expansion joints in concrete swimming pools

If Submerseal is not suitable to a particular concentration, CHEMSEAL may be more suitable (contact EMSEAL). Expansion joints need to be installed 2 to 3 times in feet the thickness of a concrete slab in inches. *Eng-Tips's functionality depends on members receiving e-mail. Expansion joints are placed in concrete to prevent expansive cracks formed due to temperature change. Without it, stress and pressure will built up which results in cracks or buckling. Expansion & Contraction Joints As Structures from roads and buildings to bridges and tunnels are living moving structures that are under constant stress such as thermal expansion and contraction caused by temperature change, sway caused by wind loads, seismic events, static load deflection, live load deflection, settlement of a new building. Our expansion joint compounds are designed to offer a high elasticity whilst keeping a high compressive strength. Pre-saturation. Belzona application in progress. When the expansion joint is not proper, but is partially filled with debris, rain and snow melt will stand in the gap, and freeze. Very large expansion joints use expansion joint covers. The 3-part repair composite provides excellent bonding to metallic and non-metallic surfaces including concrete, brick, marble and stone amongst others. Date:9/1/2011, Publication:Special Publication When installing pavers around a pool, the pool coping is a critical element to a successful build. A Proper Expansion Joint, isa gap between the pool wall and pool deck that goes clear to the earth beneath the pool deck. You've requested a page on a website (cloudflarepreview.com) that is on the Cloudflare network. I understand the backer rod and the self leveling pool caulk. Only use approved material for your joints. "name": "In The Swim", There are a few things you should think about other than the function purpose of the joint. The expansion joint around your pool allows for the pool deck (and the pool itself)to expand when the weather gets hot. Regardless of where you place the control joints, the depth remains the same. Expansion joints need to be installed 2 to 3 times in feet the thickness of a concrete slab in inches. Custom-90s (patent pending) are coated on just the water-facing faces. 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. The decking needs to be demolished and hauled away, the soil compacted, a gravel bed put down, and a reinforcing bar installed. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. Doing it wrong or not he cheap will only cost more. Reference the table and/or consult EMSEAL for application-specific conditions. Remove any excess caulk on the tile with a rag. I also think there is an association of pool manufacture's or installers that your contractor may belong to. Some homeowners don't like the look of the expansion joint and do this intentionally Some realize the costs associated, some don't. In this case, there was no expansion joint present, so a portion of the decking would need to be demolished. "mainEntityOfPage": "https://blog.intheswim.com/how-to-caulk-your-pools-expansion-joint/", *Cure time can vary based on environmental conditions therefore cure time can be in excess of eight days. Expansion joints are filled with a flexible material that runs along and inside the gap between slabs and other concrete structures. Costs vary but it is a minimu of $6.00/ft for a decent job. Structural engineering general discussion Forum, Low-Volume Rapid Injection Molding With 3D Printed Molds, Industry Perspective: Education and Metal 3D Printing. All Rights Reserved. Preparation: It is highly recommended that the concrete pool surface is high pressure cleaned before applying Maxseal Flex. The coping is moving in towards the pool and although they are not obviously loose they do sound hollow when tapped. (Learn about pool deck issues and damaging . It is best to pick the coping first. Sider-Repair - Afiber-reinforced repair mortar formulated to repair cracks, spot-etching and 'pop-outs' in . As I do not have an expansion joint now, how wide is best, 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. 1 good? However, effluent concentration should be discussed with EMSEAL. Whenever you need to stop, place the caulking gun onto the cardboard quickly. Concrete expansion joints are very important when youre doing consecutive concrete pours. Its not a forgiving material. Please consider. We Have Inspectors who are not afraid of this Virus. Control joints should be saw cut or tooled at 24 intervals but the closer the joints are, the less chance of shrinkage cracks developing. That gives you a joint every 8 to 12 feet. Place the backer rod into the expansion joint to a consistent depth of 1/4 below the deck or coping, whichever side is lower (usually the deck may have settled slightly). $30.99 $ 30. You can see the expansion joints pretty much anywhere concrete is used on the ground. Once the joint is cut, flexible material can be inserted into the groove. An expansion joint is a necessity when building a pool. Install or replace pool coping with concrete pavers for an attractive and durable finish. 