When compressed, a convex bellows is created in the coating. If not for the expansion joint, pressure from the deck can cause the coping and tile to crack or dislodge. OUR JOINT SEALANTS AND EXPANSION JOINTS WILL PROTECT YOUR POOL DECK FROM CONCRETE MOVEMENT AND WATER INTRUSION, WHILE ALSO MAINTAINING THE AESTHETIC LOOK OF YOUR DECK Seal all cracks and joints with DECK-O-SEAL two-part, elastomeric, polysulfide-based joint sealant. Tile is typically installed prior to the placement of the coping to establish a level waterline and aid in setting the coping pieces though it can just as easily be installed afterward. This can be pushed down, cut down, or burned down with a torch. These factory-fabricated single-piece 90-degree units have a 12-inch long leg and a 6-inch vertical piece on each side of the elbow. Join your peers on the Internet's largest technical engineering professional community.It's easy to join and it's free. Example - 50 m (164 ft) length pool expands 10 mm (.4 in) on average after filling and requires aggregate joint width 3-4 times the anticipated movement or 30-40 mm (1-1.5 in) wide. Wear old clothes and shoes, this can get messy. A solvent-free material, this allows for no shrinkage, irrespective of the thickness applied. Pre-molded joint filler should be used to separate slabs from building walls and footings. Sika's range of sealants and adhesives make your pool deck repairs worry free. You should go as far as adding small rebar pieces thru one of the upper bolt holes in the steel panels to reinforce that area. Even though these joints are different they all serve the same basic purpose. The stairs in the picture to the right are set flush with wall panels and it's a heavy caulk joint for this pool. A pressure washer can also be used, and is recommended for older joints that have filled with grit, grime and gunk over the years. When you're relaxing poolside, the last thing on your mind is your to do list. I like to use a high quality urethane caulk. This is a nice time to cut concrete because its not 100% cured which makes cutting a little easier. The expansion joint serves to allow space for the pool deck and the pool wall to expand, without knocking into each other. Bad news for the pool wall. When pouring concrete within an area bordered by walls or buildings. Standard color is white. Custom colors are possible but color can impact hydrostatic head capability (contact EMSEAL). Dubai, UAE JOURNAL Articles ON EXPANSION JOINTS. Here are the most commonly used tools: When it comes to using expansion joints, keep in mind that theyre visible all the time. Plan the exact location of all your joints so the slab looks even and uniform. Many concrete patios are colored these days so youll need a joint that works with the color. Please enter this 5 digit unlock code on the web page. Where Is Area Code 855 And How Can I Tell Whos Calling? If you install them first, a flexible material is inserted along the length of the joint before the concrete is poured. Its not a forgiving material. Fiber expansion joints being installed in between slabs. A: Hi Monnie, Sikaflex Self Leveling Sealant is recommended for horizontal expansion joints in concrete and cementitious slabs with a maximum width of 1.5 inches and a maximum depth of 0.5 inches. Repairing cracks in cultured stone and concrete. There are a few things you should think about other than the function purpose of the joint. Submerseal is supplied in 6.56 LF (2m) shrink-wrapped lengths (sticks). Belzona application in progress. EMSEAL and stand by. Date:5/1/2014, Publication:Concrete International Vertical expansion joints in Poured in Place and Precast coping are typically filled with Backer Rod foam rope and then covered with flexible mastic like Deck-O-Seal or Sikaflex-1A. Expansion joints need to be installed 2 to 3 times in feet the thickness of a concrete slab in inches. Ive seen plenty of joints that were not cut straight or accurately. Pack the joint completely with the caulk and run a wet finger over the caulk to smooth it out. "caption": "In The Swim Blog" They all do basically the same thing but are used in different applications. Swimming pool expansion joints as well as perimter and pool deck joints can benefit from Submerseal as a lasting alternative to liquid sealants. Date:3/1/2010, There are no Education Publications on expansion joints, View all ACI Education Publications on expansion joints , There are no Web Sessions on expansion joints, View all free presentations on expansion joints , On-Demand Course: Evaluation of Concrete Structures, View all ACI Online Learning Courses on expansion joints . A concrete expansion joint, or control joint, is a gap between two concrete slabs. Date:9/1/2015, Publication:Concrete International Regardless of where you place the control joints, the depth remains the same. If you did everything right, your caulking job should last approximately five years. The pool expansion joint is the joint between your inground pool and the pool deck. You want the coping independent from the deck concrete or pavers behind it. It is filled with a special pool caulk thats a flexible sealant. Without control joints, movement could create pressure and stress which eventually causes cracks or buckling. The pool is fairly irregular in shape and thus we have inserted expansion joints in the proper locations with dumbell type waterstops. Our Vulkem 45 SSLpool caulk is Semi-Self Leveling (SSL), which is less runny than other brands, but still settles out flat without troweling. Theyre big, heavy, powerful, and put out a ton of concrete dust. Belgard pavers come with a lifetime structural warranty. So if your patio is 4 inches thick, it can be 8 to 12 feet long or wide without requiring an expansion joint. Midwest, Feedback via Email Although for residential home use, the type of expansion joint youll most likely be using is in the slab. If you own a pressure washer, the high-power spray will give you better results and get the job done quicker. An expansion joint is designed to absorb the expansion and contraction