With over 300,000 members, TFP is the largest and most influential pool & spa website on the Internet. If you have an inground concrete pool with coping stones, whether they be brick, flagstone or pre-cast stones, you will have an expansion joint behind the coping stones, to allow for expansion of the pool deck when the weather gets hot. 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. IMPORTANTCure Time After Installation: Submerseal cannot resist hydrostatic pressures or chemical concentrations stated unless a minimum of eight days* is allowed for the injected silicone sealant bands and corner beads to fully cure. Ideal for pool decks. Without an expansion joint, the coping and deck can crack when they come into contact with each other. *Cure time can vary based on environmental conditions therefore cure time can be in excess of eight days. How deep does the backer get pushed in to the ground between the coping and the bluestone Costs vary but it is a minimu of $6.00/ft for a decent job. The following tools are normally used to create concrete joints. Pool Inspection Reduces Chance in Liability Claim, HOW TO AVOID SWIMMING POOL and SPA DAMAGE IN THE COLDER MONTHS. Could you clarify? "logo": { }, Damaged concrete, tiling and grouting areas in swimming pool. Gaps in the sidewalk, walkways, patios and even roads all use expansion joints to prevent cracking. Sealing the joint with a flexible caulk after the work is done does a few good things. Structural engineering general discussion Forum, Low-Volume Rapid Injection Molding With 3D Printed Molds, Industry Perspective: Education and Metal 3D Printing. The coping likely came loose when the deck expanded and contracted at a faster rate than the pool shell. You have to maintain a good sealed expansion joint so the water rolls over the top of the deck and not under it. If a joint was there, it could have absorbed pressure and prevented the crack. I prefer cutting them deeper just to be on the safe side. Dont cover your joints or caulk with epoxy or another coating unless its specially made for use on expansion joints. "identifier": "" Besides retaining wa-t e r, some joints must also accom-modate at least some movement in the concre t e . Here are two classic examples of expansion joints. Sealing horizontal joints in concrete. A pressure washer can also be used, and is recommended for older joints that have filled with grit, grime and gunk over the years. This page was last edited on 2 June 2022, at 18:53. Submerseal has been widely used in wastewater treatment applications. Without an expansion joint, the coping and deck can crack when they come into contact with each other. A solvent-free material, this allows for no shrinkage, irrespective of the thickness applied. The setting of the base or soil. You've requested a page on a website (cloudflarepreview.com) that is on the Cloudflare network. 02-26-20 02-26-20 Leveling/Sealing Grout (Expansion or Adhesive) Anchor Insert 8" Plate 5 3"x3"x 2 . Fax: 1.248.848.3701, ACI Middle East Regional Office Blow off the deck first to prevent blowing leaves. The coping is moving in towards the pool and although they are not obviously loose they do sound hollow when tapped. 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. Belgard pavers come with a lifetime structural warranty. For example, a 100 ft. concrete sidewalk wouldnt be poured in one long slab. 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. The depth of the joint should be a minimum of 1/4 inch and a maximum of 1/2 inch below the concrete pads. If you did everything right, your caulking job should last approximately five years. (Learn about pool deck issues and damaging . The expansion joint is that 1-inch space between the perimeter coping (the decorative edge of the pool) and the cement pool deck. Properly sized and installed, Submerseal makes a lasting swimming pool joint seal. Often the line of delineation between . Date:1/1/2015, Publication:Concrete International Thanks. For grass/flower bed, no joint/no caulk needed. Reference the table and/or consult EMSEAL for application-specific conditions. 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. Yes, if a concrete slab is large enough to need expansion joints then theyre necessary to prevent cracks. Any larger than that and you risk a crack due to expansion and contraction stress. Concrete expands and contracts as it changes temperature. Over time, expanding water can cause damage to the pool beam, as it places pressure against it. You can recaulk the expansion joint yourself or hire a company providing pool services in Alpharetta. "height": "219", Concrete needs expansion joints because of expansion and contraction. In slabs, there are three types of joints: Isolation joints (also sometimes functioning as expansion joints) Construction joints (which can also function as contraction joints) An expansion joint is designed to absorb the expansion and contraction force that naturally occurs in concrete due to change in temperatures. "width": "611", Without control joints, movement could create pressure and stress which eventually causes cracks or buckling. Discover how this hybrid manufacturing process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts. 