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Xypex Concrete Waterproofing using Crystalline Technology

For more than 40 years, Xypex has been providing Concrete Waterproofing products using Crystallization technologies. Read more about our Concrete Coating Products.

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Circumferential Cracking Welcome to the Concrete

A 6mm crack at the bottom of a DN300 pipe due to stresses resulting from poor bedding. An internal circumferential crack of a DN300 concrete pipe, less than 0.5mm wide. A 6mm crack at the top of a DN300 pipe due to stresses that have resulted from poor

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Concrete Sealer and Condensation Causes Whitening

CONCRETE SEALER AND CONDENSATION CAUSES WHITENING. This could trap water in the sealer after it cures out and a white haze will form. You can try rewetting it with another light coat of sealer or spray a solvent like xylene or acetone on the surface to loosen the sealer and let the moisture escape. If that doesn't work,

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Sinking Concrete Slab Repair PolyLevel™ Concrete Leveling

A simple crack in a concrete slab isn't necessarily a problem. Cracks are even supposed to occur along "control" joints such as those built into a sidewalk. When a concrete slab cracks AND sinks, this indicates a more serious structural issue. In addition to looking bad, a sinking slab can create an uneven surface that poses a safety hazard.

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SmartCare Crack Seal Asian Paints

Asian Paints SmartCare Crack Seal is a ready to use fiber glass reinforced crack filling compound for both interior and exterior surfaces. It ensures unmatched crack bridging ability for plaster cracks

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CIP 25 Corrosion of Steel in Concrete

concrete, it disrupts the passive layer protecting the steel, causing it to rust and pit. Carbonation of concrete is another cause of steel cor-rosion. When concrete carbonates to the level of the steel rebar, the normally alkaline environment, which protects steel from corrosion, is replaced by a more neutral environment. Under these conditions the steel

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Dam Safety Concrete Repair Techniques C

oncrete is an inexpensive, durable, strong and basic building material often used in dams for core walls, spillways, stilling basins, control tow- ers, and slope protection. However, poor workmanship, construction procedures, and construction materials may cause imperfections that later require repair.

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Epoxy Concrete Injection Epoxy Wood Injection epoxy crack

Epoxy Injection Resin will weld concrete cracks but, of course, will not repair the cause of the cracking. Analyze each potential injection application to determine the exact cause or causes of the cracking. Correcting the cracking problem can be fairly simple, or may be difficult involving design changes.

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What are the Side Effects of Paving Asphalt over Concrete?

Jun 24, 2014 · Ensuring the base has a uniform thickness. A complete concrete surface cleaning for optiminal adhesion. The use of a strong adhesive to bond the asphalt pavement to the concrete below. Proper installation of any paving fabrics over the concrete expansion joints and cracks. Milling portions of the concrete, as needed.

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DIY Concrete Crack Repair Family Handyman

Concrete cracks are caused by sideways expansion, poor drainage conditions or settling soil beneath the concrete. If your concrete is the same height on both sides of the crack, you can fix it yourself. But you have to enlarge the crack (Photo 1). Then power-wash the area and squeegee off the excess water before applying the concrete crack filler.

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PRECAST CONCRETE ARCHITECTURAL REPAIR GUIDE

Fine Cracks Fine cracks occur at the surface and are very small, with a width typically less than 0.01 inches. Shrinkage Cracks Shrinkage cracks occur when water is removed too quickly from fresh concrete. The loss of water causes a volume change in the concrete, and since the concrete is

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Crack Repair in Concrete Roof 4 Steps (with Pictures)

Then i found the remainings of the asphalt coating. For some reason, after removing the asphalt and after a while of brushing, it turned a SILVER color. After that, i had to move around the wire brush to remove the remainings from the inside of the crack. Finally, the raw concrete has to be in a dark gray color, and clean view of the crack.

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How to fix a leaking cinder block foundation wall block

Apr 25, 2017 · Water seepage from concrete block foundations is a common occurrence and a problem that tends to worsen over time. In this post I will cover the reasons why block foundations leak and the how to fix a leaking cinder block foundation wall.

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foundation Is it normal to find cracks in new concrete

Concrete will crack naturally on its own unless it is given a place to crack such as control joint or expansion joint. As the concrete is curing it is heating up and expanding. In the summer time, I have seen the slab crack before being able to walk on it. Regarding footprints, it is tacky.

