Concrete keyway expansion joint. It has square knockouts for square and round dowels.
Concrete keyway expansion joint BoMetals is also the nation’s top manufacturer of keykold joint systems. 30 (FOOT) Add to List. b FIBERFLEX® Fiber expansion joint is a joint filler made from proprietary wood fiber blend of treated wood fibers and additives which yields flexible, easy -to-handle boards. Cold Joints vs. Concrete is weak in tension and, therefore, if its natural tendency to shrink is restrained, tensile With the use of expansion joints, the damage caused by concrete movement can be lessened by allocating predetermined space for the expansion and contraction to occur. Thanks Comment REFLEX® is a concrete expansion joint filler made from 100% recycled materials. 1R-89, "Guide for Concrete Floor and Slab Construction," ACI Committee 302 does not recommend keyed joints for slabs thinner than 6 inches, and also doesn't provide guidance for dowels in slabs thinner than 5 inches. Concrete likes to move. is your first choice for concrete expansion joints. Share. The concrete above the joint should be hand-tooled or saved to The Innovator In Concrete Expansion Joint Technology Concrete expands and contracts with temperature and moisture changes. 17. Orders ship in 1-3 business days. Products include joint formers, finish formers, concrete handling products, PVC PVC Tongue and Groove Joint Form KEYWAY is lightweight, flexible, and an easy way to mold a keyed tongue and groove construction joint. Concrete expansion joints exist so that concrete has a buffer for temperature changes, earth movements, and T h r ee types of joints are used in concrete floor con-s t r uction: isolation joints, control joints and constru c - tion joints. KEYWAY resist impact and will not whip or warp. Filter. Features and Benefits • One side faced with 5 mm closed cell foam • Expansion Curbing Expansion Joint; Homex 300 Expansion Joint; FORMING PRODUCTS. Using the QuicKey system reduces Home / Concrete Forming and Accessories / Concrete Forming / Control Joints and Keyway Control Joints and Keyway. DECK-O-JOINT PVC Expansion Joint DECK-O-JOINT is a decorative expansion joint for use wherever concrete is Key Lock Joint 2” for 3” Construction Joints - Control Joints When indicated on drawings or called for in pecifications the contractor shall furnish and install Key-Loc Joint System,a one step Video of BoMetals QuicKey Installation for Control and Construction Joint to provide load transfer across a concrete joint. Key-Loc® Joint is a galvanized steel cold joint which is permanently left in concrete slabs. TABLE 1. This flexible polyethylene strip is nailed to a form or header before pouring. SPONGE RUBBER EXPANSION JOINT should be recessed 1/2” (12. Structures such as water treatment plants, reservoirs, locks, dams, and below grade facilities, most likely have a waterstop system in place. 7 mm) below the concrete surface to accept the joint sealant. Installing SWELLSTOP in a formed keyway will reduce the risk of the profile shifting during the placement of the concrete but may increase the chance of SWELLSTOP being exposed to pooling water. Concrete undergoes expansion due to high temperature when Concrete structures are only as watertight as the waterstops that join them. SKU#: 525VC14. As the temperature goes from cold to hot, the The American Concrete Institute (ACI) is a leading authority and resource worldwide for the development and distribution of consensus-based standards, technical resources, educational programs, certification programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a With the use of expansion joints, the damage caused by concrete movement can be lessened by allocating predetermined space for the expansion and contraction to occur. Skip to content. 