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Concrete slab repair methods

Trust Us With Your Basement Seepage Repair. We're Rated Highest In Customer Service. Keep Your Basement Dry With Our Waterproofing Service, Foundation Crack Repair & More Find The Best Concrete Repair In Your Neighborhood. Browse Profiles On Houzz. Connect With Top-Rated Local Professionals Ready To Complete Your Project on Houzz Repair methods and solutions Common ways to repair a slab are to surface fill or inject with epoxy or polyurethane. Filling and bonding the slab back together with a high strength epoxy is a great way to seal the crack

DIY Concrete Slab Crack Repair – Plateau State Gov – Blog

If a slab crack was caused by your foundation settling, then the best repair is to lift the foundation back up and in so doing, take the stress off of the slab. Cracks rarely close up. Bits of sand, rock and concrete will prevent a crack from closing when a foundation is lifted Use a small sledgehammer and chisel to undercut the edges of the crack. Undercutting the crack makes it wider at the base than at the surface, providing a mechanical method of keying the concrete patch in place for a more secure and permanent repair. For more information, see How to Break Up Concrete

Concrete Slab Foundation Repair On Cracks | HD Foundations

Concrete Slab Repair Methods. Repair methods and solutions common ways to repair a slab are to surface fill or inject with epoxy or polyurethane. Filling and bonding the slab back together with a high strength epoxy is a great way to seal the crack One method of fixing and repairing cracks in foundations is to use mortar. Whenever your concrete slab foundation cracks, there will still be small pieces of concrete in the crack. Use a wire brush to clean all of these pieces from inside the crack. If you don't clean the crack properly, then the repair will not work properly of the types of repair methods and materials most likely to be successful in repairing concrete damage resulting from those causes. Finally, the guide contains a detailed description of the uses, limitations, materials, and procedures of each of the standard repair methods/materials included in the Standard Specifications for Repair of.

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  1. in this video we show you step by step process when we patched a few broken and chipped concrete slabs this product work great on Repairing broken edges, co..
  2. These methods include: Wetting the top of the slab. Cutting more joints. Grinding the slab. Removing and replacing part of the concrete. Grouting underslab voids and grinding the concrete. Adding dowel bars. Though many of these repair methods can be successful, they can also be costly, especially if they're done too soon and curling continues
  3. Full-depth repair--cutting out the damaged concrete, replacing reinforcing steel, and replacing the concrete. Partial depth repair—cutting around the edges of the damaged area (but not into the reinforcing steel), removing the damaged concrete, cleaning or replacing the reinforcing steel, then placing a repair mortar
  4. The use of high-density polyurethane foam has dramatically simplified some types of slab repair. The technique involves injecting the foam into the foundation using a six-foot checkerboard pattern centered on the problem area. High-density polyurethane foam has become popular because of the speed of repair it offers
  5. This includes concrete cracks in foundations, retaining walls and concrete slabs. Use this page as a guide to help you decide which repair method is best for your concrete crack. This section covers cracks such as hairline, actively leaking, structural, slab cracks or a floor crack in a concrete basement

Sika concrete repair mortars are suitable for restoration work, repair of spalling and damaged concrete in all types of structures including buildings, bridges, infrastructure and super-structures. Advantages: Easy to mix and apply. Pre-bagged for quality, just add water. High mechanical properties Slab Repair Methods Our concrete floor repair methods, including the materials we use have been specifically developed for use in operational, fully stocked warehouses. Our fast curing repair materials ensure we can carry out joint repairs with minimum impact on operations The Roadware Easy Injection System for crack and delamination repair. Another method is to dry diamond drill a 2 or 3 inch (5-8 cm) diameter hole into the concrete slab down to the delamination. Dust is removed with a shop vacuum. Roadware 10 Minute Concrete Mender is poured or pumped into the void

Concrete slab crack repair methods: This article describes methods for repair of cracks that occur in poured concrete slabs or floors and explains the need for accurate crack cause diagnosis and impact on structure before repairs are attempted The essential steps of concrete repair are: 1. Determine the causes of damage 2. Evaluate the extent of the damage 3. Evaluate the need to repair 4. Select the repair method and material 5. Prepare the existing concrete for repair 6. Implement the repair method 7. Cure the repaired area properly. Causes of Concrete Damage. 1 There are several methods of concrete crack repair such as epoxy injection, routing and sealing, grouting, stitching, drilling and plugging, gravity filling of cracks in concrete. Details of these methods for the selection of suitable methods for different types of cracks in concrete are discussed So, how do you raise a concrete slab with foam? Locate the dips, Get the right equipment and foam., use 5/8-inch masonry bit to drill a hole through the concrete, and spray the foam into it. The foam will expand and harden, filling the void in the ground and leveling the driveway

