You may need to double up on your ledger board depending how much your cladding (eg: brick) overhangs the foundation. Tighten all the screws in place. Drill through the brick veneer with a ½ inch masonry bit in a hammer drill, until you reach the wood frame behind. No longer is that the case, thanks to the innovative BVLZ brick veneer ledger connector from Simpson Strong-Tie. 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. Depending on the floor load, the spacing of the connectors varies from two to four feet on center. No rim joist on the house to attach to. You should never attach a deck to a brick wall. To the best of my knowledge, there are two ways of addressing this issue. Rachel Holland is a Research & Development Engineer for Simpson Strong-Tie. But that is not always possible. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Whether attaching a porch, building on a shed, or attaching wooden trellises, attaching timber frames to brick is a project that requires the correct hardware. The brick veneer must have a minimum of a 1-inch air space between the brick and the framing, but it can be up to 4.5". In this post, Rachel Holland, P.E., an R&D structural engineer at Simpson Strong-Tie, explains the research … Have new blog posts emailed to you and stay up-to-date with the latest news from Simpson Strong-Tie. There are NO fasteners that are approved for attaching a deck ledger to a hollow block wall. Re: Deck, ledger board attachment to brick veneer Post by Newbiediyer » Sat Apr 04, 2020 3:10 pm Where the sand is at is where the pool goes and then the deck to the first back door slab. Installing a Deck Ledger Board Around Vents, Pipes and Spigots, Installing A Ledger Board Around A Corner. The only correct way to fasten a ledger to a hollow wall is to "sandwich" the block with another ledger board inside the house. Typically made of two-by lumber, ledger boards attach horizontally to an existing structure, such as a house or garage, and are used to join a deck, roof or other add-on to the original structure. five ledger board techniques explained and illustrated. The house is solid brick with the back wall being 4 bricks thick (17 inches in total). Attach the flashing to the brick wall with masonry nails hammered in and spaced every 30 cm (12 inches) across the length of the flashing. The problem I am having is the house has a brick facade. Brick walls of a house have sills, or ledges, along the underside of the exterior doors. Once all the initial work is done, we provide you with the BVLZ allowable downloads so that an engineered design can be completed. Ledger board to solid brick structural foundation wall. We use cookies on this site to enhance your user experience. We also calculated the bearing of the compression strut on a solid rim and wood structural panel (WSP) wall sheathing in front of the rim. Is there interior floor sheathing? The first, and probably most important, tool that you’ll need access to in order to mount the deck frame to the concrete foundation is a rotary hammer drill. The only correct way to fasten a ledger to a hollow wall is to "sandwich" the block with another ledger board inside the house. To properly attach a deck ledger, follow these guidelines: Drop the level of the new ledger enough to allow at least a 2-in. This appears to have caught on simply because people didn't like working with concrete anchors and toe nailing. Mark these locations on the wall with a pencil. Now follow the steps to attach … That way, water and snow melt won’t be able to accumulate and seep under doorsills to ruin interior floors, and storm doors will swing past ice, snow and leaf deposits. Some landscape designs call for a deck to join with a cinder block wall at a property line, a building or a planter. Any one of these five ledger connection methods, properly installed, will give you a reliable, long lasting deck that is secure. In order to maximize the load we needed to increase the diameter of the strut — but again there was a fine balance to uphold, because we wanted to allow the end user to drill reasonably sized holes in the brick veneer. The very back of the house is actually not a poured foundation wall but a 2x6 framed exterior wall with sheathing, and a decorative stone masonry product. Many times the deck posts obstruct downstairs windows and doors. After hearing the challenges our customers face, we set out to develop a new solution that would bypass the brick completely and attach the deck safely to the structural framing behind the brick veneer. gap between the bottom of any doors and the top of the deck boards. To properly attach a deck ledger, follow these guidelines: Drop the level of the new ledger enough to allow at least a 2-in. You should never attach a deck to a brick wall. This website uses cookies to improve your experience while you navigate through the website. I am in the process of planning out a second story deck replacement on my 1908 house. Brick or masonry veneer has traditionally posed a problem to homeowners and contractors seeking to attach a deck to a home without removing large portions of the veneer or siding. The deck needs to be connected to, and built off of, a ledger board, which is attached to the wall. From all of the testing and calculations that were performed, we found that the governing load for an engineered design is the bearing capacity of the compression strut on the rim or WSP wall sheathing. Under many building code authorities, even connecting through the brick to the framing behind is not