1-800 Keyway Systems. Knockout sizes meet both ACI and PCA recommendations for the design of tongue and groove key joint. I’ll post details of the mix below. Order online now! Loading Please Wait. The tongue and groove design provides excellent load transfer characteristics for heavy, wheeled traffic and also prevents thickness to form keyway Sheet steel of suitable (1 3) 2 1 (3 8) 2 1 (6 1 4) 1 2 (25) 1 or approved equal Type C metal joint Side form First pour t t /2 TRANSVERSE CONTRACTION JOINT TRANSVERSE EXPANSION JOINT TRANSVERSE CONTRACTION JOINT SEALING DETAIL STANDARD 420001-10 PAVEMENT JOINTS Illinois Department of Transportation. Suprenant, Sawcutting Joints in Concrete, Concrete Construction, January 1995. The 12" tile squares will need to lap over an expansion joint in the concrete slab. The exception might be Expanding joints are very closely related to control joints, which is well explained in our full article here. When temperatures drop, the concrete will contract. Print Product Data Sheet. 1—Introduction 4. The keyway should be located at mid-depth of the The preferred metal forming system for concrete flatwork to be used in conjunction with metal decking. 5" x 10' $ 3 95. The Innovator in Concrete Expansion Joint Technology Concrete expands and contracts with temperature and moisture changes. Expanding joints are very closely related to control joints, which is well explained in our full article here. d g n NO. RX-101 and RX 101T require a 75 mm (3”) minimum concrete coverage to the exterior concrete surface (see Figure 3. Expansion joints permit volume change movement of a concrete structure or Keyed Joints. 224. We offer a wide range of Redi Mix concrete and various concrete supplies for our customers in the High Point, Greensboro, Thomasville, Winston-Salem, Asheboro, Lexington, Kernersville, Archdale, and Jamestown, NC areas, including wire mesh, rebar, driveway sealer, keyway joints, fiber expansion joints, poly strip expansion joints, 6MM polyethylene plastic, concrete vRecognize why joints are needed in a concrete pavement. Before getting to the screed key joints themselves, you’ll Isolation or expansion joints separate or isolate slabs from other parts of the structure, such as walls, footings, or columns; and driveways and designed joints. 40 are sometimes called expansion joints but should generally not be used to provide for expansion. Technical Product Data Sheet. Moreover, it serves to control cracking from stresses caused by volumetric changes of concrete owing to placements of concrete. When concrete is cured, insert a screwdriver through the top of SNAP-CAP, pull free and discard. DECK-O-JOINT PVC Expansion Joint DECK-O-JOINT is a decorative expansion joint for use wherever concrete is 3. SPEED-E-JOINT offers an ideal solution to controlling cracks in concrete. It creates a barrier between the concrete and other components of a structure, allowing movement without ð·ð With continuous placement, concrete shall be placed to full depth simultaneously on both sides of joint. An expansion joint is designed to absorb safely the expansion and contraction of QK35 is used in concrete applications. Check out the complete project: http://bit. We're Here to Help! Call Us at +1 (800) 342-3876. 0 (1) 1/2 (5) Height (In) 12 (1) Length [In] Home / Concrete Forming and Accessories / Concrete Forming / Control Joints and Keyway / BoMetals 5. Call us today to see how we can Connolly Key Joints are a roll-formed galvanised steel section used as a leave-in-place formwork to control shrinkage induced cracking. : In ACI 302. It is T h r ee types of joints are used in concrete floor con-s t r uction: isolation joints, control joints and constru c - tion joints. Re: Tile over expansion joint Actually it is a control joint (metal keyway) on a four inch slab. SFH. They provide no load transfer and Keyways should never be so thin as to be possibly sheared off with movement. True expansion joints in cast-in-place walls are not common. A construction joint is basically an Sika is proud to offer a broad range of concrete forming and placing products for concrete contractors. Keyway designs are either trapezoidal or half-round. Since contraction joints generally open somewhat as the slab cools and hardens, some space develops at each joint for later pavement expansion. Key-Loc® Joint, minimizes spalling. com. Install stakes. 1). Waterstops are usually made of rubber, plastics, or moldable plastic strips. MFG#: 2911010. 79 Metal Keyway. After the concrete is poured the top of the VoidCap is level with the surface of the Check us out installing some expansion joints for this concrete patio. 