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Determine Sound vs. Unsound Concrete Scaling, Spalling

When a coating, overlay or repair mortar is applied to unsound concrete, the bond between the two materials may hold but when pressured, unsound concrete will simply detach from the slab. Cracks, microcracks, blisters, scaling, spalling, or delamination are symptoms of unsound concrete that must be removed, then patched, before surface

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Sealer Blisters and Bubbles Causes And Solutions

SEALER BLISTERS AND BUBBLES. Most sealers with less than solids either drys or cures when the liquid portion of the sealer (water, xylene, acetone) evaporates after it helps transport the solids portion onto the surface of the concrete. Once the liquid portion evaporates the solid portion gets hard forming a film that helps protect the concrete.

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How to Diagnose and Fix Concrete Cancer in Buildings

How to fix concrete cancer If you suspect your building has been affected by concrete cancer, make sure you get it checked by a professional so you know what type of repair work has to be done. The earlier you catch it and have it fixed, the more likely you can

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Epoxy Floor Coating Problem Solving Guide

Moisture in the concrete or high humidity can cause moisture to be present on the surface when the material is being applied or before it's fully cured. This can result in a "milky or greasy" film.

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CONCRETE SOLUTION

Cracks and splitting of the concrete are major headaches. Cracks allow more water, more salt, and more acid to enter. Penetration accelerates, causing larger cracks and spalling. This troublesome material malady hits many concrete structures with decks that face the beach.

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How can I Repair Cracks in Concrete? (with pictures)

Nov 18, 2019 · "perhaps the most common cause of cracked concrete is standing water" cracks in concrete can also be caused by unevenly dense subsurfaces below the slab. for example, if some areas below the concrete are soft and compressible and others are firm, the uneven settling could cause cracks over time.

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5 Methods To Avoid Concrete Cracking Quality Assurance

Prevent Permeability of Water in Concrete. In cold region, this entrained water freeze inside the concrete and on freezing its volume increase. This may cause cracking in concrete. For underground and water retaining structures, the pores, water will seep and lead to corrosion of steel reinforcement and thus more cracks with develop.

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Two Theories Related to Cracks and Rebar Corrosion

Mar 16, 2015 · Concrete cracks for various reasons including plastic concrete shrinkage and settlement, thermal contraction, drying shrinkage and loading of the structure. Because the tensile strength of concrete is only about 10 percent of the compressive strength, even small tensile stresses associated with shrinkage and loads can crack concrete.

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Concrete Grinding & Repair For Quality Resurfacing

Concrete Repair. Crack's in concrete are caused by soil expansion and contraction which causes ground movement and hence, cracking. You can't prevent the earth moving but when concrete cracks the chance of a lasting crack repair, while never guaranteed, can at

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SLAT REPAIR AND REPLACEMENT

when a concrete feeder pad is used; the corrosion is moved to the edges, and in this case, the concrete pad is subject to the same wear and deterioration as the slats. A better solution is to cover the slat surfaces around the feeders with a protective coating to protect the

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Protective Coatings for Concrete

PROTECTIVE COATINGS FOR CONCRETE Concrete is a material especially used in civil engineering structures for its strength and durability. For buildings it also has to achieve the look and beauty envisaged by the owner and their architect. To enhance these aesthetics and bring more colors, or for example to increase the durability of the

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Troubleshooting Seal-Krete High Performance Coatings

Outgassing is caused by air trapped in the voids of the concrete, and when the temperature rises, the air within the concrete seeks equilibrium with the surrounding air, you get outgassing. Solution Rough up coating with 60 grit screen or sandpaper to remove large craters and fish eyes. You may need to fill the large holes with more material.

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Vertical or Diagonal Cracks Basement Repair Tips

Vertical or Diagonal Cracks. Vertical cracks are often caused by the shrinking of concrete as it cures; if the edges of a small crack feel even as you run your fingers along the sides, this is likely the reason why. However, it's always a good idea to have a professional look at the problem, so you can be sure that the problem is not major before it gets much worse.

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How to Solve Common Concrete Problems in Construction

Nov 20, 2019 · One of the most repeated problems in concrete is crazing. Crazing occurs when the surface shows several interconnected fine cracks or when the cement paste comes up to the surface and shrinks. Although the concrete strength probably is not affected, cracks will

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Enclosure 2 EDF 8724 TMI HSM World of Concrete

concrete coating (coating meaning any type of material being marketed to prevent water penetration of exhibitors were anxious and willing to provide products to seal the concrete and cracks but none were Repairing cracking and spalling concrete without understanding and correcting the causes

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Effective Repairs for Leaking Swimming Pools Concrete

Some causes of leaks are errors in structural design- these result in the most serious kind of leak, and the most expensive to repair; settlement of the pool shell- settlement due to ground movement is likely to cause cracking in walls or floor or both and is usually expensive to repair; cracking from thermal or shrinkage stresses- cracks occur when stresses exceed the tensile strength; cold joints or weak

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