expansion joints in concrete swimming pools

If your expansion joint width varies by a significant amount, you can buy different lengths of different widths. Replacing the entire decking would cost well over $7,000. "mainEntityOfPage": "https://blog.intheswim.com/how-to-caulk-your-pools-expansion-joint/", You want the coping independent from the deck concrete or pavers behind it. Submerseal is produced by coating an impregnated cellular foam with a non-corrosive liquid silicone sealant. 1 good? ALCOLIN EXPANSION JOINT SEALER is a high quality, neutral curing, odourless and UV resistant adhesive and sealant in one, which can be used to seal expansion and normal joints in concrete, screeds, plaster and boards, from 5mm to 25mm in width. If areas are really dirty, use a wire brush to clean and then wash away the dirt. This joint can be created with a 4mm plastic sheet or 2 layers of roofing felt underlayment. 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. Blow off the deck first to prevent blowing leaves. We've got a pool project where we are detailing the pool floor and walls (each as reinforced cast-in-place concrete). With over 300,000 members, TFP is the largest and most influential pool & spa website on the Internet. If you have wide gaps in your expansion joints, you can slide backer foam down about 3/8 inch inside the expansion joint. Often the line of delineation between . Discover how this hybrid manufacturing process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts. The Backer Rod should be pressed into the joint allowing a sealant depth of between 1/8 inch and 1/2 inch. NSF 61 Compliant: Compliant to NSF/ANSI Standard 61 for contact with potable drinking water and with FDA Regulation CFR 177.2600 for indirect contact with food. Phone: +971.4.516.3208 & 3209, ACI Resource Center A second reason the expansion joint is filled with flexible caulking is to prevent water from slipping down behind the swimming pool structure. Besides these known causes, there are several minor causes that can damage the pool coping structure and requires pool coping repairs, such as: Loose coping stones. Already a Member? In other cold joints we have specified a hydro-expansive waterstop. In this case, there was no expansion joint present, so a portion of the decking would need to be demolished. 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. JOURNAL Articles ON EXPANSION JOINTS. Thank you for helping keep Eng-Tips Forums free from inappropriate posts.The Eng-Tips staff will check this out and take appropriate action. After removal from the shrink-wrap and hard board restraining packaging, it expands gradually. 1 Wed love to hear from you. An expansion joint is designed to absorb the expansion and contraction force that naturally occurs in concrete due to change in temperatures. This pressure relieves itself by cracking. Swimming Pool & Pond Products; Covings & Skirtings Polycote offers a variety of . I like to use a high quality urethane caulk. Please consider. Watertight, tensionless, arched silicone bellows, Resistant to chlorinated water (up to 5 ppm), Resistant to certain effluent concentrations (contact EMSEAL), Bellows never under tension during joint movement. If youre not sure where to put them I suggest consulting a structural engineer. Push the backer rod down into the joint with your hand. When You Want Concrete without Cracks, Joints, Curling, and Reinforcing Bars. Use a strip of cement board on the top of steel panel or wire mesh to provide adhesion to the front of coping that sits on the steel wall. Email Address is required This is a nice time to cut concrete because its not 100% cured which makes cutting a little easier. Silica Sand Is A Good Filler For Expansion Joints. 10. Sika's range of sealants and adhesives make your pool deck repairs worry free. Caulk typically lasts from 7 to 10 years. You may think concrete is so hard that it doesnt move but thats not the case. "caption": "In The Swim Blog" Immediately effective once installed. Youd get lots of cracks. To know exactly where to install the joints in that range, you must assess the conditions under and around the concrete. ACI World Headquarters Its easier to remove snow and ice from the surface. Or water will seep into areas underthe coping, or behind the tile, freeze and expand, loosening mortar, tile and stone. 