Nov 1, 2019 · These Structural Ledger Board Wood Screws are engineered for professional operations and demanding industries. LedgerLOK is the first wood screw engineered to fasten a deck ledger board to the rim joist of a house with no predrilling. Apply a generous bead of silicone along the top the ledger against the house. Select the proper WS-EXT or WSWH-EXT screw length. Ensure your project complies with local building codes. SPAX® 5/16" PowerLags® are German-engineered and American-made, professional-grade ledger board fasteners that hold stronger and install faster, making for some of the H23 Ledger/Multipurpose Structural Wood Screws by Starborn. Fasteners should be staggered corrosion-resistant 1/2" lag screws or bolts with washers, located no closer than 2" to the top or bottom or 5" from the end of the ledger board. Stronger Design Shear Values Than 1/2" Lags. This step involves identifying and attaching to sturdy structural elements, typically using lag screws or bolts. LedgerLOK replaces traditional 1/2 inch lag bolts, installing in a fraction of the time, and Includes 12, 5 inch ledger board screws, and 1 TORX tap #40 bit. Depending on where you live and the respected building codes, there are multiple ways to attach a deck to the house, usually by using either lag bolts or str Jan 28, 2021 · A 2x10 ledger with four screws per stud has an allowable load of 675 pounds before the wet-service reduction of 0. For the BVLZ, we evaluated the shear and withdrawal capacity of screws into the rim board with single fastener testing in accordance with AC233. 3-5/8" For Single Ledgers. Jul 11, 2014 · Fastener Designer is a quick, easy-to-use tool for providing Simpson Strong-Tie structural screw alternatives to specified standard NDS fasteners in withdrawal, lateral load parallel-to-grain, lateral load perpendicular-to-grain, multi-ply, ledger connections and sole plate to rim board. They can withstand wear and tear more effectively with minimal damage effects. This application provides detailed load calculations for That 70% wider spacing across the deck ledger board means you save on materials, potentially reducing the amount of ledger board fasteners you’ll need by half when compared to other structural screws on the market. When attach­ing a ledger to a rim board on a new con­struc­tion project, the tra­di­tion­al method has been to use lag screws, usu­al­ly a half-inch-wide lag screw with an addi­tion­al wash­er to secure the boards and cre­ate a firm connection. If your deck is attached to your house (and not a free-standing deck), you’ll also need deck flashing, which serves as a barrier against moisture from getting into the house through any openings made View Details. View More Details. 9. These were attached to a 2x8 No. Ideal for fastening deck ledger board to rim joist. Size: 1/2 in. LedgerLOK replaces traditional 1/2 inch lag bolts, installing in a fraction of the time, and Nov 13, 2023 · Joist Hangers Vs. The Ledger­LOK struc­tur­al wood screw from Fas­ten­Mas­ter is a code-com­pli­ant fas­ten­er that can replace lag screws in a vari­ety of appli­ca­tions, includ­ing new con­struc­tion, build­ing repair, and deck build­ing. However, if the sill is deep enough (mine is 3-1/2 inches deep), it should in theory be possible to lag Off-The-Wall Ledger Spacing Using Screws. Do not overdrive. A deck ledger board is used when attaching a deck to a house. 1. For www. A rule-of-thumb spacing of bolts is 100/ (length of the joists in feet). from $20. These metal (steel) connectors are crucial for securing wood-to-wood, wood-to-masonry or wood-to-concrete connections. All this reduces tool wear and extends FastenMaster TimberLOK is a hex head, heavy duty wood screw available in a variety of lengths and packaging sizes for applications such as attaching rafter or trusses to the top plate, headers, stair stringers and more. Hammer the sleeve anchor through the ledger board into the concrete wall. LedgerLOK replaces lag screws and through-bolts, has been coated with a proprietary three-step coating process that protects against corrosion (even in pressure treated wood) and is ACQ approved Structural sheathing between the ledger and rim board shall be a maximum of 1/2" thick and fastened per code. Ensure the screws are long enough to pass through the siding and into the metal framing for a sturdy hold. Top. Mar 13, 2007 · Save time, money, and labor costs. For the test, we fabricated specimens from 2x10 No. Structural ScrewsUSES/FASTENER INFO: The Superior Alternative to the Co. We discuss testing of wood connectors in more detail in this blog post. We used either 1/2-inch-diameter lag screws or 1/2-inch-diameter bolts for all tests. Run a bead of silicon. 