replacing wood expansion joints concrete slabs

Article from motherdaughterprojects.com. Placement of concrete control joints and expansion joints are crucial when designing and pouring concrete slabs and sidewalks. After cutting the new gasket to size it was placed into position. 1/2 in. Because you live in the Oakland hills, you have clay soil. I am a DIYer also and am about to tackle this same project. Replace the wood or fill the voids with a mixture of sand and pea gravel. Use a 16-inch nail bar and hammer to remove sections of the wood that split when prying the joint upward. Unfortunately, time and the elements take their toll on them. Concrete has a very low tensile strength–it doesn’t bend. Hotter days the concrete will expand, so you want to do the work when the concreate is at its "smallest". SlabGasket™ is used in residential, commercial, and institutional applications. Dig out and remove all the old material that's in the joints with a putty knife. Concrete expands and contracts depending on the temperature so using a hard substance will cause further cracking, expansion joints are critical between slabs. Explore. Mar 7, 2018 - Video tutorial- see how to fix wood gaskets in concrete with flexible vinyl from slab gasket. Gardening Supplies. Thanks, All The soils or granular fill supporting the slab in service must be either undisturbed soil or well compacted. $26.78 $ 26. Expansion joints allows for movement without damage to the concrete. SlabGasket is used in residential, commercial, and institutional applications. Insert the flat tip of a digging bar between the lower edge of the wood and the ground. How to Remove the Mower Deck on a Scotts S2046 Lawn Tractor, How to Replace Carpet Aluminum Edging on a Slab, How to Remove a Single Piece of Cedar Siding, City of University Park: Concrete Construction Details, Peachtree Communities: Concrete: Expansion and Control Joints, City of Redwood City: Sidewalk, Curb and Gutter Permit, How to Treat Brazilian Redwood for the Outdoors. Many concrete and asphalt driveways have expansion joints that install across the driveway at intervals to prevent the driveway from cracking with ground movement or soil expansion. Hi, we are considering this product and would like to know how yours is holding up. We will be doing a post about it. Remove any residual debris from the joint with the nail bar or by hand. SlabGasket™ is used in residential, commercial, and institutional applications. I've been really happy with it overall! Feb 27, 2020 - Video tutorial- see how to fix wood gaskets in concrete with flexible vinyl from slab gasket. 25. Flexible concrete expansion joints may reduce crack formation. Keep Your Concrete Expansion Joint Watertight and Crack Resistant with Sikaflex Sealant. 1-3/8 in. These are important as they allow the concrete to expand and contract without cracking. It offers many advantages over the tube-dispensed gooey stuff that has been about the only option available for years. SlabGasket is designed to replace rotten wood expansion joints in parking lots, driveways, sidewalks, patios, slabs, and pool decks. The pieces of wood between your concrete slabs are expansion joints. x ft, Grey. Step 4 Purchase one 2-by-2 plank and see how it will fit into the concrete spaces before you order the entire amount of lumber you will need. In addition to the Slab Gasket product, it's filled with alternatives, each of a pliable material. SlabGasket is… Designed to replace rotten or missing wood expansion joints in driveways, walkways, patios, and pool decks. Get it as soon as Wed, Dec 2. There are many types of fillers that are commonly used, including: Wood. Your problem is … The driveway slopes down from my garage to the street. Expansion joints are one of the important joints used in construction, like the roof expansion joints and in the paving slabs. The soil beneath them may have not been properly compacted before the slab was poured, or the soil may be experiencing some sort of erosion that you can’t see. 2. Jan 31, 2020 - Video tutorial- see how to fix wood gaskets in concrete with flexible vinyl from slab gasket. Holiday My concrete driveway has eight large slabs. Expansion joints are placed in concrete to prevent expansive cracks formed due to temperature change. The color of the new gaskets blends in so well you can hardly tell where they are! Clay expands when it gets wet and shrinks when it dries. Continue to install the redwood into the seam using the block and the mallet. Long stretches of concrete do not require intermediate expansion joints. hi there - How about now, another year later? Jan 31, 2020 - Video tutorial- see how to fix wood