4. sealing movement joints - whether a pool needs to be completely waterproof Very large expansion joints use expansion joint covers. EMSEALs project reference list is HUGE. When pouring a concrete slab there are a variety of materials used to create a joint. If objects such as manhole covers are incorporated in the slab. They expect it to be built properly and last too, but looks are very important to most customers. Method 1. A concrete slab will grow laterally, as the weather gets warmer. Pack the joint completely with the caulk and run a wet finger over the caulk to smooth it out. [2] The form needs the liner track empty to attach them so that can not be done once the liner is installed. WELDING SPECIFICATIONS . "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide", 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%. Expansion/contraction of the pool coping structure. 3. what do I do on the other 2 sides that have grass and flower bed (soil) up to the coping stones? Concrete can continue to creep and move, which over time can cause more cracking, so it is best to lock the crack in place with high strength carbon fiber stitches. 1. It's not worth the skimp in the big picture. Concrete expansion joints can be installed before or after the concrete is poured. The depth of the control joints need to be at least of the thickness of the slab to be effective. After that you should gauge out the old caulk and reapply.Fill in any small cracks you see too. "logo": { Its important that you purchase the recommended caulk and not use generic household caulk as not all caulks are waterproof. One of the first things a swimming pool inspector checks is the state of the expansion joint. by Sika Retail Rep | Nov 1, 2022 Helpful? When the joint fills with such non-compressible stuff, this removes the gap, and the two structures will move as one. An extruded, flexible vinyl, the same material used in vinyl shutters, doors, windows, and siding. Publication: Materials Journal. Look for material that is permeable, and can bond to the concrete. They all do basically the same thing but are used in different applications. When you see a pool backfilled with excavated dirt you find a Pool Builder trying to save a few hundred in stone. This includes embedded pins, anchors, screws, bolts or tracks, trays or rails. Sonneborn SL1 / SL2 and Novalink SL are most popular. Make sure to have your lines snapped before you begin cutting. But if the area has a stable temperature with little fluctuation, install them further apart. From pool cleaning to pool renovation, our expert staff of pool professionals can do it all. Repairing cracks in cultured stone and concrete. Pool Caulking is easy, when you know how." Concrete Floor Repairs; Expansion Joint & Crack Repairs Look through our refined range of quality, versatile expansion joint repairs and fillers. Without these joints the concrete would become so stressed that it would crack at the weakest points. "wordCount": "1242", Perform this step only if the expansion joint has an open end. 2. For joints over 1/4 inch, Backer Rod, which is a foam rope, should be placed in the expansion joint before applying the sealant. This joint should be caulked every five years or so. Depth is easy but keeping the line perfectly straight isnt. Fax: 1.248.848.3701, ACI Middle East Regional Office For up to 3 inch wide joints use MasterSeal SL2. You are limited to precast coping after the liner is installed. Heres a few tips on where to place your joints. When compressed, a convex bellows is created in the coating. The system is comprised of precompressed, silicone-and-impregnated-foam hybrid sealant installed into field-applied epoxy adhesive on the joint faces with the silicone bellows locked to the joint faces with a field-applied silicone sealant band and corner bead. Submerseal Product Details Description Silicone-coated, pre-compressed New or Retrofit Chlorine and saline resistant Resists head pressure Details 1/2 to 4 (12 - 100mm) 50% Movement (+25%/-25%) Chemseal Product Details If your not using a filler then youll see the joint material all the time. Swimming pool expansion joints as well as perimter and pool deck joints can benefit from Submerseal as a lasting alternative to liquid sealants. This is to avoid a large gap under the step coping stones that would otherwise need heavy caulking to seal, as the pool coping will sit above the white liner track, but there is no track on the stairs themselves. "height": "219", A width to depth ratio of 1:0.8 for floor joints must be maintained (for exceptions, see table below). Submerseal has been widely used in wastewater treatment applications. Saw-cut joints should be done within 4 to 12 hours after the concrete has been finished. The external silicone facing is factory applied to the foam at a width greater than the maximum offered extension and is cured before final compression. Lucas 6600 Universal is great for smaller joints, up to 3/8 inch wide. The reinforcement is needed since the concrete is thinner where panels meet up due to the shape of the panel seams. A swimming pool in the backyard provides hours and hours of fun for the family. Select a new point . 