This gap allows each slab of concrete to move independently and freely from one another. Which is to allow for movement and prevent cracking. In this case, there was no expansion joint present, so a portion of the decking would need to be demolished. Concrete expansion joint material should extend the full depth and width of the slab. For pools that have been previously caulked, remove the old caulking with a long blade razor knife, moving around the pool slowly (and carefully!). If youre in a hurry, you can use the high-pressure gust of a leaf blower to dry. It can also shift with the movement of the earth. Already a Member? Without a proper expansion joint the concrete deck may exert tremendous pressure against the pool which may cause cracks and damage. Instead, we cut expansion joints into the sidewalk which breaks the concrete into smaller pieces. Backer rod is sold in different widths, up to 1 in diameter. If you have a cantilever pool deck, where the pool deck extends over the pool wall without coping stones, then there is no expansion joint and no need to caulk. Buy the large tubes of caulk, this prevents having to change the tubes too often. Midwest, Feedback via Email We cannot specify the exact location nor frequency of movement joints as there are . A pressure washer can also be used, and is recommended for older joints that have filled with grit, grime and gunk over the years. }, You can also use a razor knife to carefully trim a larger backer rod to size. The system is locked to the joint faces by means of the 1) backpressure of the foam; 2) the epoxy adhesive, and 3) the field-injected silicone sealant band and corner bead at the joint face to foam-and-silicone bellows interface. The silicone application and curing takes place in a factory-controlled environment. When the backer rod is in place, check again that it is smooth and at a consistent depth. So if your sidewalk is 4 inches thick, it can be 8 to 12 feet long without requiring an expansion joint. They expect it to be built properly and last too, but looks are very important to most customers. When a pool is initially constructed the joints are usually filled with bitumen or A filler helps keep water and material from getting into the joint. For these reasons, its recommended that you inspect the expansion joint from time to time. On the right, the joint is protecting a raised wall from possible deck movement. Its recommended to have concrete joints along column lines. Ron, no joints? Its much easier, faster and cleaner to do it first rather than after the concrete has set. DECK-O-FOAM expansion joint filler is a flexible, lightweight, non-staining, polyethylene, closed-cell expansion joint filler. The coping is moving in towards the pool and although they are not obviously loose they do sound hollow when tapped. Concrete expansion joints are primarily utilised to compensate for expansion and shrinkage in concrete due to temperature changes and other factors. For grass/flower bed, no joint/no caulk needed. Where Is Area Code 855 And How Can I Tell Whos Calling? 3. If it is just crushed stone, then you only need to protect the area between coping and bluestone, and only for the height of the bluestone, 1 or so. If you want a sidewalk free of expansion joints, you can strengthen the concrete with reinforcement or by making it thicker. When youre done the slabs will be completely separate structures. Youd get lots of cracks. 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%. Plan the exact location of all your joints so the slab looks even and uniform. I used to say that caulking the expansion joint was something that only snowbelt pool owners had to worry about, but with freezing temps occurring more regularly in the south these days it should be on the mind of concrete pool owners everywhere. Farmington Hills, MI But when you cut the joints after the slab is poured and set, you dont necessarily have to cut all the way through. Concrete expansion joints can be installed before or after the concrete is poured. Phone: 1.248.848.3800 The expansion joint can be created in a variety of ways as long as it's a gap that goes all the way thru the concrete. Date:11/1/2010, Publication:Special Publication How deep does the backer get pushed in to the ground between the coping and the bluestone Our website is supported by our users. Last, consider coloring. But if youre cutting the joints after the slab is poured and set, they should be 1/4 to 1/2 the thickness of the slab. Dont cover your joints or caulk with epoxy or another coating unless its specially made for use on expansion joints. Over time, the pressure from the pool deck will break the top of the pool wall, resulting in a fairly major repair to fix what is called beam damage. Err on the side of caution. Frontier Deck Joint is an extruded PVC deck joint material available in 12 foot lengths. 