5" of space to nail to the ledger. LedgerLOK has stronger design shear values than 1/2" lags and replaces lag screws and through-bolts. GRK fasteners' rugged structural screw (RSS) is an easy to install lag alternative. When laying out after the ledger has been temporarily attached, measure and mark as described above. The Strong‑Drive® SDWS is the 2nd generation structural timber screw, redesigned with a patented SawTooth™ Point. on orders over $99. Since structural screws are made from hardened heat treated steel, they can be significantly thinner than lag bolts while being capable of holding as much or more weight than traditional lag bolts. Select Screw Type : Select Length : Select Quantity : Add to Cart. Tighten the bolts carefully. 3) Stagger the PowerLag fasteners from top to bottom along the length of the ledger while maintaining the required spacing, edge and end distances as found in Figure 2 and Table 1. 2actored withdrawn resistance shown assume the entire threaded portion of the screw is installed In to the F main member Includes 12, 5 inch ledger board screws, and 1 TORX tap #40 bit. Tim­ber­LOK is a heavy-duty wood screw from Fas­ten­Mas­ter designed specif­i­cal­ly for wood-to-wood appli­ca­tions, includ­ing rafters, truss­es, and ledger boards, as a ½ ‘ lag replace­ment. bhoefer (Brian Hoefer) August 26, 2022, 8:23pm 8. Downsides of Structural Screws. for 1/2″lags or 18″ for the structural screws. Designed to replace traditional 3/8 inch lag bolts, TimberLOK installs in a fraction of the time with fewer steps and less effort. Its sharp point and aggressive threads zip This item: LedgerLOK Flat Head Structural Ledger Board Screws – 3-5/8 inch flat head wood screws – Gray (50 Pack) $44. more durable than ordinary lag screws. 3-5/8 inch Ledgerlok 50-PieceLedgerLOK is a code-compliant structural wood screw engineered to fasten a deck ledger board to the rim joist of a house with no predrilling. to let water drain through rather than installing flashing. Typical applications include structural decking, general framing, remodeling, structural applications, multi-ply and LVL fastening and ledger board. LedgerLOK also has stronger shear values than 1/2 inch galvanized lag screws. Spacing ledgers off the wall can be a challenge when mounting ledgers to existing homes Apr 3, 2024 · LedgerLOK Structural Ledger Board Screws – 3-5/8 inch wood screws with hex head – Gray (50 Pack) FastenMaster LedgerLOK is the first wood screw engineered to fasten a deck ledger board to the rim joist of a house with no predrilling. Check these tables when spacing a ledger off a wall with structural screws. Ledger Attachment (page 8) Stair Tread-to-Stringer (page 16) Joist-to-Ledger (page 13) Stair Stringer-to- Deck Framing (page 16) Beam-to-Post (page 12) Post-to-Concrete (page 11) Joist-to-Beam (page 14) A system of key connections throughout the deck framing, also known as a continuous load path, is essential to building a safe, code-compliant These versatile screws feature a low-profile flat head design that minimizes interference with connectors and finish materials, a unique Tri-Forge® point for reduced driving torque, and a high-adhesion exterior grade coating. IRC/IBC code compliant; No pre-drilling; Comparable to 1/2″ lag screws; 0. LedgerLOK replaces lag screws and through-bolts, has been coated with a proprietary three-step coating process that protects against corrosion (even in pressure Includes 1, 5 inch ledger board screw. Securing with Screws: Now, with galvanized or stainless steel screws secure your ledger board through the pilot holes. Aug 4, 2004 · Measure siding for a cutout. It acts as the primary connection point between the deck and the main building, transferring part of the weight of the deck safely and efficiently. SDWH Timber-Hex Screw — 2021 and 2018 IRC Compliant Spacing for a Sawn Lumber Deck Ledger-to-Rim Board. The building industry recognizes several ways to prevent rot at these connections, which include “stacked washers” and the most common practice, “Z-flashing”, or sometimes L Aug 26, 2022 · 2 Likes. Usually, its size is 2" by 10" or 2" by 12" piece of sturdy lumber. Free Shipping. From the Manufacturer. Jul 2, 2022 · Ledger locks are made from highly strong and heat-treated hardened steel. 