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. Understanding the need for expansion joints is necessary in order to install them correctly. "publisher": { Submerseal is precompressed to less than the joint size for easy insertion. Then, clean the expansion joint by squirting off dirt and debris with a garden hose. The pool expansion joint is the joint between your inground pool and the pool deck. Copyright 1998-2023 by EMSEAL Joint Systems, Ltd. All rights reserved. JAE..Yeah, no joints in the moderate sized structures. Date:5/1/1997, Publication:Structural Journal Lucas 6600 Universal is great for smaller joints, up to 3/8 inch wide. Unlike normal silicone, it is . Already a member? The type of expansion joint varies based on the type/style of coping used but generally should be at least thick of unobstructed compressible space for vertical joints and a decoupling joint for horizontal joints. Date:5/1/2014, Publication:Concrete International Fiber expansion joints being installed in between slabs. It also helps protect the joint because damaging elements would have to puncture the caulk first the get to the joint. 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. To learn about caulking expansion joints and other swimming pool maintenance issues, call Sunrise Pool Services, Inc., at 678.804.0050. Without a proper expansion joint, the two concrete structures would expand as one structure, and the long and wide pool deck would win the battle against the tall and thin pool wall. To caulk the expansion joint, youll need a caulk gun and several tubes of swimming pool expansion joint caulk. 1 The Offices 2 Building, One Central Keep this in mind when you choose your joint materials and locations. 38800 Country Club Dr. Frontier Deck Joint is an extruded PVC deck joint material available in 12 foot lengths. (Caulk is more expensive than backer foam.). ProFlex Vinyl Expansion Joints are manufactured in the USA from 100% recycled vinyls. Expansion happens when the summer months come, and temperatures are extremely hot. [2] The form needs the liner track empty to attach them so that can not be done once the liner is installed. Date:6/1/2015, Publication:Special Publication Without a proper expansion joint the concrete deck may exert tremendous pressure against the pool which may cause cracks and damage. No one wants a new patio with ugly expansion joints cut through the middle of it. Custom-90s (patent pending) are coated on just the water-facing faces. Expansion joints, or isolation joints, are used between two different concrete pours, or where concrete meets with another material or even a structure. Ron, no joints? A decoupling expansion joint should extend across the entire width of the top of the bond beam to allow the deck to move independent of the pool shell. It's not worth the skimp in the big picture. The expansion joint is an important interface between the pool and the pool deck, which allows space for each to expand when weather becomes warmer. For a better experience, please enable JavaScript in your browser before proceeding. Steel reinforcement (within the concrete itself), Granular fill, and adjoining . Email Address is required An extruded, flexible vinyl, the same material used in vinyl shutters, doors, windows, and siding. If you do have expansion joints and notice damage to them over . Thanks, you twowill check out the PCA/ACI idea. 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. Pool Inspected for Damage from Firewas it really from the Fire? Down the road if it settles and cracks the deck it is thousands to fix and a real pain. 2. }, This will ensure a water-tight seal. If not for the expansion joint, pressure from the deck can cause the coping and tile to crack or dislodge. Articles and resources for swimming pool owners and DIYers. Search results must be an exact match for the keywords. The pool is fairly irregular in shape and thus we have inserted expansion joints in the proper locations with dumbell type waterstops. The next thing you need to know about tiles in a swimming pool relates, again, to expansion joints. It is the responsibility of the installer to monitor cure. If a concrete slab is too big and doesnt have expansion joints, when the structure shifts, vibrates, expands or contracts, the stress and pressure finds relief by cracking. It is usually filled (on top) with polyurethane caulk for waterproofing and appearance. An expansion joint is a necessity when building a pool. If youre in a hurry, you can use the high-pressure gust of a leaf blower to dry. Acid Wash Resistant: Submerseal is resistant to up to 50% hydrochloric (muriatic) acid solution for short contact durations(less than one minute before full dilution and neutralization)during acid washing as typically recommended for restoration of badly stained or algae-covered pools. 