49 (FOOT) Share. Using wood to fill concrete expansion joints was originally thought to be a good idea because, like concrete, wood expands and contracts with moisture and temperature fluctuations. Description OCM, Inc's Metal Keyways are metal keyed joint formers that are used in concrete flatwork as Durarust, is our A-588 self weathering steel landscape edging. We also manufacture Block Caps and Weep Tubes. Control Joints And Keyway Sort By: Featured Items Newest Items Best Selling A to Z Z to A By Review Price: Ascending Price: Descending Products Per Page: 8 12 16 20 40 100 Ihis is considered a control joint to stop any cracks from traveling across the entire slab. It's cheaper, easier, and won't breakdown. You can buy rolls of foam specifically made for this purpose. MEADOWS offers several concrete METAL SCREED JOINT/KEYWAY Keyfold Joint Systems For Concrete Slabs. Construction joints Use construction joints when the c o n c r ete placement cannot be done at one time. BoMetals. 08-03-2003, 04:06 AM. KDgwMCkgMjUzLTQyMzc= Address: 6553 W 400 North, Using wood to fill concrete expansion joints was originally thought to be a good idea because, like concrete, wood expands and contracts with moisture and temperature fluctuations. Find My Store. The use of Screed Key Joint minimizes random cracking. Stakes interlock with slots to prevent the key from rising off the stakes. x 1/2 in. DECK-O-JOINT PVC Expansion Joint DECK-O-JOINT is a decorative expansion joint for use wherever concrete is A concrete expansion joint, also known as a control joint, is a gap in the concrete that allows it to expand and contract as the temperature rises. Benefits: They prevent thermal stresses from building up, Expansion Joints Only (See Note #9) Sheet Metal Bottom Strip For CONCRETE-CONCRETE JOINTS CONCRETE-ASPHALT SHOULDER JOINTS JOINT SEAL DIMENSIONS FOR REHABILITATION PROJECTS Joint Filler Preformed ALTERNATE KEYWAY AND HOOK BOLT KEYED JOINT NOTES STEEL HOOK BOLT ASSEMBLY PVC Tongue and Groove Joint Form. This allows expansion of the concrete, giving a highly effective, cost-efficient expansion joint system with a joint finish second to none. This type of joint would allow the slabs to move independantly. However, wood does not create a SPEED-E-JOINT consists of two solid pieces that have been pre-assembled for easy handling and installation. 3—Contraction joints 3. Expansion joints They are placed in concrete to prevent expansive cracks formed due to temperature change. MFG#: MK45010. States and even QuicKey™ [Patent No. The expansion joint profile has pre-formed holes every 150mm to accommodate dowels for load transfer. Screed Key produces a smooth, flush surface joint that requires no filling. Fiber Expansion Joints. Isolation and Expansion Joints: Joints placed to allow movement of the pavement without dam aging adjacent pavements, intersecting streets, drainage structures, or other fixed objects. 7. DECK-O-JOINT is a decorative expansion joint for use wherever concrete Keyway Systems bometalsadmin 2023-12-19T11:52:48-05:00. Conforming to AU/NZ concrete to expand or contract without creating damaging stresses. Select your local branch for best pricing and delivery options. info@formakey. They Homex 300 expansion joint is a pre-molded paper cellulose based strip for use in concrete and masonry joints to compensate for contraction and expansion caused by temperature change. This shows an unreinforced contraction joint which will occur in the middle of the pour to ensure that the concrete will crack at the joint. Expansion joints to be placed on approaches to bridges, ALTERNATE KEYWAY AND HOOK BOLT KEYED JOINT NOTES STEEL HOOK BOLT ASSEMBLY JOINT ARRANGEMENT FIBERFLEX® Fiber curbing expansion joint is a joint filler made from proprietary wood fiber blend of treated wood fibers and additives which yields flexible, easy -to-handle boards. Metal Double-V Expansion Joint is hot-dipped galvanized for durability and weather protection. x 25 ft. Keyway Systems. After the Concrete is poured the top Of the VoidCap is level with the surface of the slab. Easily mold a keyed tongue and groove construction joint with KEYWAY. KEYWAYTM is lightweight, flexible and an easy way to mold a keyed tongue and groove construction joint. Either keyways or tie bars are commonly used to transfer load. Due to the proven durability of REFLEX®, its use has been pre-approved by most U. MFG#: 5500. CEMCO Sometimes keyway joint are designed in longitudinal joint to improve the performance of the joint. METAL SCREED JOINT/KEYWAY. ISOLATION JOINTS. 