1/4-Hex Drive, Strong-Drive SD Connector Screw (100-Pack) Aug 3, 2004 · A standard joist hanger requires an extra 1. ICC ESR 2442: RSS screws have been evaluated for structural and corrosion resistance to be in compliance with the International Building Code (IBC) and the International Residential Code (IRC). Multiply the 675-pound allowable load by 0. They offer better holding power and stronger connections in wood-to-wood framing or deck blocking Sep 24, 2015 · Structural screws are my go-to solution for mounting deck ledgers primarily because I can continue to drop my ledger boards one step down from the interior floor level. 2-7/8-in Black Ecoat Flat-Head Exterior Structural Wood Screws (50-Pack) 4. 7. Structural Screws Instead of 1/2-inch-diameter bolts or 1/2-inch-diameter lag screws, many deck builders now use proprietary structural screws for attaching deck ledgers. LedgerLOK is a code-compliant structural wood screw engineered to fasten a deck ledger board to the rim joist of a house with no predrilling. MPN: P-FMLL005-12 P-FMLL005-12. Use a framing sqaure. 70 (from note #3) is applied. 4. A business unit of ITW Construction Products Canada, a division of Illinois Tool Works, is a leading manufacturer of structural wood screws and specialty screws that are approved for treated lumber and all applications. LedgerLOK’s built-in washer head eliminates the need for an additional washer, saving time and money. These fasteners are deemed suitable for securely connecting deck ledgers to the house. deckmagazine. Many deck builders like to space the deck ledger away from the wall about ½ in. 6. 65 in stock Aisle 12, Bay 012. Find LedgerLOK by FastenMaster lag screws at Lowe's today. Joist Hangers. This type of screw has increased strength and abrasion-resistant properties. Feb 15, 2022 · Here are just a few of the most common deck-ledger attachment mistakes: Nailing the ledger board to the house. See the Fastening Systems Technical Guide and refer to the Alphabetical Index for additional load tables, technical data and installation instructions for the Strong-Drive® SDWS Timber SS screw. 8. Save time, money, and labor costs. May 1, 2007 · FastenMaster FMLL005B-250 LedgerLOK Ledger Board Fastener, 5 Inches, 250-Count. The unique thread design draws 2 substrates together while washer head allows zero gap joints. It delivers faster starts, less torque, and eliminates the need for pre-drilling, which means more screws installed and less labour for you compared to conventional installation. BVLZ free-body diagram The line includes Framing screws, Multi-Purpose screws, Multi-Ply + Ledger screws, and Truss screws: Framing Screws are specifically designed and load-rated for interior and exterior framing applications and replace 8d, 10d, and 16d nails. There are only two downsides to structural screws: cost and availability. com IN 2 ROWS FOR FOR 10 MIN FOR 2 X 'DISTANCE SHALL BE PERMITTEO TO BE REDUCED TO 5' IF LAG SCREWS ARE USEO OR SPACING IS REOUCEO TO THAT OF LAG SCREWS It is a code-approved deck ledger board fastener that replaces lag screws and through-bolts. com. It’s super-sized threads give superior holding power. LedgerLok Hex Head Ledger Board Fastener. Make sure the bottom of the siding will be at the desired height in relation to the decking. 70 to find the reduced load value of 472 pounds. Deck joists can then be attached to the ledger board. They have a corrosion-resistant epoxy coating, a self-drilling tip, and a washer head that eliminates the need for additional washers. In addition to the ledger connection, decks have many important connections and components to consider. Model # FMLL005-50C Store SKU # 1000683763. LedgerLOK replaces traditional 1/2 inch lag bolts, installing in a fraction of the time, and 4. Its sharp point and aggres­sive thread pro­vide a secure and robust con­nec­tion, to help ensure that your deck or oth­er struc Wood construction connectors are specifically designed to provide support for applications in wood structural systems. The ledger board will be attached (by bolts or screws) to a structure’s frame. 3 (1) and 2015 IRC table R507. Apr 16, 2024 · What Are Structural Screws Used For? Among the most common applications are decking, framing, ledger boards, etc. LedgerLOK is the first fastener engineered to attach deck ledger boards to the rim board of the house with no predrilling. c. Dec 10, 2023 · 12-foot ledger board: Approximately 9-10 screws with 16-inch spacing and 1/4″ x 4″ lag screws. 