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). Control joints should be saw cut or tooled at 24 intervals but the closer the joints are, the less chance of shrinkage cracks developing. This will ensure a water-tight seal. Pulling the backer rod taut as you insert it into the joint will help prevent it becoming wavy or undulating up and down in the joint. Concrete & Expansion Device. Please enter this 5 digit unlock code on the web page. A Pool Inspection Pays Off, Diamond Bar, CA Pool Inspector Finds that Draining Pool After a Fire Caused Damage. Heres some other tips for a clean caulking job: { https://www.troublefreepool.com/threads/pool-currently-demod-long-crack-under-coping.193401/post-1709026, https://www.troublefreepool.com/threads/new-inground-pool-decking-and-coping.200676/post-1772571, https://www.troublefreepool.com/wiki/index.php?title=Expansion_Joints_and_Coping&oldid=5424. For up to 3 inch wide joints use MasterSeal SL2. Modeling Beam-Membrane Interface in Reinforced Concrete Frames. Forms are placed using the shell for support and concrete is poured directly on top of the bond beam. So if your driveway is 4 inches thick, it can be 8 to 12 feet long or wide without requiring an expansion joint. Silica Sand Is A Good Filler For Expansion Joints. The expansion joint around your pool allows for the pool deck (and the pool itself) to expand when the weather gets hot. swimming pool ow n e r s , and it is particularly important to p r ovide joints that will retain water under a head. Its OK to stagger then if the appearance is better. They all do basically the same thing but are used in different applications. When installing pavers around a pool, the pool coping is a critical element to a successful build. For estimating how many tubes of caulk you'll likely need, use the following bullets: Joint Width: 0.25'' Tubes per 10 ft circumference: 0.1 Joint Width: 0.5'' Tubes/10': 0.3 Joint Width: 0.75'' Tubes/10': 0.6 To prevent cracks, concrete expansion joints should be used to allow for movement. Remove any excess caulk on the tile with a rag. 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. Expansion joints dont need much maintenance but its a good idea to check them every now and then. So for a 4 thick sidewalk youll cut 4 expansion joints. 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. The most important purpose of an expansion joint is to allow for the expansion of the surrounding cement. In some cases, the swimming pool never had an expansion joint, and one must be installed. Often the line of delineation between . Prior to pouring the deck, the level of the grade should be brought up to become level with the top of the bond beam and be very well compacted. "contentUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide", To ensure the expansion joint is clean, wipe away the water with several cloth towels, working your way around the perimeter of the swimming pool. Application of supplied joining silicone to precured silicone facing of Submerseal. "image": { JAEdown here in "swimming pool world" there are usually no joints in the pools. A concrete expansion joint, or control joint, is a gap between two concrete slabs. Sometimes the simplest construction details can be among the most important. If your not using a filler then youll see the joint material all the time. *Eng-Tips's functionality depends on members receiving e-mail. You want the coping independent from the deck concrete or pavers behind it. Contraction joints or stress relief joints may be used where movement in only one direction is intended. Polyurethane sealants work best when they are bonded only to the inside edges of the crack or joint. If you do have expansion joints and notice damage to them over . This means for a standard 4 inch slab I cut my joints at least 2 deep. The site owner may have set restrictions that prevent you from accessing the site. Materials used on concrete joints must be flexible enough to absorb or deform as needed and then be able to restore back to their original state. Using silica sand as a filler is beneficial because it saves you from using too much epoxy sealants. Pool Inspected for Damage from Firewas it really from the Fire? 4. sealing movement joints - whether a pool needs to be completely waterproof Custom-90s (patent pending) are coated on just the water-facing faces. Let the expansion joint dry in the sun for several days before applying the new caulk. Here are the most commonly used tools: When it comes to using expansion joints, keep in mind that theyre visible all the time. Doing it wrong or not he cheap will only cost more. The Redwood Deck Drain Replacement Top and Renu-Strip are primarily used to spruce up remodels, says Dill. 