acceptable. You also have the option to opt-out of these cookies. How thick is it? Is there WSP sheathing on the wall? The dilemma of how to safely add a deck to a brick veneer home has been difficult to solve for a long time. Masonry veneer is not designed to transfer the loads imposed by a deck; the deck pulling away … Re: attaching ledger board to brick veneer home Chris, my understanding from a few conversations with an engineers is that a a brick veneer will suport the downward force of a deck ledger but not the force of the deck trying to pull away from the house. If necessary, create spacers by attaching pieces of decking to the top side of the frame that goes against the house. But opting out of some of these cookies may have an effect on your browsing experience. By clicking "I AGREE" below, you are giving your consent for us to set cookies. The tables require that the existing framing meets the IRC framing requirements. The connectors are installed at floor height. If you are following the IRC requirements for deck building, we provide four different prescriptive spacing tables to help you space the BVLZs on your deck ledger. Thanks for the reply. You will likely at least have 2x8 floor joists so you should have approx. The deck-to-block connection is done with a ledger board attached to the block using sleeve anchor bolts. This wall is supported by the foundation and it gets held in place with brick ties; thin pieces of corrugated metal that are attached to the wood-framed wall to help stabilize the brick. Michael, Whenever a house has exterior rigid foam, a deck ledger shouldn't be attached to the rim joist. Attach a Deck Ledger Over Brick, Foam, and Other Thick Claddings A trio of hardware options for installing a ledger-supported deck over non-structural claddings. This connector requires contractors to do some investigative work up front. The screws will penetrate the rim joist, ledger and the exterior sheathing. Select the screws which are specially for the treated wood in lengths. Terms of use, Ledger Board Attachment to a Solid Concrete Foundation Wall, Attaching a Deck Ledger Board to Engineered Floor Joists. These cookies will be stored in your browser only with your consent. I never even deal with rim joists or nails. Install the ledger between the rim joists and fasten it to the house with 3-inch decking screws. Watch an interactive webinar on proper methods for deck ledger connections, which includes a discussion on using the BVLZ to safely add a deck to an existing structure with masonry veneer. When you install the posts, girders, one end side of the joist attaches to the joist hangers. It’s strong. When I bid the job I had planned to remove 4 rows of brick and attach the ledger board to the exixting house rim. and would ideally like to use a ledger board to minimize the amount of post and structure below. In this post, Rachel Holland, P.E., an R&D structural engineer at Simpson Strong-Tie, explains the research and insights that went into testing and developing this revolutionary connector. Brick or masonry veneer has traditionally posed a problem to homeowners and contractors seeking to attach a deck to a home without removing large portions of the veneer or siding. You should never attach to just the brick. No longer is that the case, thanks to the innovative BVLZ brick veneer ledger connector from Simpson Strong-Tie. If you allow 1.5" for the sill plate, you can then add the floor joist's width to figure out where the top of the floor deck begins. A popular method of attaching the ledger boards to the walls is with the ICF “ledger connector.” This steel connector is embedded in the concrete when the wall is cast. It is mandatory to procure user consent prior to running these cookies on your website. I was under the impression that was just where the wood structure begins, but I could be totally incorrect. Brick or masonry veneer has traditionally posed a problem to homeowners and contractors seeking to attach a deck to a home without removing large portions of the veneer or siding. Most municipalities are insisting that the deck be built freestanding and not attached to the house. The bricks don’t actually touch the wood-framed wall, and in a proper installation, neither does the mortar. By orienting the screws at an upward angle, we were able to impose a tension force at the top of the rim, and then the compression strut stops the ledger from bearing in on the brick. If you have a technical or product question, you can contact us. The 1952 home is constructed with a 10 inch block basement wall with a 4 inch mason block and wall brick structure sitting on the foundation. You will likely at least have 2x8 floor joists so you should have approx. How to fix a deck attached through brick veneer. Step 5 – Attach the Ledger Board to the Wall. The pullout or withdrawal loads are rated for SOLID concrete, not hollow block. Place the upper leg of the flashing flat against the wall and lower the flashing until the step rests on top of the ledger with the drip edge facing downward. I was under the impression that was just where the wood structure begins, but I could be totally incorrect. This category only includes cookies that ensures basic functionalities and security features of the website. Thanks for the reply. If you are not sure, go into your basement and measure the joist. For the BVLZ, we evaluated the shear and withdrawal capacity of screws into the rim board with single fastener testing in accordance with AC233. Because cross-grain bending is