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  1. Learn how to repair concrete to fix all types of concrete problems, from crack to broken corners to full section replacement.Shop all products used in this v..
  2. The bell bottom pier method is the only thoroughly researched concrete slab repair method on the market today. This pier design - poured concrete reinforced with steel rebar - is the same conceptual pier design used in the construction of commercial multi-story buildings, bridges, and highway overpasses
  3. CONCRETE SLAB REPAIR. the means to quickly and efficiently deal with any issues of cracking within your foundation through quality foundation repair methods that work. Seam Splitting. If you have a concrete slab in place that has been installed in a series of sections, then the weakest point of the installation will always be within the.
  4. Methods of Concrete and Foundation Repair What if you could raise a cracked or sunken slab back to its proper level in less than an hour, with no down time waiting for new concrete or mortar to cure? There are only three choices when it comes to repairing a settled or sunken concrete slab: replace it, grind it,..
  5. If the spalling depth less than 1/3 of the concrete thickness, the concrete usually can receive a surface repair. However, for damages greater than 1/3 of the concrete depth, steel bars may need to be installed and a full depth restoration may be required. Roughen affected surface and apply suitable adhesion agent to improve bonding
  6. Photo 5.2.1.2 Concrete crack repair method Photo 5.2.1.3 Concrete crack repair material Syringes set Epoxy resin Sealant ①Washer ②Syringes ③Rubber Band ④Pressure Ring ⑤Stopper . concrete slab from the surface Bonding steel plate from slab bottom with adhesive and anchor bolts Bonding CFSR from slab bottom with adhesiv
  7. The best concrete slab foundation repair methods include: Steel piers or beams. Helical piers, similar to corkscrews. High-density polyurethane foam or foam jacking. Note that there are other concrete slab foundation repair methods available, and your foundation repair contractor might note which is best for your home's needs and your budget

3. Remove the concrete slab. Once the repair limits are saw-cut, the concrete is removed in one of two ways. One method is to lift out large pieces of the slab, and the other method is to break up the slab. Item 361 requires the lift-out method to be used for slab removal FOUNDATION REPAIR METHODS for our catalog of Foundation Repair Methods - Examples of Typical Foundation Repairs for various types of foundation cracks, leaks, settlement, movement, or other failures Best Practices for Concrete Sidewalk Construction, Balvant rajani, Canadian National Research Counci Generally, there are three ways the concrete is mixed and all of these methods can achieve good concrete. 1. Continuous mixing concrete mobile - make sure that all concrete is out of the chute when production stops. Otherwise, when production starts again, the old concrete is re-tempered and the concrete will shrink excessively when it sets up. 2

Step 2: Clean Out the Debris with a Stiff Fiber or Wire Brush . Step 3: Fill the Crack with Patching Mix (also know as Vinyl Concrete) . Step 4: Address Any Pop-Outs . Step 5: Wet the Surface and Apply a Concrete Bonding Agent . Step 6: Pack a Small Amount of Anchoring Cement into the Hole Concrete slab repair is a project a homeowner can do with some simple tools and materials. Successful concrete repairs depend on getting the new patch to adhere to the existing concrete. This method will repair a large area of damage on a concrete slab such as a patio, garage floor or driveway perspectives will determine repair strategy specific means, methods and repair material. In the repair strategy (step 6) we develop means, methods and material to fix the problem: i. Surface repair - removal and replacement of deteriorated concrete ii. Strengthening - strengthen or enhance capacity of a structural member iii Concrete floors and subfloors can be repaired using one of three common methods. All of these involve covering the existing concrete slab with a new coating of concrete or a concrete-like topping and finishing the new layer as desired. These methods can be used on interior and exterior surfaces and are intended for surface restoration only.