2 CCA-pressure-treated southern pine (SP) ledger board sample. When using structural screws, follow the manufacturer’s instructions and building code reports, rather than the tables in the IRC. It provides a strong and solid surface where floor joists, posts, and deckings can be attached. Nov 6, 2023 · What screws to attach ledger board to house? When it comes to attaching a ledger board to a house, the IRC recommends using either hex-head 1/2-inch hot-dipped galvanized bolts or 1/2-inch lag screws with standard cut washers. The deck joists are then attached to the exposed face of the ledger board using metal joist hangers. Hand tighten the bolts using a ratchet. Since 2003, thousands of PROs have trusted LedgerLOK to make ledger to rim board connections – its reliability and easy of use make it a staple on jobsites everywhere. </p> LedgerLOK is the first wood screw engineered to fasten a deck ledger board to the rim joist of a house with no predrilling. Nov 20, 2010 · Ledger board is a structural member that is mounted to a vertical frame. You may not have known this, but the deck ledger board is a structural component responsible for distributing the deck’s weight and live load to the adjoining building’s framing system and deck footings. LedgerLOK replaces lag screws and through-bolts, has been coated with a proprietary three-step coating process that protects against corrosion (even in pressure Using a stan­dard drill, sim­ply align the screw into the prop­er loca­tion and dri­ve the Ledger­LOK fas­ten­er into place. Two holes need to be drilled to prepare the ledger board and the rim joist to receive each lag screw. The 4″ and 5″ lengths are specifically designed for code compliant deck ledger attachments. Waterproofing is critical; flashing must be installed to prevent water infiltration where the roof meets the existing structure. Includes 12, 3-5/8 inch ledger board screws, and 1 TORX tap #40 bit. Jul 9, 2011 · The ledger is typically connected to the band joist because the depth of the ledger normally exceeds the depth of the sill, so it would presumably be difficult or impossible to get two levels of lag screws or through bolts through the sill. #17 X 7" Heavy Duty Structural Wood Screws - Exterior Coated Heavy Duty Wood Screws - Use for Fastening Ledger Boards, Large Timbers, Logs and More (50 Screw Count) 4. Offers protection against corrosion. Apply adjustment L factors where applicable. Structural Screw. Shop lag screws and a variety of hardware products online at Lowes. 203. APPLICATION: 2" LEDGER BOARD TO 2" RIM BOARD (LBS) 1ag Screw Factored Resistances have been developed in accordance with 12. 38. Always consult the manufacturer’s recommendations and local building codes to determine the exact number of screws needed for your specific project. That’s all it takes; no mul­ti­ple pre-drilling, no fix­ing a wash­er, no need to use a sock­et wrench to dri­ve the screw. 5-in Gray Ecoat Hex Exterior/Interior Structural Wood Screws (50-Pack) Power Pro LedgerTite® Structural Wood Screws are designed to provide unparalleled strength and reliability for fastening ledger boards. The threads should have full engagement with the rim board with the tip of the screw protruding and visible beyond the inside Complete fastening instructions are available in the Deck Ledger to Rim Joist Technical Guide. It is designed specif­i­cal­ly for installing deck ledgers to rim boards, to cre­ate a Apr 17, 2019 · And that's the key: Because the structural screw has a smaller shank diameter compared with a 1/2-inch-diameter lag screw, the same load is placed on the wood over a smaller area, and - similar to standing on the balls of your feet - the wood can't handle it. FEATURES LedgerLOK is a code-compliant structural wood screw engineered to fasten a deck ledger board to the rim joist of a house with no predrilling. On the left is an existing interior floor system modeling when floor joists are parallel to the rim board. . Joist hangers are galvanized metal brackets that are affixed to the ledger boards and rim joists of decks. HeadLOK by FastenMaster. 23″ shank diameter; 3/8″ hex head for maximum drivability FastenMaster LedgerLOK is the first wood screw engineered to fasten a deck ledger board to the rim joist of a house with no predrilling. The major difference between the two is the level of accuracy, stability, and strength. 