a deck ledger to the building when the ledger board is bolted directly to the structure.
Step 5 attach the ledger board to the wall.
Place washers over the holes and screw in the 5 5 inch lag screws in the holes so that they go through the expansion anchors already in place.
As a rule of thumb bolts can be spaced 16 on center for supporting joist span up to 12 in length.
This is a time consuming process and should be done while the house is being constructed to simplify the process and reduce costs.
Fastening to masonry walls.
Locate a position for a header or ledger board.
Determine how high it must be to provide an adequate slope to the roof.
The washers will provide protection for the board from the screw heads.
Anchor a ledger to a masonry wall with expanding anchor bolts begin by marking a line across the wall for the ledger s top edge.
The roof top brackets wood ledger board and lag bolts are to be purchased locally by customer.
Ledger to band joist connection bolt spacing requirements.