3R-20 5. When the temperature rises or the moisture content of the concrete increases, expansion takes place. distributors of the SD7 Joint-Saver device for stabilizing joints and cracks in concrete floors. This allows expansion of the concrete, giving a highly effective, placements of concrete. The provision to accommodate movement at predetermined locations with Doweled Expansion Joints This includes concrete shoulders and traffic lanes. Concrete work shall use conventional cast-in-place forms that produce a smooth surface. You can see that the reinforcement has been Home / Concrete Forming and Accessories / Concrete Forming / Control Joints and Keyway / 10 ft. Expansion is a function of length. Reflex Tear Tab; EZ-Strip Form Clips; Standard Form Clips; Flat Stacking Ties & Wedges; X-Flat Ties; PVC Tongue and Groove Joint Form KEYWAY is lightweight, flexible, and an easy way to mold a keyed tongue and groove construction joint. They separate or isolate concrete slabs fro m 3. It also serves as an edge form, a contraction joint, and a screed rail. #construction #architecture #design The Innovator In Concrete Expansion Joint Technology Concrete expands and contracts with temperature and moisture changes. a keyed tongue and groove construction joint. 4—Bridges without expansion joints Chapter 5—Slabs-on-grade, p. It is a stay in place metal keyed control joint former. When PRO-KEY!" is used as a bulkhead or in a construction joint, knockouts shall be bent at 45 degrees into the concrete. RX 102 requires a 50 mm (2”) minimum concrete coverage to the exterior concrete surface (see Figure 3. 2—Contraction joints ACI 224. Our unique tongue profile allows continuous concrete slab pours. 39 Movement joints are also useful when laying concrete within an area bounded by walls or buildings, or when an object such as a manhole cover has to be incorporated within the slab, as they allow the concrete to expand and/or In concrete with re b a r s , the size and shape of a water-stop would depend on the type of joint—any of three ba-sic kinds: • construction joint, which has practically no move-m e n t • control joint, which has a limited move m e n t • expansion joint, which has a greater move m e n t Again, if no re i n f o rcing bars cross the joint For concrete joints in: Building Foundations, Slabs, Retaining Walls, Storage Tanks, and similar Non-Moving, Cold, Construction Joints. • Expansion Joints. Dowels, QuicLoad TM, Photo 1 – Contraction Joint. Made of 24-gauge for enhanced strength; Designed to reduce high spots and floating; Optimize your projects with our metal keyways, perfect for creating concrete keyway joints. After the surface of the concrete is finished, the top portion Of the VoidCap can be removed a void 1/2" deep. The provision to accommodate movement at predetermined locations with OCM, Inc's Metal Keyway Stakes are used with Metal Keyways as a control/construction joint system. A cold joint, really. "Save as PDF" option as printer destination. NSF Standard 61 Certified, Safe for Home / Concrete Forming and Accessories / Concrete Forming / Control Joints and Keyway / 10 ft. The provision to accommodate movement at predetermined locations with This CEMCO 10 ft. DECK-O-JOINT is a decorative expansion joint for use wherever concrete CONCRETE EXPANSION JOINTS If you need more information on our complete line of expansion joints, here are four quick and easy access points: in the wet concrete. BoMetals serves the masonry market with a complete line of Control Joint products, which are available in both PVC and Rubber compounds. Gray (1) Depth. Color. 3—Bridges with expansion joints 4. Joint Sealant, Expansion & Backer Rod; Expansion and contraction joints for concrete. Transverse Contraction Joints Product description: Key Joints are essential components of a metal joint system designed to transfer loads between adjacent concrete slabs while allowing lateral movement and limiting differential deflection. 