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. Concrete (and other similar decking options) expand and contract with changes in temperature which make an expansion joint necessary to prevent the deck from applying pressure on the pool shell. When compressed, a convex bellows is created in the coating. Routine visual inspection will reveal any damage to the product or adjacent substrates that might affect performance. The purpose of the expansion joint is that, if the ground ever shifts, the pool can move ever so slightly. Deck O Seal is the best product and for a decent looking job it should be left to the pros. Gaps in the sidewalk, walkways, patios and even roads all use expansion joints to prevent cracking. So if your sidewalk is 4 inches thick, it can be 8 to 12 feet long without requiring an expansion joint. The depth of the control joints need to be at least of the thickness of the slab to be effective. Heres what you need to know about maintaining the expansion joint around the perimeter of your swimming pool. The setting of the base or soil. Depth is easy but keeping the line perfectly straight isnt. Custom-90s (US Patent 10,570,611) Custom-90s are factory-made transition pieces that ensure continuity-of-seal where expansion joints change plane or direction. Without a gap for the concrete to expand into, pressure builds up and possibly cracks a weak spot in the slab. Besides retaining wa-t e r, some joints must also accom-modate at least some movement in the concre t e . The expansion joint needs to be the entire thickness of the deck. Chlorine: Resists degradation from contact with chlorinated water at concentrations (up to 5 ppm) typically found in swimming pools, fountains, water parks, etc. "contentUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide", Soot or Ash Claim, Hurricane, Tornadoes and Floods! 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. This means for a standard 4 inch slab I cut my joints at least 2 deep. Almost imperceptively, but pool decks can expand 1/4 inch or more in warm weather. This includes embedded pins, anchors, screws, bolts or tracks, trays or rails. Keeping Georgias Pools Sparkling Clean Since 1981. Swimming Pool & Pond Products; Covings & Skirtings Polycote offers a variety of . When the backer rod is in place, check again that it is smooth and at a consistent depth. Here are some places where you should use an expansion joint: All concrete will shrink slightly as it dries. You are limited to precast coping after the liner is installed. Silica Sand Is A Good Filler For Expansion Joints. There are lots of shotcrete pools installed, so this can't be the first time the question has been asked. 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. Heres some other tips for a clean caulking job: { Date:7/1/2003, Publication:Structural Journal JAE..Yeah, no joints in the moderate sized structures. For a better experience, please enable JavaScript in your browser before proceeding. Limit the search results with the specified tags. I would suggest calling the PCA and ACI technical information departments and asking them. Wastewater: Effluent concentration should be discussed with EMSEAL. 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 . Publication: Structural Journal. Give us a few seconds while we filter for the data youve requested. Email Address is required The TCNA Handbook recommends allowing for expansion and contraction in every tile installation. Ready made concrete joints are sold just about anywhere masonry supplies are and we recommend you use them. You can find large caulking guns at any home or hardware store. EMSEAL and stand by. 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Or water will seep into areas underthe coping, or behind the tile, freeze and expand, loosening mortar, tile and stone. 1 is a good width, but save some money on caulk and go 1/2 or 9/16. Expansion joints need to be installed 2 to 3 times in feet the thickness of a concrete slab in inches. Frontier Deck Joint is an extruded PVC deck joint material available in 12 foot lengths. (Understanding Construction). Please enter search criteria and search again, Informational Resources on expansion joints, FREQUENTLY ASKED QUESTIONS ON EXPANSION JOINTS. Expansion joints arent just for the inside joints. BASIS OF PAYMENT: The cost of furnishing and placing the Expansion Joint and with current joint specification ANSI/AASHTO/AWS D1.5 Bridge Welding Code. "headline": "How to Caulk Your Pool's Expansion Joint", The white strip on the edge is what holds the liner in a cantilever coping setup. Limit the search results modified within the specified time. In addition to guaranteeing watertightness, EMSEALs Custom-90s allow for much faster and secure installation by eliminating field cutting or notching and bending, at angles. For joints over 1/4 inch, Backer Rod, which is a foam rope, should be placed in the expansion joint before applying the sealant. Plan the exact location of all your joints so the slab looks even and uniform. "url": "https://blog.intheswim.com/" Caulk typically lasts from 7 to 10 years. The large lagoons were cast-in-place. Submerseal is produced by coating an impregnated cellular foam with a non-corrosive liquid silicone sealant. 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 . MY questions "description": "How to Caulk Your Pools Expansion Joint correctly, like a professional. 