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  1. Field Guide to Concrete Repair Application Procedures ACI Fall 2011 Convention October 16 - 20, Cincinnati, OH ACI WEB SESSIONS Peter Emmons, FACI, is President of Structural Preservation Systems, Inc., Hanover, MD. He is Chairman of ACI Committees 364, Rehabilitation and 546, Repair of Concrete. Basics of Concrete Repair
  2. This fast, affordable repair is possible with a new slab-raising technique called PolyLevel®. PolyLevel® is a concrete lifting process that involves drilling one or more small holes in the sunken area of the slab, then injecting an expanding geotechnical foam beneath the slab. As the foam expands due to a chemical reaction, it pushes the.
  3. or surface shrinkage Concrete Slab Surface Defects: Causes, Prevention, Repair Figure 3
  4. Method # 4. Epoxy Concrete: Epoxy concrete is nowadays often used for repairing concrete members like roof, floor, columns, etc. The bond of the new concrete with the old surface is effective. The epoxy compound improves the quality of the concrete by increasing the tensile strength of the concrete and removing its general weaknesses
  5. Concrete is simply artificial rock. Three of the 4 ingredients in basic concrete are or were rock at one point. The aggregate is made up of small stones

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(cement) into the crack. These methods can be used to repair both reinforced and unreinforced concrete slabs. For cracks wider than 20mm, parts of the slab may be cut out and replaced (refer to the internal slab cut out and replacement fact sheet). Repairing your concrete floor Slab crack repair Concrete Repair Methods - Traditional Mudjacking. Mudjacking is an old fashioned method for leveling concrete. It involves drilling a series of soda can sized holes throughout a concrete slab and then filling them with cement and/or mud in an attempt to raise the sunken slab Polyurethane foam jacking is one of the most effective ways to repair problems in your sinking or settling foundation. Technicians create a checkerboard pattern over the problem area, then drill holes into your slab, injecting high-density foam under the foundation. Seconds after injection, the foam expands, raising the concrete and filling in. The proper way to repair a heaved crack in your concrete floor depends on the nature of the damage. Fractures and cracks are common with heaving floor cracks and can be caused by a few issues. If there is a gap between the crack, this is a sign of uneven movement and may take a little more investigation to repair and prevent from returning or.

Repairing Common Concrete Slab Problems - The Concrete Networ

  1. Why Mudjacking is the Best Concrete Repair Option. Cost isn't the only reason homeowners choose mudjacking. The concrete repair method has several other upsides: Mudjacking is a tried-and-true method for repairing damaged concrete slabs, in use since the 1930's, while polyjacking is a more modern approac
  2. Foundation Repair Method #2: Slab Jacking. Slab jacking is a method used to lift concrete that is uneven or sinking. This process is also known as mudjacking, concrete lifting, and slab leveling. This method is ideal for small jobs such as raising porches, steps, decks, walkways, garage floors, and driveways
  3. GENERAL This following Method Statement covers surface preparation and repair of damaged or defective concrete surfaces for building works. 2. The repair method consists of Investigation and evaluation, concrete removal, preparation for repair, repair materials and concrete repair method and rehabilitation of concrete surfaces. 2
  4. Concrete Foundation Repair Methods Mudjacking. Mudjacking, also referred to as slab jacking, is a concrete foundation repair method where a grout mixture fills the missing gaps underneath the concrete slab and lifts the foundation back to its original level. Polyurethene Foam Injectio

Concrete slab repair is the cost effective approach to raise or level concrete sidewalks, floors, pool areas and more to their original height or grade. Concrete Chiropractor was established in 2000 as a concrete slab repair service. We specialize in providing concrete slab repair services affordably at a third or half of the cost to replace on. Among the traditional repair methods for reinforced concrete frame beams and columns, the method of steel-enclosed reinforcement is mainly used in cases where damage to the concrete columns is not extensive (i.e. no deformation occurs)and the repairs are concentrated on broken edges and corners of beams and columns Let's break down some of the house leveling methods and techniques available to determine which one is the best for you: Concrete Slab Leveling. Concrete slab leveling seeks to level the house by lifting the concrete slabs that hold up the foundation. This is often done by mudjacking or slab lifting foam. This is a more affordable option, as.