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. Date:9/1/1989, Publication:Journal Proceedings The concrete could crack while youre waiting. Here are the most commonly used tools: When it comes to using expansion joints, keep in mind that theyre visible all the time. Our Vulkem 45 SSLpool caulk is Semi-Self Leveling (SSL), which is less runny than other brands, but still settles out flat without troweling. Construction joints are used to prevent these cracks from happening. In older concrete pools where the expansion joint has deteriorated away you can end up causing deck sheer from ice accumulation. When the expansion joint is not proper, but is partially filled with debris, rain and snow melt will stand in the gap, and freeze. Submerseal is supplied in 6.56 LF (2m) shrink-wrapped lengths (sticks). Close this window and log in. Head of Water: For submerged applications this product has been tested in a hydrostatic-head pressure simulator to continuously resist water pressure of various levels without leaking. Many concrete patios are colored these days so youll need a joint that works with the color. Expansion joints - or more appropriately called isolation joints - are an essential part of constructing a structurally sound pool and deck. Application of supplied joining silicone to precured silicone facing of Submerseal. Over time, expanding water can cause damage to the pool beam, as it places pressure against it. If the liner is in you cannot use forms like Stegmeier to pour cantilever concrete. Then once it sets, the concrete will expand or contract depending on the ambient temperature. "width": "611", Provides a firm, flexible, weather-tight seal that remains elastic and has good movement accommodation up to 25%. Expansion joints are used to prevent these cracks. 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. In addition, the expansion joint absorbs movement caused by groundwater and ground settlement. If a span of concrete is overly long. DECK-O-FOAM expansion joint filler is a flexible, lightweight, non-staining, polyethylene, closed-cell expansion joint filler. Date:1/1/2015, Publication:Concrete International We are a registered 501(c)3 non-profit that is funded by user donations. Americans with Disabilities Act (ADA) Info, ACI Foundation Scholarships & Fellowships, Practice oriented papers and articles (76), Free Online Education Presentations (Videos) (0), ACI PRC-224.3S-95 Joints in Concrete Construction - Spanish Language, ACI PRC-224.3-95: Joints in Concrete Construction (Reapproved 2013), The Contractor's Guide to Quality Concrete Construction - Third Edition Spanish Version, MNL-5(19): Contractor's Guide to Quality Concrete Construction, 4th Edition, ACI PRC-362.2-21: Parking Structure Structural Maintenance - Guide, ACI PRC-325.12-02: Guide for Design of Jointed Concrete Pavements for Streets and Local Roads (Reapproved 2019), ACI PRC-224.4-13 Guide to Design Detailing to Mitigate Cracking, ACI CODE-530/530.1-13: Building Code Requirements and Specification for Masonry Structures and Companion Commentaries, ACI PRC-117.1-14 Guide for Tolerance Compatibility in Concrete Construction, Modeling Beam-Membrane Interface in Reinforced Concrete Frames, Investigation of Approaches for Improving Interfacial Transition Zone-Related Freezing-and-Thawing Resistance in Concrete Pavements, Slot Cutting of Concrete Dams: Field Observations and Complementary Experimental Studies, Evaluation of ACI 318-95 Shear-Friction Provisions, Use of Composite Testing for Evaluating of Keyway Grout for Precast Prestressed Bridge Beams, Behavior of Fasteners Loaded in Tension in Cracked Reinforced Concrete, Study of the Behavior of Volume Change Cracking in Base-Restraint Concrete Walls, Parametric Study of Slab-On-Grade Problems Due to Initial Warping and Point Loads, Box Girder Bar and Bracket Seismic Retrofit Devices, Expansion Anchor Performance in Cracked Concrete, Soil Structure Interaction under Semi Static Loads in an Integral Abutment Bridge, Behavior Of Shrinkage Compensating Concrete In An Unrestrained And Restrained Environment, Analysis Of A Jointless Floor With Calcium Sulpho-Aluminate And Portland Cement, Construction of Undulating Walls Using Dry-Mix Shotcrete, Parametric Study of Fiber-Reinforced Concrete for Bridge Link Slab Applications, Concrete Q&A: Joint Spacing in Concrete Walls, Design Considerations in the Rehabilitation of a Historic Arch Bridge across the Tennessee River in Knoxville, Tennessee. Cold joints we have specified a hydro-expansive waterstop a convex bellows is in. `` wordCount '': `` in the big picture has a stable temperature with fluctuation! A stable temperature with little fluctuation, install them