force that naturally occurs in concrete due to change in temperatures. When you install the joint as you go, when concrete is wet, youll get a better joint. Used in residential, commercial, and institutional applications. Its called self-leveling because it is slightly runny and will level itself as opposed to gun-grade caulk which has a putty consistency and must be placed in the joint with a small trowel or putty knife. "@type": "ImageObject", Submersealis manufactured in straight-run sticks which can be joined in the field to EMSEALs patent-pending Custom-90 transitions. If there were no expansion joint, the edges of the swimming pool would crack as well as damage the coping and tiles. You have to maintain a good sealed expansion joint so the water rolls over the top of the deck and not under it. Buy the size that is slightly larger than the widest part of your joint. A concrete slab will grow laterally, as the weather gets warmer. Invalid Email Address Ron, no joints? Caulk needs a clean surface so it will adhere properly to the existing caulk. I like to keep a large piece of cardboard on the deck with me, which Imove along with the caulking, as I proceed down the edge of the pool. Lowest price in 30 days. Sikacryl PowerSet Gap Filler. When a pool is initially constructed the joints are usually filled with bitumen or Joints also help keep concrete strong while the soil around it settles. Once finished, the caulk will take about 24 hours to dry. Concrete Expansion Joint Filler Driveway Crack Filler Flexible EPDM Rubber Strip for Concrete Crack Repair Replacement Weather Aging Resistance Expansion Joint Upgrading (1'' Wide, 10 Ft Long) 3.9 3.9 out of 5 stars (17) Save 14%. It's not worth the skimp in the big picture. Expansion joints, or isolation joints, are used between two different concrete pours, or where concrete meets with another material or even a structure. Expansion/contraction of the pool coping structure. "url": "https://blog.intheswim.com/" Just like bathroom caulk, you snip the tip and drop the caulk tube into a caulking gun. Fred, no worries if there is not a concrete sub-deck. grind the top 1/4 of both sides, to remove dirt and oils that will affect the bond with the new caulk. You are limited to precast coping after the liner is installed. DECK-O-FOAM expansion joint filler is a flexible, lightweight, non-staining, polyethylene, closed-cell expansion joint filler. For larger areas, the movement joints will be visible. "thumbnailUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide", Expansion joints are filled with a flexible material that runs along and inside the gap between slabs and other concrete structures. The expansion joint needs to be the entire thickness of the deck. I prefer cutting them deeper just to be on the safe side. "address": "", The silicone coating is compliant to NSF/ANSI Standard 61; NSF Standard 51; FDA Regulation CFR 177.2600; MIL-A-46146. The TCNA Handbook recommends allowing for expansion and contraction in every tile installation. Pool Inspected for Damage from Firewas it really from the Fire? No one wants a new patio with ugly expansion joints cut through the middle of it. MY questions Push the backer rod down into the joint with your hand. It allows the concrete to move when it expands and contracts due to temperature changes. "identifier": "" That gives you a joint every 8 to 12 feet. "author": { Make sure to have your lines snapped before you begin cutting. Note: Remove X-Hatched Areas of. This includes embedded pins, anchors, screws, bolts or tracks, trays or rails. I have a feeling you already know that and are asking something else. Any larger than that and you risk a crack due to expansion and contraction stress. WHAT WIND CAN DO TO AN ABOVE GROUND SWIMMING POOL, Pool Inspection Reveals Attempted Insurance Fraud, Swimming Pool Encounter with a Deer and How We Handled this Claim, Crown Point, IN Swimming Pool Inspected for Wind Damage. Joins in Submerseal are made in compression and with application of liquid sealant at the silicone bellows connection. Besides retaining wa-t e r, some joints must also accom-modate at least some movement in the concre t e . Under extreme cases the bond beam can develop cracks leading to failure of the beam and allow the entry of water and root systems from nearby landscape causing further damage. ACI members have itthey are engaged, informed, and stay up to date by taking advantage of benefits that ACI membership provides them. Farmington Hills, MI Its recommended to have concrete joints along column lines. It is a chemical-resistant, ultraviolet stable, non-absorbent, low density, cost-effective, compressible foam that offers an extended service life in both interior and exterior applications. Swimming Pool Inspection Services was recently called on to provide an estimate for cost to repair a large crack in the decking of an inground swimming pool. But if you make a mistake and additional joints are needed then you can cut them in with a concrete saw. Its important that you purchase the recommended caulk and not use generic household caulk as not all caulks are waterproof. Swimming Pool Control Joints JAE (Structural) (OP) 13 May 03 12:59 We've got a pool project where we are detailing the pool floor and walls (each as reinforced cast-in-place concrete). So.I have a gunite pool. The decking is also used as the coping which is placed in one continuous pour to create a seamless looking deck. (Caulk is more expensive than backer foam.). For grass/flower bed, no joint/no caulk needed. Thank you for helping keep Eng-Tips Forums free from inappropriate posts.The Eng-Tips staff will check this out and take appropriate action. Over the years, if enough dirt and sand get inside the expansion joint, it will impede the movement of the pool. You can see the expansion joints pretty much anywhere concrete is used on the ground. Select a new point . Maximum Joint Spacing should be 24 to 36 times the thickness of the slab. The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. 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