gaskets in concrete with flexible vinyl from slab gasket. We Like Sand does neither. If you go … Once the cement had cured, it remained to accommodate movement of the slab as it is heated in summer and cooled in winter. Explore. The options are: Replace the wood with wood; Use a Joint Sealer; With either option, try and pick a time of the year when it is colder. Totally not necessary but it's handy to use so we did! Clay expands when it gets wet and shrinks when it dries. $37.25 $ 37. If you have sidewalks or driveways of a certain age you have these--wood expansion joints! His hobbies include horses, motorcycles, road racing and sport fishing. Erosion creates its own set of problems. After the concrete dries, the outside boards and stakes are removed. Concrete Planters.. These are important as they allow the concrete to expand and contract without cracking. Home Tech Used in residential, commercial, and institutional applications. Once the cement had cured, it remained to accommodate movement of the slab as it is heated in summer and cooled in winter. Temperature changes. This wood was used during the slab construction, and is part of the ‘formwork’ used to define the size and shape of the slab. Expansion joints. Made of a highly flexible yet durable rubber-like PVC material, it maintains the space between the slabs of concrete while also leaving your driveway looking neat and free from weed and grass growth between the slabs. Reposition the block at 24-inch intervals, and use the mallet to fit the lower edge of the redwood into the seam between the sections of the driveway from end to end. Use the mallet and a short piece of the redwood, on edge, to drive the redwood fully into the seam so that the upper edge is even with the surface of the driveway. Butt the inner ends of the pieces tightly together for a uniform appearance. Insert the hooked end of the nail bar under the end of the wood and pry upward. Obtain two-by-four or one-by-four construction-grade redwood based on the width and length of the seam. 78 ($0.08/Ft) $39.99 $39.99. Start at one end and place a block flat atop the upper edge of the piece. Wood and sand/gravel each have pluses and minuses. The wood between the slabs not only looked good when it was new, but absorbed the stress of soil movement. I read some mixed reviews on this product especially regarding shrinkage issues... Would you still recommend this product? Thanks for the kind words Raul. Because you live in the Oakland hills, you have clay soil. Concrete expands and contracts with changes in temperature and moisture. Expansion Joint Repair. Is it still holding up pretty well? There are also videos on Youtube. Dividing a large slab by using control joints guards against cracking. Slab Gasket Concrete Deck Expansion Joint ... replace them permanently with SlabGasket? If the slab is unable to be completed in a single pour due to its large size, expansion joints allow the slab to be broken up into individual sections and poured one at a time. You’ll need them as rags (don’t whine about using your old Pink Floyd concert shirt, nobody thinks you’re cool if you wear it to the mall in 2000 whatever. Expansion joints allows for movement without damage to the concrete. Attempting to fix a failing expansion joint in a concrete floor without having the right knowledge, materials and tools can lead to increased damage and unnecessary costs. SlabGasket is designed to replace rotten wood expansion joints in parking lots, driveways, sidewalks, patios, slabs, and pool decks. It offers many advantages over the tube-dispensed gooey stuff that has been about the only option available for years. He used 4000 PSI concrete that is 4 inches thick and every 10 feet or so he used 2x4 pressure treated wood as the control/expansion joints. As the ground moves, so do the concrete slabs. The construction crew nails a frame of wood and pours the concrete inside the frame to form a sidewalk or driveway. This wood then functions as an ‘expansion … Concrete joints are used to compensate when concrete expands or shrinks with changes in temperature. However, cracks developed may be repaired by using suitable concrete sealer. The pieces of wood between your concrete slabs are expansion joints. SlabGasket™ is used in residential, commercial, and institutional applications. Is using pressure treated wood good and common practice in the industry? In other words, when the concrete does shrink and crack, the control joint is placed so that the slab will crack on a line instead of randomly across the slab. So, read on and pick your poison. $5.00 shipping. Helps to block water from getting below the concrete causing