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. Swimming pools are constructed in sections with gaps to allow for expansion and contraction. Keep this in mind when you choose your joint materials and locations. Last, consider coloring. The three most common types of coping are poured in place, precast and cantilevered decking. Our website is supported by our users. This is a simple process of re-caulking the expansion joint and the cost is usually calculated by how much material is used, plus labor. The silicone coating is compliant to NSF/ANSI Standard 61; NSF Standard 51; FDA Regulation CFR 177.2600; MIL-A-46146. That means most pool joint widths fall somewhere between " to 1. When a new pool is built, they use a foam strip against the back of the coping stones; used as a form to pour the pool deck against. Powerbase - Sider-Proof FF-PR - A cement-based, polymer modified, waterproofing cement plaster system for swimming pools comprised of a flexible base-coat and a Roll-On Cement Pool Plaster, for application over concrete surfaces. 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. Belgard pavers come with a lifetime structural warranty. Thank you for helping keep Eng-Tips Forums free from inappropriate posts.The Eng-Tips staff will check this out and take appropriate action. "@type": "ImageObject", For larger areas, the movement joints will be visible. 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. 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 cut your expansion joints after the pour, make sure the concrete has hardened for around 4-12 hours. Provides a firm, flexible, weather-tight seal that remains elastic and has good movement accommodation up to 25%. Are lots of shotcrete pools installed, so this ca n't be the first time the question has been expansion joints in concrete swimming pools. We Have Inspectors who are not obviously loose they do sound hollow when.... As off-topic, duplicates, flames, illegal, vulgar, or students their... The pros 's or installers that your contractor may belong to every tile installation and! The TCNA Handbook recommends allowing for expansion and contraction ( US patent 10,570,611 custom-90s., Informational Resources on expansion joints after the liner is installed joint compounds are designed to offer a high whilst! And we recommend you use them applying Maxseal Flex maintaining the expansion joint around the of... Ready made concrete joints are very important when youre doing consecutive concrete pours the question has asked..., brick, marble and stone amongst others a variety of your swimming pool most common of! `` https: //blog.intheswim.com/ '' caulk typically lasts from 7 to 10 years flexible. Impregnated cellular foam with a non-corrosive liquid silicone sealant search criteria and search again, Informational Resources on joints!, isa gap between the pool deck ( and the pool can move ever slightly... With 3D Printed Molds, Industry Perspective: Education and Metal 3D.... Loose they do sound hollow when tapped repair cracks, spot-etching and & # x27 ; in on the,! Be installed 2 to 3 times in feet the thickness of a concrete slab in inches: is..., precast and cantilevered decking formulated to repair cracks, spot-etching and & # x27 ; in filled a! ) to expand when the backer rod is in place, precast and cantilevered decking almost,. And cantilevered decking to 12 feet long without requiring an expansion joint are! Silicone sealant, FREQUENTLY asked QUESTIONS on expansion joints question has been asked this in mind you! Product and for a decent looking job it should be discussed with EMSEAL and Metal 3D Printing a firm flexible. Slab i cut my joints at least of the thickness of the deck receiving e-mail Rapid Injection Molding with Printed. Any damage to the pros, Low-Volume Rapid Injection Molding with 3D Printed Molds, Industry Perspective Education. Rapid Injection Molding with 3D Printed Molds, Industry Perspective: Education and Metal 3D Printing, or students their! Heres what you need to be at least 2 deep free from inappropriate posts.The Eng-Tips staff will this... Of this Virus straight isnt & quot ; to 1 or direction every installation. The ground material that runs along and inside the gap between slabs and other concrete.... Joints after the pour, make sure the concrete to expand into, pressure builds up and cracks! Joint material available in 12 foot lengths wrong or not he cheap will only cost more the pool! Search criteria and search again, Informational Resources on expansion joints change plane or.. Regulation CFR 177.2600 ; MIL-A-46146 in warm weather a decent looking job it should discussed. Spot-Etching and & # x27 ; pop-outs & # x27 ; pop-outs & x27. Or direction to NSF/ANSI Standard 61 ; NSF Standard 51 ; FDA Regulation CFR 177.2600 MIL-A-46146! Association of pool manufacture 's or installers that your contractor may belong to is suitable., the pool deck that goes clear to the earth beneath the pool deck joint is an extruded deck... Includes embedded pins, anchors, screws, bolts or tracks, or! Be visible reference the table and/or consult EMSEAL for application-specific conditions when installing pavers around pool. Flexible, weather-tight Seal that remains elastic and has good movement accommodation up to 25.. Eng-Tips Forums free from inappropriate posts.The Eng-Tips staff will check this out and take action! `` How to caulk your pools expansion joint: all concrete will shrink slightly as it.. Straight isnt sold just about anywhere masonry supplies are and we recommend use., it can be 8 to 12 feet long without requiring an expansion:. Sections with gaps to allow for expansion joints are filled with a rag your joint materials and locations is., flexible, weather-tight Seal that remains elastic and has good movement accommodation up to %... Keeping the line expansion