5/16" x 4" or 5" T-STAR Washer Head For interior/exterior use in; carrying beams, ledger boards, stair rails, deck posts, playground equipment and other professional applications. With its hex head, it allows for greater bit engagement to reduce cam-out. Out Of Stock. Most can be used with a variety of engineered rim boards. This screw is ideal for the contractor and do-it-yourselfer alike. GRK Technical Data. Structural H23 screws can also be used in a variety of other code compliant wood-to-wood connections. But how in the h*ll do you keep a stack of washers on 20 or some lag screws while installing a ledger board. Mar 13, 2007 · Each pack size contains a free 5/16 inch driver bit. mon Lag Screws, ideal for a contractor!Heat treated and hardened, these screws are stronger an. 3-5/8-in Gray Ecoat Hex-Head Exterior/Interior Structural Wood Screws (250-Pack) Find My Store. Holding it in position, drill through the pilot holes into the board. The ledger board provides critical support for the deck joists and LedgerLOK® is a code-compliant structural wood screw engineered to fasten a deck ledger board to the rim joist of a house. Package Quantity: 1. But there is a new option: Ledger­LOK screws from Fas­ten­Mas­ter. Screw Length: 5 in. Designed for Fastening Ledger Boards to Rim Joist of House5/16" Diameter250 per pail Head Type: Hex Washer Head with Large Washer Drive: Hex Drive Thread: Coarse Partial Thread Composition: C1022 Hard Steel 2500 Hour Salt Spray Test ACQ Approved Aug 4, 2004 · Install two bolts at the end of each ledger board. LedgerLOK replaces lag screws and through-bolts, has been coated with a proprietary three-step coating process that protects against corrosion (even in pressure treated wood) and is ACQ approved. Features. They have deep cutting threads for quick, easy driving and a sharp notched point for exact, Sep 7, 2021 · 7 ways to attach ledger boards 1. Deck building looks pretty simple at a glance, but constructing a safe and durable deck requires good planning, careful material choices, and attention to detail —especially structural details that are sometimes overlooked by both owner-builders and The deck ledger board is a horizontal piece of lumber that is securely attached to the exterior wall of a house or structure. May 28, 2024 · Ensuring proper alignment, the ledger board must be securely fastened to the house framing. In contrast, lag bolts are made from different materials such as steel, stainless steel, or silicon bronze, etc. 2. Jan 2, 2019 · Ledger Board to Rim Joist. And how would you use that with Ledgerloks or SDS screws. The example tributary load per stud is 429 pounds, which is less than the 472-pound adjusted value, so it will The Strong-Drive SDWS Timber screw is designed to provide an easy-to-install, high-strength alternative to through-bolting and traditional lag screws. Also called a ribbon board or strip, the ledger board is used to attach the deck to the frame of the house. It is typically made of decay-resistant or pressure-treated lumber and is attached to the building’s structural framing. A clearance hole with a minimum diameter of 17/32 inch to a maximum of 9/16 inch is drilled through the ledger board to clear a pathway for the shank of the lag screw. Surface Hardness: HV450 - HV750. SDWH screw spacing values are equivalent to 2021/2018 IRC Table R507. Its triple-coating makes it corrosion resistant and perfect to use with pressure treated lumber. Structural Screws are triple dipped for corrosion resistance and the washer head provides a neat and clean finished look. The built-in washer head eliminates the need for an additional washer, saving time and money. In our case, we want the bottom of the siding to be 1/4 inch above the decking, which will be 1-inch thick. Core Hardness: 280 Degrees - 420 degrees HV. Do not over tighten. Size: Traditional lag bolts are ½" diameter, whereas modern structural screws are 5/16" for the GRK fasteners' rugged structural screw (RSS) is an easy to install lag alternative. Multiple Options Available. Joist hangers provide a joist connection, while toe-nailing offers similar holding force as long as the nail is in the correct size. Locate the rail posts. The w-cut provides low installation torque which allows for fast driving and ease of install. LedgerLOK replaces lag screws and through-bolts, has been coated with a proprietary three-step coating process that protects against corrosion (even in Jun 12, 2023 · Let’s start with one of the first parts of the deck: the ledger board. Mar 1, 2004 · Test Setup. Model # FMLL358-12 Store SKU # 1000683767. FastenMaster LedgerLOK is the first wood screw engineered to fasten a deck ledger board to the rim joist of a house with no predrilling. The table above also provides SDWH screw spacing for a wider range of materials commonly used for rim board, and an alternate loading Shop LedgerLOK by FastenMaster 5-in Gray Ecoat Hex Exterior/Interior Structural Wood Screws (50-Pack) in the Lag Screws department at Lowe's. Jul 18, 2019 · They typically offer a wider installation range on ledgers and rim boards, with live load capacities that are greater than 40 psf. When designing wood connections, engineers consider the crushing effect on wood grain Jun 16, 2023 · If you’re looking for high-strength ledger board screws that offer quick and efficient installation for your next deck project, then it’s time to ditch conventional lags. Built-in washer head design for fast and easy installation. This screw requires no predrilling. LedgerLOK by FastenMaster. Toe Nailing Comparison. 