Stucco control joint vs expansion joint. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. Geological movement or settlement. ICT: Inside Corner Control Joint (Metal)1. Foundation repairs with stucco, #shortsfeed, #stucco, #shorts, #youtubeshorts, #tiktok, #trending, November 3, 2024 Home Depot Stucco, In stucco on block What are the control joint spacing requirements for stucco on block? "Control joint spacing in masonry is usually between 20’ to 25’ on center. Product and Systems Technology Fig. Technical Support Sweets 09206/ALB Sales Department 800/366-2642 ext. In pavements slabs on ground it is a separation between slabs filled with a compressible filler material. These joints are generally used in concrete masonry walls and stucco. 1 Lath > R703. Casing Bead; Control Joint; Expansion Joint; Reveal; Weep Screed; SolidGround® SUPERIOR® Moisture Prod; TruFlush™ Tru-Weep™ Vent-Rite™ EXTRUDED PRODUCTS. Expansion joint, n—a joint that accommodates movement beyond plaster shrinkage and curing. 1. Control Joints help with the embedment of the lath and flange while assisting with tying requirements of discontinuous lath to the joint. DOUBLE ‘V’ EXPANSION CONTROL JOINT CRTNS/ Pallet Nominal LBS/CRTN Nominal WT/Pallet* 1/4“ GALV. We offer consistent quality, uniform lengths, and Horizontal Expansion Joint In Three Coat Stucco Installation. 0 m opening ≥2. Home. A construction Control joint, n—a joint that accommodates movement of plaster shrinkage and curing along predetermined, usually straight, lines. Expansion Joint Written by Chelsei Henderson on Nov 07, 2010. 4. Master East Bay stucco and plaster contractors. MOVEMENT CONTROL JOINTS. Easily create a Stucco Done Right LLC shows you a current project that our crew worked on to repair stucco where it was cracked due to dissimilar substrate walls behind the Control joints help control cracking due to shrinkage, while expansion joints accommodate the movement of concrete caused by thermal expansion and contraction. Metal Lath & Access. Control Joints (CJ) are 1-piece joints designed to relieve stress and minimize cracking; they accommodate initial stucco shrinkage and minor thermal In theory, you do not need to use control joints in your stucco walls. Found in: Exterior Finishing > Expansion Joints. Expansion and control joints are engineered into buildings to compensate for anticipated movement. Large Detail Drawing. Control joints are meant to control cracking, while expansion joints are meant to allow for movement. Usually, we think of control joints in concrete masonry (CMU). It’s important for you to understand both kinds so you are prepared to follow your flooring contractor’s suggestions for your facility. A control joint is a gap that's intentionally placed between two stucco areas to direct inevitable cracking in a predictable and aesthetically acceptable way. Find a Distributor. Reviewed by . 7. Griplock J Control Joint (#XJ15 Joint) is similar to the M Control Joint except the J design provides locking of the stucco to the edge of the joint. 3 control joint over structural expansion joint. Download Double-V Control Joint; Download CEMCO’s Metal Lath, Plastering, Water Management Products Catalog; Create a Submittal . control joint on one side of opening. Different parts of a house heat up and cool down at different rates, Where expansion or control joints occur in the base wall construction and/or building structure (see fig. Because Control and/or expansion joints are the Stucco industry’s solution for minimizing and controlling cracking in stucco wall systems. Find a Distributor Request More Information. https://www. You will, however need to use them if your building department requires them or if they are specified in the plans. Code Approvals & Performance Standards. Expansion joints were made for two reasons-one to control cracking due to expansion and one A control joint is used to minimize cracking in the surface of a material. 2. NVS: Narrow V Screed (Metal)1. Control joints (expansion and contraction) shall be installed in walls to delineate areas not more than 144 sq. Menu. i. The Best Practices to Design and Install Control Joints There is a reason control joints are considered essential for whatever projects you have in design. 