3. Used Attach the keyway form to the edge of the concrete form with the narrow end facing inwards. Install the Screed Key Joint and pour the concrete - finish flush to the joint and the slab is finished. Comprised of NON-BENTONITE, modified chloroprene rubber, Sika® Hydrotite® expands up to A keyway may be formed with a slight draft angle at the joint face to accept the SWELLSTOP. Expanda Joint is made up of Danley® Keyjoint with a 5 mm close cell foam attached. Longitudinal Joints: Joints parallel to the pave ment centerline that control cracking and delineate lanes of traffic. Meadows 2931020 PVC Plastic Keyway Tongue Mainly, there are four types of joints in concrete: construction, isolation, expansion, and contraction joints. TIE BAR SIZES AND SPACINGS Pa v ement thickness, Si ze , L e n g t h , Sp a c i n g , REFLEX® is a rubber expansion joint filler made from 100% recycled materials. It even has a tear-away 3/4" strip so you can easily tear off the top and have a keyway. KEYWAY resists impact and will not whip or warp. 1—Introduction 5. Other concrete products include Keyway Caps, Dovetail Anchor Slot, Expansion Board Caps, Zip Joints, Chamfer and Radius Formers plus much more. The straight profile guarantees that the load is transferred through the Metal Keyway. It strips quickly To install, slide SNAP-CAP over the top of the expansion joint. Concrete Expansion Joint in Grey Trim-A-Slab is a product made from exterior-grade materials designed to replace rotten or missing wood often found in driveways and sidewalks over 5-years old. Expansion joints to be placed on approaches to bridges, ALTERNATE KEYWAY AND HOOK BOLT KEYED JOINT NOTES STEEL HOOK BOLT ASSEMBLY JOINT ARRANGEMENT NMW, Inc. S. It has square knockouts for square and round dowels. Knockout sizes meet expansion or isolation joints. for pricing and availability. If all foreign material is kept out of these openings, the contraction joints also serve as expansion joints, making regularly spaced expansion joints For instantaneous movement under load, the list of repairs includes joint fillers, retrofit dowels, and mechanical joint stabilizers. 3R-95 Joints in Concrete Construction The roll-formed galvanised steel section holds the pre-adhered expansion foam in place to enable expansion joints to be set up prior to pouring. BoMetals 5. KEYWAY is resistant to impact and warping. Our products come with a commitment to quality and reliability. : We are placing 4-inch-thick slabs. DECK-O-FOAM® Expansion Joint Filler $ 0. Concrete NZ Level 7 Panama House 22 Plastic Expansion Joint Products KEYWAY. MFG#: 2915010. Keyed Concrete Joint Form. Can we use dowels or keyways for load transfer? A. So we have to cater for this by way of joint to relieve the stress. Tags: None. View Product. We also sell stakes ranging from 12" to 24" long. Though the installation of keyway joint does not appear to increase the load transfer efficiency of longitudinal joint, it proves to help As for expansion joint material, I wouldn't use wood. Follow These Rules for Proper Jointing Keyed Joints. DECK-O-JOINT PVC Expansion Joint DECK-O-JOINT is a decorative expansion joint for use wherever concrete is allows continuous concrete slab pours. Not intended for use in expansion joints or joints that move. Its tongue and groove shape performs load transfer at slab joints. It is important that there is no continuity of concrete through the joint. 4—Isolation or expansion joints Chapter 4—Bridges, p. They separate or isolate concrete slabs fro m Tech Tips 009 — Joining Type NB190® to an Expansion Joint Waterstop; Tech Tips 010 — Waterstop Paste Bead Size; Tech Tips 011 — A Simple Repair of Torn Waterstop; Tech Tips 012 — How to Install Waterstop in a Concrete Joint an entire slab or strips can be poured at one time. com (502) 361-1396; snap-in splice at joint A rigid, plastic expansion cap with a removable top, VoidCap can be placed over all types of expansion joint. Keyway Construction Joints in a 5-inch Thick pavement . Sakrete The Connolly Expansion Joint is a continuous pour solution for expansion joints in slab on ground applications. x 1/4 in. 3R-14 4. It is economical, long lasting and trouble-free. QuicKey™ is the only galvanized joint system that features knockouts for square dowels, which provide better load transfer over round dowels and also reduce edge curl of the slab. expansion material cement blocks, pads and piers cement blocks, pads and piers concrete, cement, and masonry concrete, cement, and masonry. The In concrete with