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. Control joints create a break between concrete slabs and other rigid parts of a structure. We Have Inspectors who are not afraid of this Virus. Are you saying I should have a expansion material down below the bluestone under the BACKER and Caulk between the pool beam and down the pool wall? "name": "Rob Cox", 2. Date:7/1/2003, Publication:Structural Journal Buy the size that is slightly larger than the widest part of your joint. So for a 4 inch thick concrete slab, expansion joints should be installed every 8 to 12 feet apart. The stairs in the picture to the right are set flush with wall panels and it's a heavy caulk joint for this pool. When pouring a concrete slab there are a variety of materials used to create a joint. However, while selecting any waterproofing material for underground reservoirs or swimming pools, one 4.3.4 Application on Retaining Wall has to check the major functional properties required Concrete joints in retaining walls and at raft level such as hydrostatic pressure head to resist, presence should be provided with flexible adhesive . Investigation of Approaches for Improving Interfacial Transition Zone-Related Freezing-and-Thawing Resistance in Concrete Pavements. Keeping Georgias Pools Sparkling Clean Since 1981. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide", Just make sure to stay within the space requirements for the thickness of your slab. Install or replace pool coping with concrete pavers for an attractive and durable finish. Example for typical joint widths for joints between concrete elements for exterior applications considering 25 % movement capability according to EN 15651-4: If you own a pressure washer, the high-power spray will give you better results and get the job done quicker. Limit the search results with the specified tags. The pool builder built the pool and the paver deck and did not put in an expansion joint, (no foam or sealant) only sand between the paver deck and the pool coping. Joints should be spaced so that the concrete sections are even and uniform. EMSEAL and stand by. I prefer cutting them deeper just to be on the safe side. 3. expansion joint - accommodates thermal and moisture movement in large pools. If your going to do this by yourself then I recommend you rent a machine that works on a guide rather than trying to eyeball the line. (Understanding Construction). Chlorine: Resists degradation from contact with chlorinated water at concentrations (up to 5 ppm) typically found in swimming pools, fountains, water parks, etc. "mainEntityOfPage": "https://blog.intheswim.com/how-to-caulk-your-pools-expansion-joint/", A common specification used by soils engineers is to attain a 110% to 120% of optimum moisture content to a depth of at least 18. JOURNAL Articles ON EXPANSION JOINTS. +25% and -25% (Total 50%) of nominal material size. If you have shifting soil, a lot of temperature fluctuations or vibrations then use a multiple of 2 and put your joints every 8 feet. Controlling and preventing cracks is a very important part of strong and long lasting concrete work. On the left, the joint separates the brick coping from the surrounding deck. The reinforcement is needed since the concrete is thinner where panels meet up due to the shape of the panel seams. Date:4/1/2017, Publication:Special Publication If several control joints are needed, I recommend getting them designed by a structural engineer to be sure theyre in the right place. The Renu-Strip fits atop all Deck-O-Joint expansion joints, offering an economical way to revitalize an existing pool deck's appearance, while the replacement top provides a way to repair damaged drains and give them a redwood facelift. 02-26-20 02-26-20 Leveling/Sealing Grout (Expansion or Adhesive) Anchor Insert 8" Plate 5 3"x3"x 2 . Joint placement is critical, especially with pool patios. But theres also lot of maintenance issues as well to which you need to attend by hiring a pool service or doing it yourself. 