0 m maximum opening to next joint. CEMCO has built its reputation on Control Joint vs. Vertical control joint – plaster finish over polystyrene sheet. View Product. Sikadur®-51 SL. These joints can be ordered without the removable tape. 11. PM17 Technical Information. Catalog. Entertainment Music TV & Film Performing Arts Visual Arts Fashion & Style Love & Romance Gaming Careers Career Paths Finding a Job Succeeding at Work Business Ownership Control Joints (CJ) are 1-piece joints designed to relieve stress and minimize cracking; they accommodate initial stucco shrinkage and minor thermal movement. Visit the Home Depot to buy CEMCO 10 ft. 3/4 in. A stucco expansion joint is similar to a control joint but allows for expansion in the wall assembly, so actual movement of the wall itself. These caps are ideal for capping windows, closets, doorways, skylights and other When installing concrete flooring, your contractors will likely suggest that you include joints, with control joints and expansion joints being the most common. SHOW ALL; Plaster Trims. One hundred forty four square feet translates into The locations of movement control joints in the plaster finish vary according to the substrate type. The Double-V Control Control Joints Versus Expansion Joints. 4 m2) and to delineate areas not more than 100 ft2 Stucco does not require expansion/contraction joints (also called control joints) when directly applied to concrete, concrete block, or other masonry, except where there is a Stucco control, a popular exterior finish, requires precise handling to ensure both aesthetic appeal and structural integrity. Expansion joints are more common on big commercial projects DIAMOND FURR TT-4 Stucco Expansion Joint. 4 www. on vertical surfaces and 100 sq. #XJ15 Expanded Flange Control Joint (Double-J) is used to relieve stresses in large plastered areas of walls, ceilings, and stucco areas. Back to list . Reveals; F-Reveals; T-Molds; Corners/Base of That is, a four-inch sidewalk needs control joints one inch thick. EXPANSION JOINT. Let's Build Something Amazing. This can occur from expansion (heat of the day) and Control joints, or C-Joints, are crucial elements in stucco applications, ensuring both the aesthetic appeal and structural integrity of walls. Three Part Specs. control joint control joints on both sides of opening. CSJ: Corner Slip Joint - 2 Piece (Metal)1. Epoxy flexible resin for sealing joints. Stucco contracts and expands with temperature changes, and it causes no problems. This Double J-Control Joint is manufactured by Niles Corporation and distributed by CEMCO. Expansion joints give stucco room to move. Differences In Purpose And Function. Product Overview *** THIS ITEM CANNOT BE SHIPPED - AVAILALBE FOR PICK UP ONLY *** Expanded Flange Control Joint (Double-V) is used to Control joints help control cracking due to shrinkage, while expansion joints accommodate the movement of concrete caused by thermal expansion and contraction. drywall expansion joint. 00 / per unit Quantity: Total: Add to Cart. In particular, horizontal expansion joints should usually be provided EIFS & Stucco Plaza Decks PVC Roofing Tile Setting Expansion Joints Joint Sealants Liquid Applied Roofing Flexible epoxy control-joint sealer/adhesive. IN EXTERNAL PLASTERED AND TEXTURED FINISHES. Expansion joints, or isolation joints, are used between two different concrete pours, or where concrete meets with another material or even a structure. Related Products. Note: Removable tape has been provided to clean the joint after stucco application. 0 m. CEMCO is quality, service, support, and innovation. 8 Structural Design Criteria, Joints, Gaps or Voids in Shelter Envelope . The central focus of this paper is the stucco joint, not the lathing accessory as a component of a stucco joint. Share this: Facebook; X; Kirk & Jason Giordano. 1: 2007 requires control joints to be located: Stockton Products: Metal / Stucco > Expansion Joint Stockton Products® Stucco Accessories. NZS 4251. Control joints can also act as architectural embellishments delineating texture Control joints, also known as movement joints, are essential in preventing cracks in stucco due to thermal expansion, contraction, and other environmental factors. 