rebars, the size and shape of a waterstop would depend on the type of joint--any of three basic kinds: 1) construction joint, which has practically no movement; 2) control joint, which has limited movement; 3) expansion joint, which has a greater movement. If plans call for expansion joints, verify the type of joint intended and execute the details carefully so the joint works pro p e r l y. • Use a 2-pound hammer to dri v e the 2x4 into the fresh concre t e , pushing up concrete from under Shear keys for basement walls: pros and cons The familiar key and keyway at the wall-footing joint present some construction problems Figure 1. The straight profile guarantees that the load is transferred through the Keyways should never be so thin as to be possibly sheared off with movement. Connolly universal dowel sleeves simply twist and fix into place ensuring correct alignment and Keyways should never be so thin as to be possibly sheared off with movement. 5 In x 10 Ft Pro-Key Keyway. Skip to : KEYWAY - QUICK KEY 5-1/2X10 SKU# KEYWAY55. However, wood does not create a We carry 3 1/2" up to 7 1/2" keyway joints in 10ft lengths. 7. 5-in x 4-in x 5-ft Reflex Rubber Concrete Expansion Joints. 1. Concrete cracks because: a. SKU#: 272QKCJ412. Brad Helminem is head of technical sales for Somero Matson Group LLC, U. Transverse Contraction Joints Sika® Hydrotite® IS A STATE-OF-THE-ART HYDROPHILIC WATERSTOP with unmatched durability and watersealing capacity. KEYWAY is lightweight, flexible, and an easy way to mold a keyed tongue and groove construction joint. Generally, We offer a galvanized keyfold joint system for concrete slabs that are innovative, time saving, and most importantly: environmentally friendly. Key-Loc® Joint System, a one-step interlocking joint-stake keyway system with ratchet top stakes, joint splices and optional stake clips. DECK-O-JOINT PVC Expansion Joint. x 10 ft. I am winging this and need some advice on cutting expansions joints in my slab. Availability: Out of Stock. STAKE - QUICK KEYWAY 18" SKU The Innovator In Concrete Expansion Joint Technology Concrete expands and contracts with temperature and moisture changes. Select Manufacturers. G34 Load Key Joint Dayton Superior G34 Load Key Joint is 24 gauge steel avail-able in heights of 7-1/2" and 9-1/2". View All; concrete mix-ins for concrete concrete mixers Keyway Metal Exp Joint 3-1/2" Item No. Keyed joints include a keyway Uses: Common in bridges, roads, sidewalks, and large concrete floors, expansion joints are necessary where temperature variations or environmental conditions cause significant expansion or contraction. Features. x 3/4 in. It is a rigid preformed contraction joint that Home / Concrete Forming and Accessories / Concrete Forming / Control Joints and Keyway / 10 ft. SMOOTH CONCRETE DOWELS Smooth concrete dowels for Isolation or expansion joints separate or isolate slabs from other parts of the structure, such as walls, footings, or columns; and driveways and Bruce A. 5380122] prevents costly delays associated with resetting key joint when floating concrete. Turn to us for a range of expansion joint products. 22 (FOOT) Add to List. KEYWAY resists impact and will not whip or PVC Tongue and Groove Joint Form KEYWAY is lightweight, flexible, and an easy way to mould a keyed tongue and groove construction joint. The surface of the steel develops a rusted finish for a rustic look but resists rusting further. 6 Months Everyday Financing** available on purchases of $299 or more. R. DECK-O-JOINT resists acids, alkali flexible and an easy way to mold a keyed tongue and groove QuicKey™ [Patent No. Description OCM, Inc's Metal Keyways are metal keyed joint formers that are used in concrete flatwork as QuicKey 3-1/2 in. Sika Speed Cast-in-Place Metal Keyed Control Joint Formers For use in concrete flatwork as a control or construction joint. The straight profile guarantees that the load is transferred through the The American Concrete Institute (ACI) is a leading authority and resource worldwide for the development and distribution of consensus-based standards, technical resources, educational programs, certification programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a Expansion joints The concrete is subjected to volume change due to many reasons. Our QuicKey TM and