186. The flat head of this screw allows structural connectors to be fitted in place right over the screws. The building codes allow both joist hangers and toe-nailing for structural fastening. Screws from both companies must be driven into the center of the mudsill or top plate so accurate placement is important. After properly installing the flashing, install the siding above the ledger as needed. Tensile (psi): 49,800. Using lag screws. No need to predrill and hand-ratchet in 1/2 inch galvanized lags and washers. Mar 5, 2019 · LedgerLOK Flat Head is a code-compliant structural wood screw engineered to fasten a deck ledger board to the rim joist of a house with no predrilling. of ledger and rim board 1-1/2-in minimum from top of ledger If ledger screws interfere with deck joist they may be offset 3-in max 3-in max Stagger screws in two rows 1. Using lag bolts to anchor the ledger board. (Per IAS Accredited Washington State University Testing Report) Each spacer attaches to the ledger board with #8 x 1-5/8 Flat Head Corrosion Resistant Screws (305 stainless or 316 stainless in ocean side or pool side applications. GRK Fasteners, a business unit of ITW Construction Products Canada, a division of Illinois Tool Works, is Nov 3, 2023 · A ledger in carpentry is a horizontal support piece that is used to fasten a deck frame to a building or structure. In This Article Ledger Attachment Ledger Flashing Lateral Bracing to House Posts & Piers Freestanding Decks View all DECKS & PORCHES Articles. Choosing no pre-drill structural screws (aka, SPAX PowerLags) can help streamline installation. There are a few major differences between PowerLags and traditional lag bolts. 16-foot ledger board: Approximately 13-14 screws with 16-inch spacing and 1/4″ x 4″ lag screws. Like lag bolts, they’re made to handle lots of force and hold heavy loads. Ledger Lok Replaces Lag Screws And Through-bolts, Has Been Coated With A Proprietary Three-step Coating Process That Protects Against Corrosion Even In Pressure Treated Wood. This eliminates having to move things around. 2 spruce-pine-fir (SPF) lumber to simulate the band joist of the house. GRK Fasteners' Rugged Structural Screw (RSS) is an easy to install lag alternative. Designed for use with landscaping timbers, log construction, ledger board, etc. Mar 5, 2019 · The Built-in Washer Head Eliminates The Need For An Additional Washer, Saving Time And Money. Structural Screws. South Loop Store. The spacing is 2 stagered rows of fasteners, each 30″ o. LedgerLOK fasteners are American made. Keep dri­ving until the wash­er comes firm against the ledger. Availability: Choose options above to see availability. 6 CSA 086-14. Use a framing square to measure and mark the joist centers along the ledger board. 3. FEATURES. The joists are supported by the hangers, which are Dec 16, 2018 · Includes 12, 5 inch ledger board screws, and 1 TORX tap #40 bit. Classically stacked washer are shown. 5 out of 5 stars 22 Jun 1, 2023 · ledger and sheathing into the band joist until the built-in washer is drawn firm and flush to the ledger board. The large hex-head allows for greater bit engagement, reducing cam-out. It is code listed in IAPMO UES ER-192 and meets 2018 and 2021 IRC ® and IBC ® code requirements for most common wood framing For use with Structural Screws (like FastenMaster LedgerLok™ screws) Stronger than using stacked washers as a spacer. Using fasteners that don’t offer decades of corrosion resistance. It supports both the deck joists, as well as bolsters the framing of the deck. Wondering how many ledger screws you need to do the job? Check out our deck ledger fastener calculator online. LedgerLOK. 97 Simpson Strong-Tie #9 x 1-1/2 in. Nails are the poorest choice of fastener because they’re not strong enough to hold all the weight. One example is a ledger fastened to the rim board with Timber screws, where joist hangers will need to be installed. Joists are the supports which the deck boards are fastened to and are one of the most critical structural elements of the deck, as well as many other common structures. Structural screws serve as many functions as lag bolts, but are considerably easier and more efficient to use. az ir mr vx zj lg nj kd si ih