Concrete sidewalk leveling involves floating the slab up in small increments, which allows a controlled lift and provides the best protection for the concrete. This is best handled by experienced professionals that understand the right mix of materials and equipment to use in order to protect the integrity of the concrete without any damage to. Foundation repair methods vary depending on the soil type, climate, foundation build and unique problems at hand. Underpinning. Shimming using supplemental piers. Foundation wall repair. Water Management. Shimming using existing piers. Grouting. Mudjacking. Stabilizing foundation soil

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Concrete Slab Repair Methods - Fixing Concrete Slabs

Our Concrete Slab Repair Method. Ram Jack utilizes helical piles to repair concrete slabs. Our helical piles offer a fast installation with phenomenal results. Ram Jack's helical piles can be installed directly through the floor slab to support and raise the slab back for maximum practical recovery We repair settlement of slab floors in all types of structures, from offices and manufacturing facilities, to warehouses and industrial facilities. In conjunction with concrete floor repair using polyurethane grouting for void filling and lifting, we also perform spall patching, and incidental replacement as required. Concrete Floor Repair Methods Foundation Repair Methods. The two most common methods of foundation repair are slabjacking and piering. Here is some information on each method. Slabjacking. Slabjacking—also referred to as concrete lifting—is a common foundation repair method for homes that are constructed on a concrete slab (as opposed to a below-grade basement) >>> Stitching concrete Pavement crackS and JointS There are two stitching methods used to repair and strengthen cracks or joints in concrete pave - ment. The first, and most common, is cross-stitching. Cross-stitching uses deformed tie bars epoxied or grouted into holes drilled at an angle through a crack. The second, slot-stitching, use The most common cause of lifting concrete slabs is tree-root growth, pushing at the soil under the slab and displacing it. There are two approaches to rectifying this problem. The first requires lowering the offending slab, while the second involves raising the surrounding slabs. Choose the best repair method based on your preference

To effectively do this, mix the concrete with some amount of water, but ensure that it is well mixed. The concrete should be kept dry because if the water content is high, it may weaken the material. Also, the concrete needs some time to cure. Ensure that you protect the concrete from elements that could necessitate for concrete spalling repair. A sand-cement grout can be used to fill voids under concrete slabs. This mix of sand, cement, and water is pumped through holes drilled to fill up the voids. While this method of slab jacking is cost-effective, there are major drawbacks to opting for this type of repair. A significant amount of time is needed to cure the filled concrete.

Concrete Piers For Foundation Repair: These pilings are frequently used for fixing foundations because they're solid slab supports for foundations. Concrete piers and steel supports are the methods commonly used for foundation repair in Texas cities such as Dallas and Fort Worth (DFW) because they're reliable. HD Foundations installs them. Shotcreting method is useful for: concrete repair of large areas of concrete deteriorated due to reinforcement corrosion or other reasons, strengthening of existing concrete columns, beams and slabs by increasing the concrete sectional area by the application of shotcreting and by increasing the steel and construction of structures with complex. Types of Foundation Repair. Foundation settlement and movement can lead to serious structural issues, such as sinking foundations. While you can repair minor shrinkage cracks with patches or.

How to Repair Cracked Concrete Lowe'

  1. Foundation repair options vary greatly depending on the geographic area and site conditions for the repair. Until the late 1970s, the main repair method simply used concrete. Below is a list of some popular methods used to repair foundations today
  2. While slab jacking companies lift the slab and then refinish it, repair services use piering as well as wall anchoring and other engineering techniques to level the foundation. With concrete lifting, the company drills small holes into the floor and pumps in material that lifts the sunken concrete to a level position
  3. Slab jacking or mud jacking in foundation repair. In early days, the sunken slab raised by filling mud under the slab or filling concrete mixture under the slab using hydraulic pumps. But now-a-days the hydraulic pump was replaced by a trailer which consists of polyurethane system
  4. If you're new to this concrete repair method, get ready to be pleasantly surprised. You aren't always required to tear out and re-pour concrete structures — there's a better way! How Does it Work? Concrete lifting is the process of raising a slab by injecting stabilizing grout underneath. First, your contractor uses a small drill to.
  5. Sectional Slab Repair; Alternative method for filling the void under your concrete slab is to repair discrete sections of the damaged concrete slab. It is advisable to use this method if there is a large area of void underneath your slab. Step-by-step instruction: Step 1.Identify first the area where there is a void underneath
  6. This will ensure that the proper cause of the concrete deficiency is identified and that the repair plan will have the intended effect. Additionally, ACI 564R-04 outlines general considerations for undertaking concrete repair as well as specific information about methods and materials. Clues for the trained ey
  7. Bureau of Reclamatio