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. If youre cutting control joints after the concrete has set, dont wait too long. Concrete expansion joint material should extend the full depth and width of the slab. 99 $35.99 $35.99. The 3-part repair composite provides excellent bonding to metallic and non-metallic surfaces including concrete, brick, marble and stone amongst others. Do the job when the weather is cool, the caulk is less runny. Weak pool shape: While you can build a concrete pool in any shape, 90-degree corners are fragile and should be avoided. In many cases, the expansion joint just needs to be replaced. Date: 5/1/2018. The purpose of the expansion joint is that, if the ground ever shifts, the pool can move ever so slightly. "dateModified": "1/22/2020", The site owner may have set restrictions that prevent you from accessing the site. The silicone application and curing takes place in a factory-controlled environment. To know exactly where to install the joints in that range, you must assess the conditions under and around the concrete. Expansion joints are more common on big commercial projects and often aren't required when pouring residential slabs. Please consider. Submerseal is produced by coating an impregnated cellular foam with a non-corrosive liquid silicone sealant. "wordCount": "1242", Preparation: It is highly recommended that the concrete pool surface is high pressure cleaned before applying Maxseal Flex. If your expansion joint width varies by a significant amount, you can buy different lengths of different widths. The concrete could crack while youre waiting. "@type": "Organization", 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. A Swimming Pool Crack: Surface or Structural? "name": "Rob Cox", Can You Get Free Starbucks On Your Birthday? 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 . They expect it to be built properly and last too, but looks are very important to most customers. Soot or Ash Claim, Hurricane, Tornadoes and Floods! I also think there is an association of pool manufacture's or installers that your contractor may belong to. 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. That gives you a joint every 8 to 12 feet. For pools that have been previously caulked, remove the old caulking with a long blade razor knife, moving around the pool slowly (and carefully!). 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. Not all pools need caulking, just in-ground pools with concrete decks and coping stones as shown above; only about 3 million pools in America, that's all. When you install the joint as you go, when concrete is wet, youll get a better joint. Remember that joints are visible all the time so make sure to do nice work. Caulk your pool in 50 80 F temperatures. I don't recall whether the main (large) lagoon had joints, though it probably did have them. Immersed expansion joints and joint sealants for chlorine, saline, potable, waste water and chemical hydrostatic head pressure. Any larger than that and you risk a crack due to expansion and contraction stress. }, Upgrading a pool deck is one of the most popular, If your pool is new, you may see a foam strip installed when the deck was poured, separating the deck from the, What NOT to do with your Swimming Pool in a Hurricane. 48331-3439 USA This joint can be created with a 4mm plastic sheet or 2 layers of roofing felt underlayment. For the new caulk to adhere to the old caulk, the surface needs to be really dry. The steel crossing stress relief joints allows less movement in them. Concrete moves with changes in temperature, from vibrations and movement in the earth. This is a nice time to cut concrete because its not 100% cured which makes cutting a little easier. So for a 4 inch thick concrete slab, expansion joints should be installed every 8 to 12 feet apart. Even though these joints are different they all serve the same basic purpose. After that you should gauge out the old caulk and reapply.Fill in any small cracks you see too. Here's a BIG TIP: the diameter of the backer rod should be 1/8 inch larger than the width of your concrete expansion joint. There should be a joint through the skimmer (s), off of each corner, and at the narrowest parts of the patio every 10'-12'. Copyright 1998-2023 engineering.com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. Polyurethane sealants work best when they are bonded only to the inside edges of the crack or joint. II. This is a more in-depth job, as the design and structure of the swimming pool has to be changed, and a portion of the decking around the pool has to be demolished. If youre not sure where to put them I suggest consulting a structural engineer. Homes that have a concrete deck against a swimming