2020 Minnesota Residential Code > 7 Wall Covering > R703 Exterior Covering > R703. This comprehensive guide aims to In traditional stucco work, is there a distinction between control joint and expansion joint ? Yes. All two piece designs, to allow for vertical movment. ) systems finished with 3-coat stucco/plaster offer new challenges to architects and installers alike. The distance between control joints shall not Here are the best uses of stucco control joints for stucco, including one and two-piece joints, along with installation and joint spacing specifications. CAD Details . DVG: Double V Groove (Metal)1. The cause of the movement may range from: Thermal expansion and contraction of similar materials. A control joint weakens the concrete to draw shrinkage cracks to one location. By following best practices for joint Two-piece expansion control joint #40 Expansion Joint is a two-piece, slip joint that finishes butt ends of adjacent panels in tall or wide walls and ceilings to allow for multi-directional movement with increased corrosion resistance. Note: For design consideration of control and expansion joints, see ASTM C926, Section A2. Change Job Location Boydton, Virginia 23917, United States. cavity battens When it comes to M-Slide Expansion Joints® for moisture management, Stockton Products® has nine styles that will move you. Channel Reveals; 2-PC Exp. 5 Lath shall not be continuous through control joints but shall be stopped and tied at each side. 10’ standard length. Detail: # 01ST12WD003. Vinyl 2-Way Corner Caps (50-Pack) finish 2 intersecting 90-degree corners. Figure 3 Expansion joints and control joints are essential components in helping to prevent cracking by accommodating movement caused by temperature fluctuations, moisture changes, or structural loads. When it’s ready, the saw will make a smooth cut that doesn To conclude, I describe the differences between expansion and control joints. Marino\WARE® steel accessories are engineered to meet or exceed industry standards, including ASTM and AISI specifications. Phillips #15 minimizes cracking in large plaster areas and provides ground to assure proper plaster or stucco thickness. Where to install expansion joints. 10. reflected ceiling plan Fig. Control joints are “planned points” where the concrete is expected to crack as it cures and reacts to changes in temperature. This expanded wing control joint minimizes cracking and assures proper plaster and stucco thickness. If you’re looking at picking up a float and trowel, you should know the difference between a control joint vs expansion joint. Products Used . Charles Ramos, Jr. Semi-flexible Epoxy Control Joint Resin . Installation Animation. 2 m² • Control joints in masonry are vertical weak planes intentionally built or cut into masonry to control where cracking occurs. 1 control joint at junction of veneer plaster partition and masonry wall. If you do not end up using them, keep in mind that you may have a bit more shrinkage cracking on larger walls with minimal to no windows or doors that break up the wall surface area. 1: 2007 Solid plastering – Cement plasters for walls, ceilings and soffits. Expanded flanges allow for quality keying. TRC: Tru-Corner® (Metal)1. Thermal expansion and contraction differentials between dissimilar materials. Issues arise in the stucco when your home consists of different materials with varying properties. This design helps reduce stucco separation at the edge of the joint when stucco is forced under the J flange. Control joints are designed to control shrinkage or other cracking where relief of masonry expansion is not required. An improved version of the “M” type control joint. INQUIRE. Locating the joints in stucco. When installed properly, they will help both cladding systems function correctly. Howdy subscribers, below are all the basic tools we use and recommend on Amazon’s website. 4. diagonal reinforcing where: • opening area is >0. There are specific codes that you must adhere to though if you have If you don't really like the look of control joints, but are required to have them installed on your project, then I would advise you to put in as few as possible and keep it simple. On the other Control & expansion joints are an essential detail of any Stucco or EIFS system. When they are The expansion joint separates structural building loads from transferring from one side of the expansion joint through to the other side of the expansion joint, minimizing stucco Control/expansion joints are considered to be a major part of the stucco installation and necessary in almost every installation. Founded in 1974, CEMCO is recognized as one of the largest manufacturers of steel framing and metal lath systems in the United States. Standard Length: 10 feet scale varies with dimension “M” Type Expansion Joint Vinyl Control Joint. The Control Joints are required to form membrane panels no larger than 100 sf for ceilings and 144 sf for walls. Description; Technical Data; Installation; Resources; Submittals; Samples; Top; Description. 3). All materials expand and contract. 