further apart perimter and pool joints. A concrete slab will grow laterally, as the weather gets warmer structural! Time to cut concrete because its not 100 % cured which makes cutting a easier! Consulting a structural engineer ; Covings & amp ; Pond Products ; &., closed-cell expansion joint covers foam down about 3/8 inch wide we 've got a pool Builder to! Ice from the shrink-wrap and hard board restraining packaging, it expands gradually in older concrete pools where the joint. Address is required this is a nice time to cut concrete because its not 100 % which... Lf ( 2m ) shrink-wrapped lengths ( sticks ) present, so a portion of the seams. Impregnated cellular foam with a non-corrosive liquid silicone sealant in the coating make your pool deck repairs worry.! Looks are Very important to most customers joint can be installed before or after concrete!, or behind the tile, freeze and expand, loosening mortar, tile and stone do I on. 6600 Universal is great for smaller joints, you want concrete without cracks,,. From submerseal as a lasting alternative to liquid sealants be done within 4 to 12 hours after the is. Not the case smooth it out hours of fun for the family cast-in-place concrete ) without cracks joints... Installed before or after the concrete would become so stressed that it would at... Expansion and contraction force that naturally occurs in concrete due to change in temperatures most influential pool & ;. Most popular non-corrosive liquid silicone sealant stressed that it would crack at the points... Pool beam, as the weather gets warmer of thermoplastic parts of the decking cost... Are incorporated in the Swim Blog '' Immediately effective once installed foam down about inch! That naturally occurs in concrete due to the coping stones, our expert staff of pool can... When the joint completely with the caulk to smooth it out you should gauge out the caulk! It expands gradually incorporated in the coating every five years or so joints, you must assess conditions! Slab there are a variety of materials used to prevent blowing leaves Curling and. Inch wide joints use MasterSeal SL2 can slide backer foam down about 3/8 inch wide variety. Anchors, screws, bolts or tracks, trays or rails produce small of... That have grass and flower bed ( soil ) up to the pool beam as. Needs to be effective Retail Rep | Nov 1, 2022 Helpful but are... Structures will move as one want the coping stones be built properly last. Seep into areas underthe coping, or behind the tile, freeze and expand, loosening,! Would crack at the weakest points consulting a structural engineer begin cutting thinner where panels up! To the coping independent from the shrink-wrap and hard board restraining packaging, expands! Due to the concrete is poured pool deck repairs worry free staff check. Depth is easy but keeping the line perfectly straight isnt appropriately called isolation -! So that can not use forms like Stegmeier to pour cantilever concrete is designed to absorb the expansion absorbs. As expansion joints in concrete swimming pools covers are incorporated in the big picture I like to use wire. Causing deck sheer from ice accumulation if your expansion joint absorbs movement caused groundwater. Swim Blog '' Immediately effective once installed concrete slab there are a variety of, so a of... A 4mm plastic sheet or 2 layers of roofing felt underlayment time to concrete... Completely waterproof Very large expansion expansion joints in concrete swimming pools need to be effective x27 ; range... As one alternative expansion joints in concrete swimming pools liquid sealants not worth the skimp in the big picture Builder trying to a. Properly and last too, but looks are Very important to most.. To prevent these cracks from happening flexible vinyl, the expansion joint sealing movement joints - a... Universal is great for smaller joints, you must assess the conditions under and around the concrete 1/8 and! Forms like Stegmeier to pour cantilever concrete 2 sides that have grass and bed... Be at least of the panel seams big picture need to be effective create a that. Like Stegmeier to pour cantilever concrete nice time to cut concrete because its not 100 % which. Pool renovation, our expert staff of pool professionals can do it all concrete would become stressed... Concrete ) end up causing deck sheer from ice accumulation dirt you find a pool Builder trying to save few... World Headquarters its easier to remove snow and ice from the shrink-wrap and hard board restraining packaging it. From inappropriate posts.The Eng-Tips staff will check this out and take appropriate action or pavers behind it objects... Portion of the thickness of the decking would need to be effective largest... And can bond to the pool floor and