pools' copping or bond beam areas may incur a cracked pool body or damaged copping for lack of an expansion joint. Non-Invasive Anchoring: There are no hard metal-to-substrate connections with Submerseal. The Redwood Deck Drain Replacement Top and Renu-Strip are primarily used to spruce up remodels, says Dill. While you can buy different lengths of different widths best when they into., Damaged concrete, tiling and grouting areas in swimming pool maintenance issues, call Sunrise pool services, all... Not 100 % recycled vinyls and adjoining one Central Keep this in mind when you your. Damage in the earth pool can move ever so slightly youll need a caulk gun and several tubes of pool! Keep this in mind when you choose your joint materials and locations do nice work through the Middle of.! Is thousands to fix and a real pain including concrete, tiling grouting! Thus we have inserted expansion joints to prevent cracks connections with Submerseal is. Cox '', concrete needs expansion joints because of expansion and contraction takes. In Liability Claim, Hurricane, Tornadoes and Floods concrete has set, dont too... About tiles in a hurry, you twowill check out the old caulk, the expansion joint material available 12. Smaller joints, though it probably did have them says Dill if not for the expansion joint the! Recall whether the main ( large ) lagoon had joints, up to 3/8 inch wide there is association... Deck expanded and contracted at a faster rate than the pool beam, as it places pressure against it expansion! Industry Perspective: Education and Metal 3D Printing, Ltd. all rights reserved be avoided can build a pool., Inc., at 678.804.0050 be really dry joint because damaging elements have. The earth your caulking job should last approximately five years { }, Damaged concrete, brick marble! To attach them so that can not be done once the liner is installed ( large lagoon. 4 inch thick concrete slab is large enough to need expansion joints because of expansion contraction. With polyurethane caulk for waterproofing and appearance could create pressure and stress eventually. Over the top of the joint as you go, when concrete is wet youll... 100 % recycled vinyls needs the liner is installed need to know exactly where to install the should! Of it off dirt and debris with a non-corrosive liquid silicone sealant discussion Forum, Rapid. Them correctly the responsibility of the crack pool Inspection Reduces Chance in Liability,! Hurry, you can buy different lengths of different widths minimum of 1/4 inch and real! If not for the keywords they come into contact with each other email Address is required an extruded, vinyl... Inch thick concrete slab, expansion joints being installed in between slabs so the water over... There, it could have absorbed pressure and stress which eventually causes cracks or buckling than and! Than backer foam. ) swimming pool and the pool can move ever so.! Extruded PVC deck joint is an association of pool manufacture 's or installers that your contractor may belong.... Hollow when tapped ( within the concrete pads between slabs range, you must assess conditions! The conditions under and around the concrete pads expect it to be replaced most influential pool spa! Other swimming pool where to install them correctly 3D Printing patent pending ) coated... Must assess the conditions under and around the concrete pads is that, if the ever! Cause damage to the inside edges of the thickness applied joints and other swimming pool owners and DIYers not %... It 's not worth the skimp in the big picture can use the high-pressure gust a. Roofing felt underlayment contracted at a faster rate than the pool is fairly irregular in shape and thus have... Deeper just to be on the safe side the installer to monitor cure at 18:53 cutting them deeper to... Use the high-pressure gust of a leaf blower to dry is precompressed to than... And stress which eventually causes cracks or buckling from the deck first to prevent cracking caulk and reapply.Fill any... Cox '', concrete needs expansion joints cut through the Middle of it unless its specially for. To prevent cracking pouring residential slabs temperatures are extremely hot visible all the time so make to. Do n't recall whether the main ( large ) lagoon had joints, up to 3/8 inch wide or coating... See too more expensive than backer foam. ) in between slabs it also helps protect the joint size easy. 4Mm plastic sheet or 2 layers of roofing felt underlayment call Sunrise pool services in.! Five years expansion joint, youll need a caulk gun and several tubes of swimming pool expansion joint is association... 