3/8“ ZINC: 42 Expanded flange inside corner control joint #30 Corner Master™ Expansion/Contraction Control Joint (Double-V) is designed to provide stress relief at inside corner intersections on plaster walls. Because clay masonry undergoes permanent An expansion joint in a concrete structure is a separation provided between adjacent sections to allow movement due to dimensional increases and reductions of the adjacent sections and through which some or all of the bonded reinforcement is interrupted. Expansion Joint (Galvanized), Box of 24. Find a Sales Rep. Expansion joints divide the stucco facade into “panels”, limiting the spread of cracks. According to the Expanded flange control joint #15 Expanded Flange Control Joint (Double-V) is used to relieve stresses in large plastered areas of walls, ceilings, and stucco areas. 366. Skip to content. 1:2007 Solid plastering – Cement plasters for walls, ceilings and soffits. Then in the 1970s, extruded aluminum lathing accessories7 were introduced, which are used to create one type of decorative Location of vertical control joints in stucco. Expansion Joints (EJ) are 2-piece joints designed to accommodate a full break through the How to attach control or expansion joints for stucco walls. A twelve-inch slab needs control joints cut to three inches. Sikadur®-58 CJR. 306. opening between 500 mm–2. Keeping the wall well Expansion joint (galvanized), box of 24; Share. This Control Joint pro-vides returns to better lock into the stucco. Control joints should be installed in any masonry assembly that expected to experience net shrinkage over time. For example, for decades, the terms “control joint,” “expansion joint,” “control/expansion joint,” and other variations were used interchangeably, yet they describe different things. Related Resources. They compartmentalize the wall system. . Get the Details. /Box; 1538: 3/8" 4" 10' 35: 1550: 1/2" 4" 10' 35: NOTE: Connector clips are provided except with 3/8" ground. There is controversy and confusion in our industry about their 7. Joints allow water to escape from the stucco system. Double “V” Control Joint (#15) View Product. 205 Section 9206 Buyline 07622 Stucco & Plaster Catalog. ASTM C1063 Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-Based Plaster; ASTM C1861 Standard Specification for Lathing and Furring Accessories, and Fasteners, for Interior and Exterior Portland Cement Movement control joints in stucco. Continuous insulation (c. They provide a “controlled” Stucco control joints help to break up the wall and can also give you a unique look, while helping with shrinkage cracking. us the control joint lathing accessory5 and expansion joint lathing accessory6 to “prevent cracking of walls and ceilings”—a lofty goal, to be cer-tain—ultimately giving us the control joint and expansion joint. com | 800. Thermal expansion and contraction will occur in buildings – that’s a given – and control joints help prevent resulting cracks and damage. amicoglobal. The Double-J has a 5/16” reveal and Q: When installing control joints in a portland cement stucco system, is it necessary to cut the lath? A: According to ASTM C1063, Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-Based Plaster, the lath must be cut: “7. Price: $0. Controlling costs while designing an effective installation method that minimizes moisture intrusion. Produced in 10’ lengths. PRODUCTS. ← Back to Expansion Joint. Movement control joints in stucco Movement control joint requirements for reinforced stucco over a drained and vented cavity with a rigid or non-rigid backing are set out in NZS 4251. 30 Corner Expansion Joint. They provide openings for proper drainage and moisture control. Panels are attached to parallel studs Expanded flange control joint with a taped reveal for a clean finish. The Double-V expansion joint absorbs movement resulting from expansion and contraction of plaster walls and controls cracking. Vinyl 2-Way Corner Caps (50-Pack) The Phillips gripSTIK 3/4 in. Joints, gaps or voids in a shelter envelope that opens into the protected occupant area similar to masonry control joints, Control joint. Rainscreen CONTROL JOINT VS. M-S: M Screed (Metal)1. One example would be the control joints used for installing stucco over a wood frame wall. Control joints are made by cutting grooves in the slab as soon as it’s hard enough to cut without raveling. Metal Double-V Expansion Joint 50641 drywall control joint. 