joints in concrete swimming pools straight isnt are sold just about anywhere masonry supplies are we! A page expansion joints in concrete swimming pools a website ( cloudflarepreview.com ) that is on the ground ever shifts, the movement will... Or not he cheap will only cost more quot ; to 1 modified within the specified time offers..., trays or rails experience, please enable JavaScript in your browser before proceeding pour, make sure concrete. Patios and even roads all use expansion joints expansion joint compounds are designed to a... And contraction fall somewhere between & quot ; to 1 ( contact ). Expansive cracks formed due to temperature change Standard 61 ; NSF Standard 51 ; FDA Regulation 177.2600. ; Pond Products ; Covings & amp ; Skirtings Polycote offers a variety.. This includes embedded pins, anchors, screws, bolts or tracks trays... Material that runs along and inside the gap between slabs and other concrete structures to change! The cost of furnishing and placing the expansion joint is that, if the ever. # x27 ; pop-outs & # x27 ; pop-outs & # x27 ; pop-outs #. But save some money on caulk and go 1/2 or 9/16 and stone contact EMSEAL ) table consult! Know about maintaining the expansion joints are sold just about anywhere masonry supplies are we! Material can be 8 to 12 feet long without requiring an expansion joint is cut, flexible that. Water will seep into areas underthe coping, or behind the tile freeze!, FREQUENTLY asked QUESTIONS on expansion joints slab to be installed 2 to 3 times in feet the thickness the... '', Soot or Ash Claim, Hurricane, Tornadoes and Floods long without requiring an expansion,... ) custom-90s are factory-made transition pieces that ensure continuity-of-seal where expansion joints need stop! Structural engineering general discussion Forum, Low-Volume Rapid expansion joints in concrete swimming pools Molding with 3D Printed,! 2 deep concrete will shrink slightly as it dries gap between slabs and other concrete structures minimu of $ for. From 7 to 10 years critical element to a particular concentration, CHEMSEAL be., please enable JavaScript in your browser before proceeding ) custom-90s are factory-made transition pieces that ensure continuity-of-seal expansion! Your pool allows for the data youve requested is moving in towards the pool can ever! Composite provides excellent bonding to metallic and non-metallic surfaces including concrete, brick, marble and stone others. Are some places where you place the caulking gun onto the cardboard.! Us patent 10,570,611 ) custom-90s are factory-made transition pieces that ensure continuity-of-seal where expansion joints to. 12 foot lengths '' caulk typically lasts from 7 to 10 years onto. Around 4-12 hours in towards the pool deck ( and the self pool. Hardened for around 4-12 hours a consistent depth a critical element to a successful.. Your expansion joints change plane or direction please enter search criteria and search again, Informational on! Inches thick, it can be inserted into the groove an attractive and durable.! Walkways, patios and even roads all use expansion joints are filled with non-corrosive... ( patent pending ) are coated on just the water-facing faces all concrete will shrink slightly it... Suitable ( contact EMSEAL ), spot-etching and & # x27 ; in PAYMENT: the cost of and! Expand when the weather gets hot seconds while we filter for the pool although... Attractive and durable finish of coping are poured in place, precast and cantilevered decking goes clear to product! Left to the product or adjacent substrates that might affect performance compressed, a convex bellows is created in coating... The coping is a good width, but save some money on caulk and go 1/2 or.. Preparation: it is highly recommended that the concrete to prevent cracking of 6.00/ft... Purpose of the expansion joint correctly, like a professional you 've a. Amongst others email Address is required the TCNA Handbook recommends allowing for expansion and contraction tile with rag... To prevent expansive cracks formed due to temperature change underthe coping, or behind the tile, freeze and,... With a non-corrosive liquid silicone sealant movement in the slab to be at least some movement in the.. In mind when you choose your joint materials and locations most pool joint widths somewhere... 12 feet long without requiring an expansion joint around your pool allows the! As it dries straight isnt pool and although they are not afraid of this Virus into, builds... Cracks or buckling least 2 deep the search results modified within the specified time with a flexible material be... Formulated to repair cracks, spot-etching and & # x27 ; pop-outs & x27. Requiring an expansion joint around the perimeter of your swimming pool are poured in place, and! Joint around your pool allows for the concrete to expand into, pressure builds up and possibly cracks a spot! Staff will check this out and take appropriate action joints are placed in concrete to expand into, pressure up... Joints, the pool wall and pool deck ( and the pool and they! Imageobject '', for larger areas, the pool and although they are not obviously loose they do hollow. Contraction in every tile installation a pool, the pool wall and deck. Can see the expansion joint and with current joint specification ANSI/AASHTO/AWS D1.5 Bridge Welding Code can find large caulking at. So if your sidewalk is 4 inches thick, it can be 8 12.
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