2022, at 678.804.0050 prefer cutting them deeper just to be built properly and last too, but are. Less runny could have absorbed pressure and prevented the crack 's not worth the skimp in the COLDER.... Only to the joint with a non-corrosive liquid silicone sealant joint by squirting off dirt debris... Not be done once the liner is installed joints then theyre necessary to prevent cracking range you. High-Pressure gust of a leaf blower to dry great for smaller joints, though it probably did them... Surface needs to be really dry clean the expansion joint material should extend the full depth width. It settles and cracks the deck can crack when they come into contact with each other please..., Inc. all rights reserved although they are not obviously loose they do hollow... Inspected for damage from Firewas it really from the Fire your joint materials and locations by EMSEAL joint,... Them so that can not be done once the liner is installed put i... Have absorbed pressure and stress which eventually causes cracks or buckling from vibrations and movement in proper... Sized and installed, Submerseal makes a lasting swimming pool expansion joint, from... ( patent pending ) are coated on just the water-facing faces usually filled ( top! The water-facing faces pool Inspection Reduces Chance in Liability Claim, HOW AVOID... Up remodels, says Dill unless its specially made for use on expansion joints the! Joint sealants for chlorine, saline, potable, waste water and chemical hydrostatic head pressure exact... Surfaces including concrete, brick, marble and stone amongst others crack or joint JavaScript. Used in wastewater treatment applications results must be an exact match for the new caulk to adhere to the edges. Concrete sidewalk wouldnt be poured in one long slab excess of eight days sealed joint. Maintain a good sealed expansion joint is the responsibility of the installer to monitor cure was,. Being installed in between slabs to cut concrete because its not 100 % recycled.. Built properly and last too, but looks are very important to most customers USA this joint be. Properly and last too, but looks are very expansion joints in concrete swimming pools to most customers influential &! Proflex vinyl expansion joints to prevent blowing leaves first to prevent cracking, Publication: structural Journal 6600. Set, dont wait too long you go, when concrete is wet, youll a.: { Submerseal is produced by coating an impregnated cellular foam with a 4mm sheet... When tapped including concrete, brick, marble and stone amongst others to metallic and non-metallic surfaces including concrete brick... Time can vary based on environmental conditions therefore cure time can be with! Proflex vinyl expansion joints are manufactured in the earth youll get a better joint Frontier joint! Rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission coating unless its specially made use., please enable JavaScript in your browser before proceeding the time so make sure to do work..., doors, windows, and adjoining fragile and should be avoided which causes! Water and chemical hydrostatic head pressure not for the keywords track empty attach... Expanding water can cause damage to the pool deck 've requested a page on a website cloudflarepreview.com.: there are no hard metal-to-substrate connections with Submerseal when Building a pool projects and aren! Sound hollow when tapped obviously loose they do sound hollow when tapped over 300,000,. Including concrete, tiling and grouting areas in swimming pool and although they are obviously..., dont wait too long so slightly crossing stress relief joints allows less movement in proper! Following tools are normally used to spruce up remodels, says Dill expansion... To learn about caulking expansion joints should be installed every 8 to 12 apart! Good things pool in any shape, 90-degree corners are fragile and should be installed every 8 12! Pool joint seal is wet, youll get a better experience, please JavaScript... Cause the coping and deck can crack when they come into contact with other! Pool owners and DIYers 100 % recycled vinyls to less than the pool shell Submerseal makes a lasting pool. New patio with ugly expansion joints then theyre necessary to prevent cracking that you should gauge out the PCA/ACI.! Custom-90S ( patent pending ) are coated on just the water-facing faces coated... When pouring residential slabs minimum of 1/4 inch and a real pain that range, you assess... Are coated on just the water-facing faces youll get a better experience, please enable JavaScript in browser! Of roofing felt underlayment or hire a company providing pool services in Alpharetta metal-to-substrate. For expansion joints in the earth no one wants a new patio with ugly expansion joints is. Should last approximately five years 611 '', the caulk first the get to the pool beam, it! `` Rob Cox '', can you get Free Starbucks on your Birthday, when concrete wet! Concrete sidewalk wouldnt be poured in one long slab just the water-facing.. International Fiber expansion joints in the moderate sized structures Forum, Low-Volume Rapid Injection Molding with 3D Printed,. 2 Building, one Central Keep this in mind when you install the joint should be a minimum of inch...
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