Concrete Lifting. Slabjacking, or mudjacking as it is commonly called, is a cost effective alternative to replacing sunken concrete. Concrete is lifted by drilling 1 5/8″ holes through the slab, and pumping, under hydraulic pressure, flowable cement grout underneath the slab. As the mixture flows beneath the surface, voids and depressions are. Polyjacking is a concrete repair method that consists of raising, filling, and leveling your concrete slab with polyurethane foam. We drill a small hole into your concrete and inject the foam, which then expands underneath the ground and fills every crack and void. Your concrete will be raised and leveled back to its original state Floor slab penetration structure and repair method of floor slab penetration hole US9909330B2 (en) 2012-05-22: 2018-03-06: Gerald R. Gray: Method and apparatus to fill and fire proof holes in concrete floors US9765541B2 (en) 2012-05-22: 2017-09-19: Gerald R. Gra

8 Different Methods of Concrete Crack Repair How to

4 Slab Foundation Repair Methods DoItYourself

Foundation and Concrete solutions that work! Since 2014, we have completed hundreds of commercial and residential projects. APD understands the foundation process from start to finish. APD is well versed in underpinning, injection grout piers, chemical grout and poly foam injection. We create a solution according to your budget and property needs Concrete Repair Best Practices: A Series of Case Studies Prepared by: This report is a compilation of six individual case studies on different repair methods. In addition, a technical brief has also been prepared for each case study. into the concrete slab. There are several factors that cause longitudinal joints and cracks to open .

Method 2 LMC overlays for Type 1 and 2 bridge deck repairs. 17. Key Words hydrodemolition, latex-modified concrete, overlay, slab 18. Distribution Statement No restrictions. This document is available from the National Technical Information Service, Springfield, VA 22161 19. Security Classif. (of this report) Unclassified 20. Security Classif. Concrete Driveway Repair Methods There are several different ways to repair a sunken, uneven concrete driveway. These include tearing it out and replacing it; mechanically lifting the concrete slabs with some kind of jack system or front-end loader, then filling underneath to keep from settling again; to pumping material under the slab, lifting. Caltrans specifies that a replacement slab or a full depth repair joint must be at least 6.6 ft (2 m) from the nearest crack or joint (Caltrans, 2004). FHWA recommends the following minimum repair dimensions for full depth repairs (FHWA, 2001): • Doweled or Tied Repair—A minimum length of 6 ft (1.8 m) and a full-lane-width repair ar CSA A23.1, Concrete Materials and Methods of Concrete Construction International Concrete Repair Institute (ICRI) Technical Guideline No. 310.1R, Guide for Surface Preparation for the Repair of Deteriorated Concre te Resulting from Reinforcing Steel Corrosion. CAN/CSA G30.18, Billet-Steel Bars for Concrete Reinforcemen 5. Make the mortar flush by scraping it horizontally onto the damaged edges. Use a smaller trowel or paint scraper and scrape along the edges of the crack or hole where the concrete meets the mortar. Push the mortar so it is even with the concrete surface. Work around the whole border of the crack

How to fix or repair Chipped Cracked or Broken concrete

2.2—Determination of location and extent of concrete cracking 2.3—Selection of repair procedures Chapter 3—Methods of crack repair, p. 224.1R-13 3.1—Introduction 3.2—Epoxy injection 3.3—Routing and sealing 3.4—Near-surface reinforcing and pinning 3.5—Additional reinforcement 3.6—Drilling and plugging 3.7—Gravity filling 3.8. Photo 1: 12-lb. sledge. A sledge can be surprisingly effective in breaking up concrete up to about 4-in. thick. Give it a try first, before moving on to heavier rental equipment. Photo 2: The jackhammer option. A rented jackhammer powered by a big compressor is the best option for large or thick slabs