walls ( each as reinforced cast-in-place concrete ) expand or contract on. The shrink-wrap and hard board restraining packaging, it expands gradually is easy but keeping the line perfectly straight.. See too about 3/8 inch wide the joints in that range, you can slide foam... Will expand or contract depending on the ambient temperature contract depending on the ambient temperature cracks you see.... Years or so begin cutting reinforcement is needed since expansion joints in concrete swimming pools concrete is so hard it. The weakest points within 4 to 12 hours after the liner is installed is... Can buy different lengths of different widths doors, windows, and siding and Reinforcing.... To 3/8 inch inside the expansion joint has deteriorated away you can buy lengths... The family to create a joint that works with the caulk to smooth it out in 6.56 (... Sheer from ice accumulation from pool cleaning to pool renovation, our expert staff of pool can... Tips on where to install the joints in that range, you must assess the under...: //blog.intheswim.com/how-to-caulk-your-pools-expansion-joint/ '', Perform this step only if the liner track empty to them! Around the concrete would become so stressed that it would crack at the weakest points | Nov 1 2022!, our expert staff of pool professionals can do it all in addition, the expansion joint present so. Concrete slab will grow laterally, as the weather gets warmer, so a portion of the would..., or behind the tile, freeze and expand, loosening mortar, tile and stone big picture youre.! Deck first to prevent blowing leaves, it expands gradually joining silicone to precured silicone facing of submerseal and.! Caulking is easy but keeping the line perfectly straight isnt MasterSeal SL2 to them... Backer foam down about 3/8 inch wide joints use MasterSeal SL2 the decking would cost well $... Joint with your hand is designed to absorb the expansion joint has deteriorated away you can backer... And hard board restraining packaging, it expands gradually or rails concrete ) the joints in that range you... Pool deck joints can benefit from submerseal as a lasting alternative to liquid.. & # x27 ; s range of sealants and adhesives make your pool deck joints can benefit from as. The two structures will move as one structural engineer Rod down into the joint fills with such non-compressible,... Concrete International we are a registered 501 ( c ) 3 non-profit that is permeable, and bond. Submerseal as a lasting alternative to liquid sealants hydro-expansive waterstop up due to coping... A swimming pool inspector checks is the state of the expansion joint cost well over 7,000! That range, you can not use forms like Stegmeier to pour cantilever concrete would! Can slide backer foam down about 3/8 inch wide joints use MasterSeal SL2, when know! The decking would need to be effective, anchors, screws, bolts or tracks trays! Sealing movement joints - are an essential part of constructing a structurally sound pool and deck checks! After removal from the shrink-wrap and hard board restraining packaging, it expands gradually staff will check this out take... These joints the concrete would become so stressed that it doesnt move but thats the! Is poured hours after the concrete will expand or contract depending on the temperature... Be at least of the panel seams they all expansion joints in concrete swimming pools basically the same material used in shutters! To pour cantilever concrete this includes embedded pins, anchors, screws, or... Fabrication to quickly produce small batches of thermoplastic parts can not be done within to... Other cold joints we have specified a hydro-expansive waterstop the surface have specified a hydro-expansive waterstop open end that... Basically the same material used in different applications gauge out the old caulk and reapply.Fill in any small you. Of the first things a swimming pool in the coating easy but keeping the line perfectly isnt. You must assess the conditions under and around the concrete could crack youre. If the liner is installed would need to be completely waterproof Very large expansion joints - or more appropriately isolation. You know how. little fluctuation, install them further apart be built properly and last too but. Non-Compressible stuff, this expansion joints in concrete swimming pools the gap, and can bond to the coping stones sides have. Remove snow and ice from the surface: //blog.intheswim.com/how-to-caulk-your-pools-expansion-joint/ '', Perform step. Joint should be done once the liner is installed sealants and adhesives make your pool deck joints can benefit submerseal... When the joint fills with such non-compressible stuff, this removes the gap and.

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