Pro-Key TM Systems and nail-on control joints with tongue and groove design provide excellent load transfer options. Beveled strips can be used to form keyways, being removed, after the concrete has hardened. Pour Lines Pour lines are often confused with cold joints, but they differ in one fundamental way: pour lines are primarily cosmetic and do not impact the structural strength of the concrete. The • Where the keyway is to be form e d , place an 8-foot-long beveled 2x4 on the concrete surf a c e . $3. Benefits: They prevent thermal stresses from building up, Hey guys, I recently poured a 15x24 concrete slab. Water, ice, salt and Some longitudinal joints require the use of a keyway with no tie bars. SKU#: 525VC1WRM. 1700 sf. It’s been 10 days since I poured it and am curious if I waited too Expansion joints in concrete pavement are also seldom needed, since the contraction joints open enough (from drying shrinkage) to account for temperature expansion. 312KEY 312KEY. . ly/2FQKvWFShare this Video: https://youtu. Any type of The keyway may be formed by fastening metal, wood, or pre-molded key material to a wood bulkhead. EXPANSION JOINTS Expansion joints permit volume change movement of a concrete structure or member. Sika Speed LoadTM passes through pre-drilled expansion boards and has a self-locking design to securely position and align round dowels for positive load transfer. It is a rigid preformed contraction joint that Dayton Superior G33 Screed Key Joint is available in ten foot lengths in heights of 3-1/2", 4-1/2" and 5-1/2" for use in 4", 5" and 6" on-grade concrete floor slabs. Control Joints And Keyway; Expansion Board; Flat Ties; Loop Ties; Panel Forms; Pencil Rod; Precast Curbs, Piers And Bumpers; FIBRE EXPANSION JOINT - Concrete Concrete & Masonry Materials; Joint, Thermal, & Moisture PVC Plastic Keyway Tongue and Groove Joint Form 2. 2—Construction joints 4. 6502359] is the only galvanized joint system that features knockouts for square dowels, which provide better load transfer over round dowels and also reduce edge curl on the slab. Stakes quickly and efficiently interlock with keyway. It's made of 26-Gauge steel and built to last in exterior applications. PVC Tongue and Groove Joint Form KEYWAY is lightweight, flexible and an easy way to mold a keyed tongue and groove construction joint. Sometimes it works, sometimes not. Place the concrete and screed to finish grade as usual. 4-1/2"X10' Quickey Key Control Joint Bo Metals. The expansion process begins immediately when SWELLSTOP JOINT DOWELING SYSTEMS Concrete Accessories Sika® Speed LoadTM FOR EXPANSION JOINTS Sika Speed LoadTM is a single component dowel sleeve for use in expansion joints. When stripped out later, a keyway is left in the concrete. The profile is fixed in place using the patented peg and wedge system. The Connolly Expansion Joint is a continuous pour solution for expansion joints in slab on ground applications. Decrement Increment. Expansion joints provide expansion room for full pavement depth. It is important that there is Expansion joints permits thermal contraction and expansion without inducing stresses into the elements. It is used to Without joints, most concrete pavements would be riddled with cracks within one or two years after placement. Keyway joints are widely used in concrete floors and pavements to facilitate load transfer, accommodate expansion and contraction, and minimize cracking and damage. Guest #2. Contact him at [email protected]. PVC Expansion Joint Cap. This is a combination of slab form, and keyway former with screed support for forming concrete floor slabs. Shop for expansion joints at BEST price in the expansion joints, rebar & remesh, concrete, cement, & masonry department only at Home Improvement Outlet. 27 Available. Expansion joints consist of a preformed joint filler, generally 1 in This report discusses construction, contraction and expansion joints in reinforced concrete buildings. EXPANSION JOINT MATERIALS Pre-molded paper cellulose based strip for use in concrete and masonry joints to compensate for contraction and SPEED-E-JOINT consists of two solid pieces that have been pre-assembled for easy handling and installation. 4. W. an expansion joint sealant. CONCRETE PAVEMENT JOINTS 6 / 2 8 / 2 0 1 2 9:4 5:1 2 A M R E V I S I O N C:\ d \ p r o j e c t s \ s t a n d a r d s \ r o a d w a y \ 0 0 3 0 0-s \ 0 0 3 0 5-0 1. 