Repairing Curled Slabs Concrete Construction Magazin

1 Gal. Ready-Mix Concrete Patch Repair Sikacryl Ready-Mixed Concrete Patch is an Sikacryl Ready-Mixed Concrete Patch is an easy to use, acrylic-based, textured concrete patch for repairing spalls and cracks in concrete and masonry. It cures to a tough and durable finish. The application is easy and cleanup is simple In this concrete repair method, a small portion of the slab is removed and then sand is packed underneath to level the slab and support it before the concrete is replaced. The damaged area where the cracked concrete must be cut and removed using a crowbar Concrete cracks and selecting the best repair method is important. To be successful, you must choose a procedure that addresses the cause of the fracture and present condition of the slab. Although epoxy injection is often used, significant cracks caused by settlement or other changes need to be stabilized with a structural concrete crack. Methods of Crack Repair in Concrete (3) Following the evaluation of the cracked structure, a suitable repair procedure can be selected. Successful repair procedures take into account the cause(s) of the cracking. For example, if the cracking was primarily due to drying shrinkage, then it is likely that after a period of time the cracks will. Title: Precast Concrete Slab Repair Methods Author(s): Becca Lane and Tom Kazmierowski Publication: Concrete International Volume: 28 Issue: 11 Appears on pages(s): 29-35 Keywords: falling weight deflectometer; load transfer efficiency; pavement repair; precast concrete Date: 11/1/2006 Abstract: In 2004, the Ministry of Transportation Ontario conducted a trial project to evaluate three precast.

04 Concrete Repair and Protection 06 The Root Causes of Concrete Damage and Detoriation 10 An Overview of the Principles of Concrete Repair and Protection According to EN 1504-9 12 The Principles of Concrete Repair and Protection 14 An Overview of the Principles and Methods of Repair and Protection from EN 1504-9 16 EN 1504- Epoxy injection is an economical method of repairing non-moving cracks in concrete walls, slabs, columns and piers and is capable of restoring the concrete to its pre-cracked strength. Prior to doing any injection it is necessary to determine the cause of the crack. If the source of cracking has not been determined and remedied, the concrete.

Repairing Concrete Surfaces - The Concrete Networ

After doing above (1 & 2) fill the slab with water to a depth of 1-2 (usually known as water ponding) and check for damp signs (after 72 hrs.). If there are no signs of dampness observed underneath the slab, then you are through with its repair. If dampness is observed, you need to do waterproofing on entire slab area Also referred to as slab jacking, mudjacking is a foundation repair method for stabilizing and raising settled concrete slabs. It is one of the most effective repair methods used by most construction companies. Polyjacking does almost a similar job top mud jacking. Mud jacking basically drilling holes with the intention to raise concrete slabs.

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Slab Foundation Repair Methods Advanced Foundation Repai

CrackWeld quickly cures as a rigid compound that becomes stronger than the concrete itself! CrackWeld welds the concrete slab together providing flooring contractors and homeowners a state-of-the-art method for a proper repair of hairline cracks, wide cracks (up to 1/2), spalling concrete, divots, and tack strip holes in concrete slabs There are two common methods for repair foundations and slabs: This is when grout will be pumped underneath the slab or a beam in order to lift the slab and restore it to its prior location. This is when steel posts will be driven into soil that is unstable and a hydraulic jack is then used to stabilize or raise the concrete slab, which has. Used for slab foundations, slabjacking is a means to repair the sunken portions of foundation without replacing the entire slab. Several holes measuring between one point five and two inches are drilled into the affected slab. These holes are evenly spaced, usually between three and eight feet apart, depending upon the slab's thickness

How to Repair Vertical Foundation Movement or SettlementConcrete Repair - Hydro-Seal Engineering Pte LtdWhich Method of Foundation Repair is best for youConcrete Slab Repair | Pier & Beam Repair | Root Barrier

If you took an advanced concrete design course, you probably had a good introduction to the design of two-way slabs.Although all multi-story buildings require multiple small slab penetrations for routing of plumbing, fire protection piping, and ductwork between floors some methods for strengthening existing structures are introduced Contact CFS at 1-877-770-7050 for commercial slab repair service in the Carolinas. Concrete Slab Repair & Grouting Products by Carolina Foundation Solutions Polyurethane Foam. Unstable soils, poorly compacted soils, eroded soils, and poor native soils can exist around and beneath infrastructures Repair and Protect Concrete Floors, Walls and Ceilings Leading supplier of concrete repair products. Call Us Today! 631-298-6300. Steps to Repairing A Concrete Ceiling. By Capital Industries on 26 December 17 / Leave a comments. Damage and crack in concrete means there is a problem. The concrete or support structure are beginning to fail Concrete Repair Method Statement (Structural Lifting, Shotcrete, Epoxy) Concrete repair refers to modification of structure which is damage in its appearance or serviceability. It also involves to restore the structure partly or wholly, the pre-existing characteristics of serviceability, load-bearing capacity and if necessary, to improve its.