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The Best Way to Add Concrete to Existing Concrete - wikiHow

Mar 28, 2019 · How to Add Concrete to Existing Concrete. No matter how strong a slab of concrete seems, it will wear out over time. Imperfections form when concrete hardens or sinks into the ground. Adding fresh concrete is a common way to level out old...

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Bonding To Existing Concrete | Sakrete

If too much water is lost into the old concrete there will not be enough water to hydrate all of the cement particles and a lower strength material will be the result. Concrete simply will not bond to all substances. Paint, oil, glue from old flooring tiles are just a few. You must mechanically remove these materials if you want the job to last.

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Portland cement - Wikipedia

Portland cement is the most common type of cement in general use around the world as a basic ingredient of concrete, mortar, stucco, and non-specialty grout.It was developed from other types of hydraulic lime in England in the mid 19th century, and usually originates from limestone.It is a fine powder, produced by heating limestone and clay minerals in a kiln to form clinker, grinding the ...

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Renew Your Concrete Patio: How to Stain Concrete

Let the stain concrete dry for 24 hours, then apply a sealer to keep the stain from fading. Plan on rolling on a new coat of sealer every three to four years to protect the surface. The manufacturer says the sealing step is optional, but we recommend it because it protects against fading and wear, and it enhances the stain.

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Cement - Wikipedia

Cement is seldom used on its own, but rather to bind sand and gravel together. Cement mixed with fine aggregate produces mortar for masonry, or with sand and gravel, produces concrete. Cement is the most widely used material in existence and is only behind water as the planet's most-consumed resource.

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Myths About Concrete Moisture Testing | Wagner Meters

Two years ago, my 40 year old house on a concrete slab flooded (6 inches of water for a few hours). Following a 6 month drying out period, new wood flooring was installed where carpet once existed. Now, in selected areas, moisture from the slab has stained the wood and required the removal of a very minor portion of the flooring.

Myth #1: If The Surface Is Dry, The Slab Is dry.For most slabs that dry from one side, the surface is the only escape route for the moisture in a drying concrete slab. As moisture evaporates away...Myth #2: All Floor Products Have Similar Moisture Tolerances.At one time, flooring adhesives or some flooring materials were more consistent in their moisture tolerances because most products had a petroleum-...Myth #3: The Concrete Is "Old" So It Has to Be dry.Even when a concrete slab has been in service for years, it's still possible that moisture levels within the slab are high.Unfortunately, it's not...Myth #4: The Slab Is Not on Grade So I Don'T Need to Do Moisture Testing.All concrete is affected by ambient conditions, and all concrete is susceptible to moisture-related complications if not adequately tested before t...Myth #5: Surface Testing Gives A Final Moisture level.As was discussed above, any test method that relies on surface conditions is at risk of producing a false reading.There are three current test meth...RH Testing Is Accurate and AffordableWhen planning to install any type of flooring or finishing product over a concrete floor, only accurate RH testing, like with the Rapid RH® 4.0 EX,...Get Price
86 Year Old Man Mixing Concrete the Easy Way! - YouTubeClick to view on Bing3:31

Nov 20, 2010 · Abner is 86 years old and shows how to mix concrete the easy way by using the Reusable Concrete Mixing Bag!

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do it yourself divas: Make New Concrete Match Old Concrete

We decided to expand them and discovered a way to make the old concrete match the new concrete. It's called Concrete Resurfacer. You can buy it at Home Depot, Lowes, and even Amazon. Now you can do any concrete project and make it match your existing concrete! My driveway might be next on the list since it's really worn out.

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How to Prepare an Old Concrete Garage Floor for Paint ...

You can brighten up your old garage floor with a paint job that will stand up to the wear and tear of garage use, including car tire traffic. Before tackling this job, test your old concrete ...

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Cement City, Michigan - Wikipedia

Cement City is a home rule village. Per its charter, there is a council with five elected members. Per its charter, there is a council with five elected members. Three councilors are up for election every two years, with the top two vote-getters serve three terms while the third highest serves a two-year terms.

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Renovating a 100 year old basement – Raam Dev

Mar 02, 2006 · My wife and I bought a 100 year old home last year and I have been wanting to start exactly what you have done. My project will be a bit more labor intensive as I will not only be digging 2′ deeper in a 35′ x 45′ basement, but also removing 3 old foundation walls left over from past additions.

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Long Lasting Concrete Patch - askthebuilder

AsktheBuilder: Long lasting concrete repairs depend on bonding the new patch to the old concrete. Concrete crack repairs depends on the weather. If you have a large concrete driveway repair, you should pin the patch.

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The Disadvantages of Pouring Concrete Over Existing ...

A well-poured concrete slab with a deep, sturdy foundation can last for 30 to 40 years. Pouring concrete over old concrete instead of directly over a new gravel foundation limits your ability to maximize the slab's lifespan. The condition of the existing slab is the primary factor that determines how long the new concrete will last.

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Concrete Compressive Strength Variation with Time

The different effects on concrete strength with age are explained in this section. Variation of Concrete Strength with Time. As per studies and researches, the compressive strength of the concrete will increase with age.

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History of Concrete - Concrete and Cement History Timeline ...

This is an interactive timeline covering the history of cement and concrete. It spans over 5,000 years, from the time of the Egyptian Pyramids to present day decorative concrete developments. Concrete has been used for many amazing things throughout history, including architecture, infrastructure and more.

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How to Renew Concrete Surfaces | This Old House

Patch all cracks, crevices, and holes in the old concrete surface. For hairline cracks up to 1/8 inch wide, mix four parts of Ardex Concrete Dressing to one part water. Force the thick paste into the cracks with a putty knife. For larger cracks up to 1/2 inch wide, use concrete-repair caulk. ... Step Seven // How to Renew Concrete Surfaces ...

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How to Clean an Older Concrete Slab Before Applying Acid ...

Cleaning an old concrete slab so it will take an acid stain can be very difficult, but it is possible. The main thing is to NOT use any kind of acid wash or etching solution (including muriatic acid) to clean the slab. The stain will not take at all if you use acid as a cleaner. A solution of TSP ...

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How to Paint a Concrete Patio With Tutorial & Tips

May 08, 2018 · The patio itself is 40 years old this June! So, while it is totally functional the concrete has seen better days. and #reallife – since it is just after winter, .

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The History of Concrete - InterNACHI

Before Portland cement was discovered, and for some years afterward, large quantities of natural cement were used, which were produced by burning a naturally occurring mixture of lime and clay. Because the ingredients of natural cement are mixed by nature, its properties vary widely. Modern Portland cement is manufactured to detailed standards.

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The History of Concrete and Cement - ThoughtCo

Cement is thought to be older than humanity itself, having formed naturally 12 million years ago, when burnt limestone reacted with oil shale. Concrete dates back to at least 6500 BCE when the Nabatea of what we know now as Syria and Jordan used a precursor of modern-day concrete to build structures that survive to this day.

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