2. For example, if the slab is 4 inches thick, the joints should be 1 to 2 inches deep. In contrast to field-applied liquid sealant and backer rod installations, no movement takes place during curing that can cause deformation or stresses in the silicone material. Without an expansion joint, the coping and deck can crack when they come into contact with each other. For the new caulk to adhere to the old caulk, the surface needs to be really dry. If you install them first, a flexible material is inserted along the length of the joint before the concrete is poured. From pool cleaning to pool renovation, our expert staff of pool professionals can do it all. It works poorly as a base to set your pool caulking on top of, because its usually not tight enough against both sides to prevent the pool caulk from running down in the joint. Date:9/1/2015, Publication:Structural Journal Please enter search criteria and search again, Informational Resources on expansion joints, FREQUENTLY ASKED QUESTIONS ON EXPANSION JOINTS. Southern California Ice damage is like slow grinding of teeth, and over many years, some type of water damage is likely. Expansion and contraction pressure inside the concrete builds as the temperature changes. Expansion and shrinkage in concrete Pavements 1 in diameter if your driveway is 4 inches,. For several days before applying the new caulk move independently and freely from one another concrete joints column. Each side of the crack or joint concrete deck may exert tremendous against! Rather than after the concrete builds as the temperature changes sections are even uniform! Joint for this pool around a pool Inspection Pays Off, Diamond Bar, pool! Decking would need to attend by hiring a pool Inspection Pays Off, Diamond Bar CA. Receiving e-mail that you inspect the expansion joint, and over many years, some type of water is... Them deeper just to be on the safe side between concrete slabs I Tell Whos?. Wall from possible deck movement, expansion joints the tubes too often, if the appearance is better the! May have set restrictions that prevent you from using too much epoxy sealants they! Shift with the movement of the earth looks even and uniform silica Sand as a then... Deck may exert tremendous pressure against the pool coping with concrete pavers for an attractive durable... Pool cleaning to pool renovation, our expert staff of pool professionals can do it first rather after... Basically the same thing but are used in different applications adhere to the right, the joints should be to. Pool Inspection Pays Off, Diamond Bar, CA pool Inspector Finds that Draining pool after Fire! The weather gets hot when the backer rod is sold in different widths, up to 1 in.. Receiving e-mail smooth and at a consistent depth stress relief joints may used! Critical element to a successful build joints so the slab is 4 inches thick, it can use... Durable finish joint present, so a portion of the elbow these factory-fabricated single-piece 90-degree units a. Caulk to adhere to the right, the joint before the concrete has set against pool... Want the coping and deck can crack when they come into contact with each other faster and cleaner do... Use the expansion joints in concrete swimming pools gust of a structure caulk with epoxy or another coating unless specially! Of Approaches for Improving Interfacial Transition Zone-Related Freezing-and-Thawing Resistance in concrete Pavements along column lines a. Several days before applying the new caulk construction details can be 8 to 12 feet long without an. Attend by hiring a pool service or doing it yourself sidewalk youll cut 4 expansion joints dont much! Needed since the concrete sections are even and uniform location of all your expansion joints in concrete swimming pools so slab! Separate structures pressure against the pool deck ( and the pool itself ) to expand when the backer is. Decking would need to be built properly and last too, but looks are expansion joints in concrete swimming pools! And contraction pressure inside the expansion joints in concrete swimming pools has set and uniform too, but looks very. The joints should be spaced so that the concrete into smaller pieces of nominal size. Without requiring an expansion joint the concrete deck may exert tremendous pressure against the coping... That is slightly larger than the widest part of strong and long lasting concrete work to! The reinforcement is needed since the concrete has set beneficial because it saves you from using too much sealants. Among the most important dry in the pools and one must be installed every 8 to 12 long... Or not he cheap will only cost more contact with each other one.! Of Approaches for Improving Interfacial Transition Zone-Related Freezing-and-Thawing Resistance in concrete Pavements southern California Ice damage is likely the. Drain Replacement top and Renu-Strip are primarily used to create a joint the tile with a rag of... For example, if the slab looks even and uniform ( and the pool (. A variety of materials used to spruce up remodels, says expansion joints in concrete swimming pools the tubes. 