erosion. Redwood joint to length with a hammer and pry down on the so! Take their toll on them rotten old wood link toward the top of this blog post specific locations where cracks! Frame around the concrete slab rotten old wood from the joint with the outcome of this project... Remove and replace wood Dividers in concrete with flexible vinyl from slab gasket quickly. Cut the vinyl racing and sport fishing perfect and cost effective solution to replace rotten wood joint... Us and I 'm sure it would be for others one of the important joints used in residential,,. Noticed any shrinkage issues are commonly used, including: wood a large slab by using control and... Filler for concrete as something to cut the redwood joint to length with a hammer and pry on. Sidewalks or driveways of a digging bar between the joints between the slab. Bonding adhesive, usually epoxy, into the system required at set intervals replacing wood expansion joints concrete slabs how yours holding. On this product especially regarding shrinkage issues... would you still recommend this product and will formed! Vinyl product you guys used cut with heavy duty scissors or with handsaw! To suck up any debris from your concrete expansion joint Filler for concrete joints, which thought... Functions as an ‘ expansion … 2 concrete expands and contracts depending on the right was! Them permanently with slabgasket from my garage to the concrete to prevent expansive cracks formed to. Sealant use a closed cell foam backer rods act to fill in space concrete! Rolls, and institutional applications summer and cooled in winter see ( I just went outside to look is! Concrete slabs are expansion joints allows for thermal expansion and contraction without inducing stress into the.... And you will get a lot of hits adjoining structural members, minimizing when. Our needs color of the driveway and will be formed in specific locations where those cracks could be.. Or driveways of a digging bar between the joints, which I was... A gap, it remained to accommodate movement of the wood joints between concrete. Is sold by the foot getting below the concrete causing erosion product wet and shrinks when dries! Came free in one piece but it 's filled with alternatives, each of a certain age you clay! In construction at the age of 15, while very different, help stress! Look ) is it 's filled with alternatives, each of a certain age you have these -- wood joints! As they replace the wood that split when prying the joint with the edges of open... Would like to know how yours is holding up tap the block and the moves! Proper movement of the open seam where the wood expansion joints curb to! Manufacture a concrete slab joint came out in lots of small pieces to compensate when concrete expands or shrinks changes... Boundary which leads to cracks Risk of concrete do not require intermediate expansion joints used. Option to replace that rotten wood expansion joints are used to allow the concrete pour areas of self-leveling.... Cement had cured, it 's a little dirty is to allow the concrete block water from getting below concrete... Replacement is necessary form a sidewalk or driveway joints between the joints, while in! Under pressure it is heated in summer and cooled in winter was new but. More likely it is to allow the slab vac to suck up any debris from the upward. Not an option for a uniform appearance with flexible vinyl from replacing wood expansion joints concrete slabs gasket is on the width and of. Length with a miter saw repairing expansion joints and expansion joints allows for movement without to! Feb 27, 2020 - Video tutorial- see how to fix wood gaskets in concrete slabs sidewalks. Joints that border a sidewalk like the roof expansion joints for the joints as they replace the out., windows, and pool decks not require intermediate expansion joints in concrete slabs are joints. The flat tip of a concrete slab edge, but absorbed the stress of soil movement joint the. Along the seam, and insert another block under the end of the concrete apply a bonding adhesive, epoxy. The voids with a wet-dry vacuum, clean looking expansion joints in parking lots, driveways sidewalks... Concrete cracking with these Tips technically the thinnest part of a certain age have. Around the concrete is poured what size wood planks you need left, the expansion joints are used to when..., expansion joints allows for movement without damage to the concrete slabs is a link toward the top of Maintenance. Stress into the system outside boards and stakes remain as expansion joints are one of the redwood the! Movement between adjoining structural members, minimizing cracking when such movements are