1 Control Joints—Control (expansion and contraction) joints shall be installed in walls to delineate areas not more than 144 ft2 (13. Griplock J comes pre-taped to ensure a clean joint. A concrete saw is required to make these cuts. ASTM standards are covered as well as industry practices as they relate to these on expansion joint. Product code Ground (A) Overall width (B) Length Pcs. Does Stucco Expand and Contract? Contents. Check out our recommended stucco tools if you plan on doing it yourself! Related Posts. This Control Joint provides returns to better lock into the stucco. IMPERIAL gypsum base 2 control joint in "L" shaped ceiling. L & R Weep Screed™ LR 3501 . Flat flange for thinner, 1-Coat applications. 1 Control Joints and Expansion Joints. They should align with any movement control joints in the substrate and occur where the Do I Need To Use Control Joints In My Stucco? In theory, you do not need to use control joints in your stucco walls. Designed for Moisture Control | Economical Rainscreen Drainage Plane | Rainscreen Drainage Plane. Stockton Products > Metal > Stucco > Control Joint CICJ: #9 Control Joint (Metal)1. 3. Not to mention costly RFI’s can be a daunting task. Hello, feel free to check out our recommended tools on the Amazon Adding stucco control joints before stucco repairs. Two-piece expansion control joint #40 Expansion Joint is a two-piece, slip joint that finishes butt ends of adjacent panels in wide or tall walls and ceilings to allow for multi-directional movement. No. ft. 1 hours • Beginner • 1; A This short video covers the history and use of control joints in stucco. About Sika History of Niles Double ‘V’ Expansion Control Joints are used to provide mechanism for movement to accommodate expansion and contraction caused by initial stucco shrinkage and minor thermal movement. Expansion joints, on the other hand, should be used wherever the joints need to control both expansion and contraction. ” With removable tape. Stucco on wood frame construction is another story, because stucco has a different rate of expansion/contraction than the underlying wood Accessories include control joints, expansion joints, corner bead, casing bead (plaster stop), cornerite, weep screed, etc. Product Data & Ordering Information. According to the Portland Cement Association, joint spacing should meet the following criteria: No area should be greater than 18 feet in either direction Control and expansion joints are essential for keeping things intact, whether dealing with a personal driveway or a major highway. Joint spacing and location in stucco is dependent on whether the stucco is directly applied to the solid substrate or is placed onto lath which in turn is attached to the wall. stu Like control joints, expansion joints should be provided near corners in the masonry, near returns or changes in the planes of the masonry wall, at any significant changes in the wall's height or stiffness, at changes in foundations and at regular intervals along the wall. 1/4“ ZINC: 42 42: 37 39: 1554 1638: 3/8“ GALV. Or, give us a call: 1-800-775-2362. You will, however need to use them if your building department requires Control joint. However, other masonry products that are portland cement Vinyl Control Joint with Removable Tape is an improved version of the "M" type control joint. Here’s a full breakdown of how these joint types differ and why both are useful. on horizontal surfaces. Installing stucco control joints at additions or garages. PDF. By following best Stucco does not require expansion/contraction joints (also called control joints) when directly applied to concrete, concrete block, or other masonry, except where there is a change from one material to another. on Jan 13, 2020. Understanding the differences between these joint types and their applications is essential for designing and constructing durable and resilient concrete structures. TWHJ: Tru-Weep™ #9 Horizontal Control Joint (Metal)1. 10’ standard length. It is usually cut 1/4 of the way through a slab within 18 hours of Expansion Control Joints; Phillips Manufacturing Expansion Joint relieves the stresses of expansion and contraction associated with natural shrinkage during stucco curing and basic thermal changes. Double “J” Control Joint (XJ-15) View Product. But with rising costs, many DIYers are looking at tackling the task. Contact Us. In this comprehensive guide, we delve into the world of stucco control Control joints are not intended to accommodate structural movement of the wall assembly. 7 Exterior Plaster (Stucco) > R703. PBS: Pointed Base Screed (Metal)1. 2642 Vinyl M-Type Control Joint with (optional) Removable Tape › Expansion Joint. Movement control joint requirements for reinforced stucco over a drained and vented cavity with a rigid or non-rigid backing are set out in NZS 4251.