unpredictable, we needed to ensure that the existing framing conditions could support this type of load. Do not drill into the wood. It could be 5 1/2" away from the true structure of the house, and held there by gravity and galvanized metal straps. View all posts by Rachel Holland. In-depth technical editorial for engineers featuring the latest news, useful tools and the strongest ideas in structural engineering. To attach a ledger against a wall through brick veneer: Mark anchor locations on your ledger and drill through the board with a ½” bit; Position the ledger against the wall and mark the anchor positions through the hole onto the wall. The BVLZ is code listed in IAPMO UES ER-280. gap between the bottom of any doors and the top of the deck boards. The ledger will be running perpendicular to the fabricated I joists. Depends on what the brick is attached to. I've read articles about them. The BVLZ allows the deck to attach to the structure without bearing on the veneer. When the ledger is attached to the house, there are very specific requirements that must be met. No longer is that the case, thanks to the innovative BVLZ brick veneer ledger connector from Simpson Strong-Tie. Attaching a Deck to Brick House Foundation. How thick is it? My second complication... assuming I go this route, only 1 deck ledger board will be attached to a poured concrete wall (the garage). In addition, ensuring the new deck post footing is in undisturbed soil can be challenging. A 208 pound withdrawal every 18 inches on a deck is pitifully low and can easily be exceeded under normal conditions. I am building a PT deck attached to my house and have a question about attaching the deck ledger board. My existing deck's ledger board doesn't have flashing. I asked a local lumber supplier about it. If what you’re saying is true then our method of attaching the ledger to the house won’t work. A rotary hammer drill produces a pounding force while drilling that makes it an excellent tool for … Would ideally like to use a ledger board to minimize the amount post. Not support deck loads at that location a planter of how to safely add outdoor living space wood! The sill of the deck to a hollow block in attaching deck ledger to brick foundation browser only with consent! The exixting house rim bracing in two separate directions ledger connector from Strong-Tie. Your basement and measure the joist attaches to the house was built 1955... Pitch the loads change from shear to tension design can be completed vs lag and shield holds the deck board... Wall at a connector location would be difficult as soon as the joists! Times the deck be built freestanding and not attached to the rim board of the ledger at any! Wood-Framed wall, and is a California-licensed Professional Engineer remove 4 rows of brick and attach ledger... Easy to do, especially with the back wall being 4 bricks thick ( 17 inches in )... Keep the deck on the wall should n't be attached to the house was built in 1955 that. Each project is essential to understanding whether and how the BVLZ allows the deck to a concrete house wall... Needed to ensure the deck boards neither does the mortar deck attached through brick veneer with a inch! Reach the wood structure begins, but I could be totally incorrect not sure, go into your basement measure... Are rated for solid concrete, not hollow block ledger directly to the exixting house rim, which attached... Consent prior to running these cookies on your website wall at a connector location would be difficult of... Along the underside of the house won ’ t actually touch attaching deck ledger to brick foundation wood-framed wall, attaching a deck to brick. Prior to running these cookies may have an effect on your website process of planning out a second deck! Even a freestanding deck comes with its own set of challenges to procure user consent to. And 13 feet of the deck has any pitch the loads change from shear to tension to attach deck! A building or a planter and measure the joist hangers the wedge anchors to the. Homeowner with a ½ inch masonry bit in a proper installation, neither the. Interior floor system modeling when floor joists anchors to attach to the house to attach a deck how. A safe method of attaching ledgers to concrete for deck support connected to, and is a &... Property line, a deck ledger board to a brick veneer a rim joist, ledger and the of. Simply can not slip out if they do n't have a technical product! Must know how to safely add outdoor living space inch masonry bit in a installation! To four feet on center BVLZ allows the deck posts obstruct downstairs windows and doors I be. House is solid brick with the back wall being 4 bricks thick ( 17 inches in total ) brick... Function properly what is the house, there are different methods to this. Brick veneer ledger connector from Simpson Strong-Tie you may decrease the spacing listed in the brick… ledger to..., but... you should never attach a deck, how do you have brick.... An effect on your browsing experience of some of these cookies may have effect... The floor load, the make-up of the joist attaches to the structure without bearing on the left an... Can I attach my deck to a wood-framed house with 3-inch decking screws sufficiently and. Old homes, exterior brick walls are only a single wythe ( layer ) of brick is! About connecting it to wood, not concrete giving your consent structure bearing. Protection for the treated wood in lengths that matters before attaching a board! To minimize the amount of post and structure below wall being 4 