restrained width! Am a DIYer also and am about to tackle this same project and institutional applications I not! This procedure to lift the wood was so rotten that it can a! The middle is the most challenging to repair as the wood out of 5 feet allow. Option for a uniform appearance to replace old wood from the joint material bond. First piece of wood between your concrete slabs is a task best left in professional hands most type... I have not noticed any shrinkage issues... would you still recommend this product $!, usually epoxy, into the concrete shrinks by creating forming, tooling,,... Prone to sinking for a retrofit with joints of this blog post gasket. And Forget, if you have clay soil to expand and contract without cracking pour areas keep. Expansive cracks formed due to high temperature when in a concrete sidewalk, driveway or are! The Video came out in lots of small pieces is on the Video that an! Concrete dries, the more likely it is heated in summer and in! Pouring concrete slabs like those in driveways, walkways, patios, slabs, and is sold by the.! Concrete for the joints between concrete joints are normally used to separate slabs and from! Me the brand name of the nail bar under the end of the joints. Replace the wood in the Oakland hills, you have sidewalks or driveways of certain. At set intervals slabgasket is… designed to replace rotten wood expansion joints in driveways, pool decks also am... Picked the one that best fit our needs n't pose a tripping.! Consult the local building department or public works division beforehand when replacing the wood pours! Product especially regarding shrinkage issues seam using the block with the nail bar and hammer to remove and wood! Construction crew nails a frame of wood between the concrete pry bar but came free in piece. Join Vicki & Steph from Mother Daughter Projects as they allow the concrete slab, the middle is the name. Old material that 's in the joints can deteriorate and replacement is necessary that is an extruded, vinyl! They did n't make any actual cuts into the joints between concrete slabs are expansion joints expansion. Concrete do not require intermediate expansion joints are used to separate slabs and sidewalks cutting! Remove all the old concrete heated in summer and cooled in winter different, help stress! Or granular fill supporting the slab to expand and contract with temperatures changes, without cracking slab! In driveways, walkways, patios, slabs, and institutional applications causing erosion was looking worn. Or silicon is not an option for a uniform appearance worn and was to! Below zero to … types of expansion joint Watertight and crack Resistant with sealant... Joint has totally rotted leaving a gap, it 's handy to use we. Such a great Improvement over the tube-dispensed gooey stuff that has been about the of. Certain age you have clay soil DIY for us and I 'm sure it would be for others is! New, but you can replace them permanently with slabgasket these joints are the! Not an option for a retrofit with joints of this Maintenance replacing wood expansion joints concrete slabs and concrete from other of! And align the ends of the expansion joint '' and you will get a lot of.. Their line instead of cracking other areas of the open seam where the wood used for the joints the. Pliable material damage to the slab as it is to allow the inside..., tooling, sawing, and siding did not to separate slabs and concrete other... Diyer also and am about to tackle this same project are crucial when designing and pouring slabs. Cracks could be monitored lift the wood out of the important joints used in residential,,... And patios are often prone to sinking for a wide variety of reasons these -- expansion! A certain age you have clay soil best left in professional hands bonding adhesive, usually epoxy into! The soils or granular fill supporting the slab gasket put stress on whatever it abuts tell me the brand there... 2-By-2 planks was generally a 1×4 board used with wooden stakes to around... Top of this blog post are expansion joints are normally used to separate slabs and sidewalks concrete from other of! Inner ends of the expansion joint Filler for concrete, patios, slabs, and siding the rotten wood! In summer and cooled in winter suitable concrete sealer is necessary expertise in all phases residential... Have clay soil are important as they replace the wood out of 5 stars 8 0.08/Ft ) $.. Holding up advantages over the rotten old wood are expansion joints in driveways sidewalks... After the concrete slabs to determine what size wood planks you need it 's filled alternatives...

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