00 Select options This product has multiple variants. All Keyway Find Steel concrete expansion joints at Lowe's today. Longitudinal joints are installed in concrete pavement to prevent differential settlement between adjacent concrete panels. MFG#: 2916010. But it’s not. Construction joints. $1. It strips quickly and can be reused or left in place. Shop concrete expansion joints and a variety of building supplies products online at Lowes. How is the best way to protect against a crack telegraphing through the tiles? Thanks. PRO-KEY!" (US Patent Number 5380122) Metal Keyed Control Joint System For Concrete Slabs ULTRA FINE Joint Line. R. MEADOWS offers several concrete REFLEX® is a concrete expansion joint filler made from 100% recycled materials. Isolation joints (sometimes called expansion joints) a l l ow movement in both ve r tical and hori z ontal dire c - t i o n s . PVC Tongue and Groove Joint Form. Even cedar or redwood is going to breakdown eventually and leave a mess. Manufacturers. SKU#: 525VC34WRM. 10 ft. For slab-to-slab joints, the keyway can be pressed into the joint while the concrete is In this article we study about the types of construction joints, locating of joints, quality and advantages of use of construction joints in concrete Types of Construction Joint Construction 0. Some agencies eliminate keyways when a pavement is Figure 13 shows standard dimensions for both basic designs. After the DECK-O-JOINT is a decorative expansion joint for use wherever concrete is placed. PVC Tongue and Groove Joint Form KEYWAY is lightweight, flexible, and an easy way to mould a keyed tongue and groove construction joint. Questions & Answers (2) Hover Image to Zoom. Figure 3. The report addresses the purpose of each type of joint and emphasizes the selection of joint locations and joint spacings. 1/2", 3/4", 1" fibered expansion joints in 10ft lengths They all relieve contraction stresses in the concrete. Residential FJ6 Keyway Joint; FJ3 Dowel bar with sliding free end; c) All of these joints will also allow some expansion : Adjoining walls columns etc where no load transfer is required across joint. Skip to Results. Apply Now. Expansion joints should be positioned against forms at interrupting objects or columns and against abutting structures prior to the placement of the concrete. Keyways and/or tiebars can provide load transfer. Quantity. These durable expansion joints are versatile and should be considered when taking on any of these projects: Choose a Product. Search Within Category. x 1 in. SKU#: 272PKCJ512. Simply nail or staple KEYWAY to the form or header prior to pouring the concrete. 2). Spalling of edges is avoided by careful handling during removal of the strips. A rigid, plastic expansion cap with a removable top, VoidCap can be placed over all types of expansion joint. Add To Cart. They include QuicKey TM, the only galvanized joint system that features square CONCRETE PAVEMENT JOINTS 6 / 2 8 / 2 0 1 2 9:4 5:1 2 A M R E V I S I O N C:\ d \ p r o j e c t s \ s t a n d a r d s \ r o a d w a y \ 0 0 3 0 0-s \ 0 0 3 0 5-0 1. Add to List. The options may be chosen on the product page Positive stake-to-key lock of PRO-KEY™ [Patent No. Although a crack is a "free' control joint An expansion joint is usually a seperation of the slab with a piece of expansion material. Expansion Joint Failure in Pavement Due to Use of Rebar in Lieu of Smooth Bar Dowels. Q. Picture above are of an expansion joint in concrete pavement in which deformed bar reinforcement (rebar) was used in lieu of If using a screed key joint on your concrete project is necessary, follow these steps to ensure proper and effective use results in high quality slabs. The provision to accommodate movement at predetermined locations with If concrete were elastic, contractors would have much simpler jobs. Print. Keyways (Figure 7-8) may be trapezoidal or semi-circular in shape. States and even 1/2 in. Picture above are of an expansion joint in concrete pavement in which deformed bar reinforcement (rebar) was used in lieu of smooth bar dowels to cross over the joint. Costly and time-consuming checker boarding is eliminated. vsafrxuuwstqumkbglewlwwsznhazvskuvolvjsylmlogqhanhmdp