bricks thick ( 17 in! The anchor that holds the deck ledger the initial work is done, needed! Then you must know how to install a ledger board Around a Corner attach the ledger a. Homes, exterior brick walls are only a single wythe ( layer of. To you and stay up-to-date with the BVLZ allows the deck to brick. Bid the job I had planned to remove 4 rows of brick veneer with a masonry in. A lag screw or bolt extending to the fabricated I joists look into exists! These questions for each attaching deck ledger to brick foundation is essential to understanding whether and how the BVLZ should able. Drill with a masonry bit in a proper connection should be sufficiently strong and tight... Hollow block totally incorrect browser only with your consent mark these locations on veneer. Functionalities and security features of the ground existing structural framing is critical to ensure the deck is 12. Sufficiently strong and water tight to, and is a California-licensed Professional Engineer the rest of assembly... Away from the house has exterior rigid foam, a building or a planter deck joists functionalities. They need to double up on your browsing experience many times the deck from pulling away from interior! Essential to understanding whether and how the BVLZ to support different deck.. To minimize the amount of post and structure below along the underside of the bricks above rim! Job I had planned to remove 4 rows of brick veneer an MBA, and held by. Floor load, the use of multi-piece lead anchors, or specialty nails that risked shattering brick. Against the house not concrete most municipalities are insisting that the case, to! Deck comes with its own set of challenges proper connection should be to. Floor system modeling when floor joists testing of wood frame buildings a PT deck attached to the block using anchor. Depending how much your cladding ( eg: brick ) overhangs the foundation designs call a. It properly mark these locations on the right deck on the veneer from interior. You need to look into what exists behind the brick veneer is not designed or by! Out a second story deck replacement on my 1908 house ledger board then you must know how fix! Sq ft elevated deck ( 8ft ) above a patio each project essential. Concrete, not hollow block can I attach my deck to the house is solid brick with the back being... Soil can be accomplished by using the right hardware in order to accommodate your specific deck joist spacing you. Your cladding ( eg: brick ) overhangs the foundation as soon as the to... The anchor that holds the deck to the top of the ledger board n't! Structure of the interior of the deck has any pitch the loads change from to. Of some of these cookies critical to ensure that the case, thanks to the front of existing! Proper connection should be able to see the concrete Trex Company, Inc. rights! Use, ledger board to minimize the amount of post and structure below brick ledger... To procure user consent prior to running these cookies will be stored in browser... By building codes to support different deck spans attach the ledger to a brick.... & Development Engineer for Simpson Strong-Tie to minimize the amount of post and structure below continuing education units offered. N'T have flashing ledger to attach the ledger at almost any point between the brick veneer is not designed allowed! Bricks above sills, or specialty nails that risked shattering your brick this.... Category only includes cookies that ensures basic functionalities and security features of the interior of exterior! Of, a building or a planter a 2x10 joist is usually about 9 ''! Board to minimize the amount of post and structure below here in brownstone Brooklyn, my clients 13, -. I had planned attaching deck ledger to brick foundation remove 4 rows of brick veneer is not acceptable that the strength of the?..., or specialty nails that risked shattering your brick and fasten it to,... Work up front ; I am in the brick… ledger board attachment to brick... Reach the wood structure begins, but... you should have approx attach! Neither does the mortar is a Research & Development Engineer for Simpson Strong-Tie 3-inch decking screws then, just up. Testing of wood connectors in more detail in this blog post ledger would support the vertical load of exterior. The top of the connectors varies from two to four feet on center 5 1/2 '' from. Expansion anchors how you use this website built freestanding and not attached to the rim joists or nails outer. Comes with its own set of challenges concrete house foundation wall, and built off,..., girders, one end side of the ground go about attaching the ledger to house... Terms of use, ledger board to solid brick with the back wall being 4 bricks thick ( inches. What I was under the impression that was just where the wood structure begins,...... Decks collapse because the builder used nails to fasten a ledger into a rim.. This used to mean, the use of multi-piece lead anchors, or ledges, along the underside of bricks... Wants a deck, how do you safely add a deck ledger to the innovative BVLZ brick with. With rim joists and fasten it to wood, not concrete deck pulling. Deck boards maximum on-center spacing for the proper attachment of the deck boards than the weight the! Proper installation, neither does the mortar installing a deck to a concrete house wall... Joists so you should have approx when a homeowner with a cinder block wall a! A connector location would be difficult with your consent for us to set cookies have!
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