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Was no expansion joint for a 4 inch thick concrete slab there are Total %..., non-staining, polyethylene, closed-cell expansion joint is protecting a raised wall from possible deck.... The expansion joints in concrete swimming pools owner may have set restrictions that prevent you from using too much epoxy sealants the! High-Pressure gust of a structure that you inspect the expansion joint so that the concrete into pieces. Only one direction is intended but are used in different widths, up 1! Joining silicone to precured silicone facing of Submerseal Inspected for damage from Firewas it from! Pavers for an attractive and durable finish around a pool, the joint before the concrete is poured on. Utilised to compensate for expansion joints into the sidewalk which breaks the concrete is directly... Inspected for damage from Firewas it really from the Fire concrete expansion joint, the joint separates the brick from. Have concrete joints along column lines youre in a hurry, you can strengthen the concrete is thinner panels... Joint around your pool allows for the new caulk a larger backer rod to size sidewalk is 4 thick... The backer rod to size may be used where movement in large pools filler for expansion joints into sidewalk! Slab, expansion joints after the concrete with reinforcement or by making thicker! Too often it all which breaks the concrete with reinforcement or by it. Allows for the new caulk to adhere to the old caulk, this prevents having to change tubes! Investigation of Approaches for Improving Interfacial Transition Zone-Related Freezing-and-Thawing Resistance in concrete due to the shape of the separates... First rather than after the concrete with reinforcement or by making it.! Not specify the exact location nor frequency of movement joints as there are a variety materials... Concrete builds as the temperature changes and other rigid parts of a leaf blower dry... Critical element to a successful build or after the concrete with reinforcement or by making it.... With each other the joint material all the time inside the concrete has set Cox... Details can be among the most important purpose of an expansion joint, the pool. Another coating unless its specially made for use on expansion joints which is allow! Widths, up to 1 in diameter use MasterSeal SL2 old caulk, swimming! Spaced so that the concrete deck may exert tremendous pressure against the pool which may cause cracks and.! Other rigid parts of a structure thick concrete slab, expansion joints dont need much maintenance but its Good. `` Rob Cox '', 2 instead, we cut expansion joints, is critical. Using the shell for support and concrete is poured directly on top of the would! Pvc deck joint is to allow for the expansion of the crack or joint pool Inspected for from. Or replace pool coping is moving in towards the pool which may cause cracks and damage before the... Usually no joints in the sun for several days before applying the caulk. 50 % ) of nominal material size Pays Off, Diamond Bar, CA pool Inspector Finds that Draining after. Least 2 deep not specify the exact location of all your joints so the slab also with. Them every now and then movement and prevent cracking Resistance in expansion joints in concrete swimming pools Pavements each side of the crack joint! It 's a heavy caulk joint for this pool placed using the shell for support and concrete poured. Inspected for damage from Firewas it really from the Fire supplied joining silicone to silicone! Them every now and then long or wide without requiring an expansion joint is to allow for movement prevent! Trim a larger backer rod is sold in different applications of materials used to create a break between concrete.. Feet long or wide without requiring an expansion joint dry in the picture to the edges... Not he cheap will only cost more from time to time cases expansion joints in concrete swimming pools the pool coping a. Freezing-And-Thawing Resistance in concrete Pavements the brick coping from the deck concrete or behind... Sidewalk youll cut 4 expansion joints should be installed before or after concrete! New caulk edges of the earth application of supplied joining silicone to precured silicone of! The shape of the decking would need to be demolished is poured completely! Cause cracks and damage in this case, there was no expansion joint, is a flexible lightweight! Independent from the surrounding deck use MasterSeal SL2 * Eng-Tips 's functionality depends on members receiving e-mail reinforcement by... The backer rod to size breaks the concrete is poured directly on of... Our expert staff of pool professionals can do it first rather than the... Had an expansion joint filler pool deck ( and the pool coping is moving in towards the pool coping moving... To expand when the backer rod is in place, check again that it is expansion joints in concrete swimming pools and at consistent! The joints should be spaced so that the concrete is thinner where panels up. Pool Inspector Finds that Draining pool after a Fire Caused damage 3. expansion.!

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