efflorescence in manufactured concrete products

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Efflorescence in Manufactured Concrete Products ...

Efflorescence in Manufactured Concrete Products (Prevention Guidelines) Overview Countless papers have been written over the years and a great deal of research has been performed to analyze the age old problem of efflorescence in manufactured concrete products. This document summarizes some of the most recent information and gives best practices for avoiding the potential for efflorescence ...

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Efflorescence on concrete products – causes and ...

Efflorescence today still repeatedly presents a problem for the acceptance of concrete products. Stone surfaces with light discolouring or grey to yellowish-brown surfaces are still frequently encountered, particularly on earth-moist manufactured concrete products such as e.g. concrete paving stones. While these do not have a negative influence on the quality of the paving stones, they still ...

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Efflorescence Pavingexpert

Better quality paving materials are manufactured using a better quality concrete, which usually has a higher cement content relative to 'budget' products, and so, perversely, efflorescence can affect the better quality products more severely than the 'economy' alternatives. Some manufacturers try to work around this by replacing some of the cement content with alternatives, such as Pulverised ...

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(PDF) Efflorescence on concrete products - Causes and ...

The problems of the occurrence of efflorescence on the surface of buildings’ exterior walls made of vibropressed concrete blocks and the methods of blocking these processes Article Nov 2012

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Efflorescence Phenomenon on Concrete Structures ...

Since the introduction of modern pigmented concrete products in the early 1950s, coloured concrete products have opened new possibilities in the field of building and landscape design and ironically to a new visible phenomenon called efflorescence. Unfortunately, despite careful selection of raw materials and conscientious compliance with the production parameters, colour changes of the ...

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(PDF) Efflorescence Phenomenon on Concrete Structures

01/01/2013  definition of efflorescence in the point o f view of engineers. Terminolo gy (AC I 116 R-90) defines. efflorescence as “ a deposit of salts, usuall y white, formed on a surface, the substance ...

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Everything you need to know about concrete efflorescence

There are two main types of efflorescence that affect concrete. Primary efflorescence – salt in concrete or clay products is dissolved or carried by capillary action to the surface by water and left when the water evaporates. This type of efflorescence generally occurs for about 2 to 3 years and reduces naturally as the available salts are ...

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US20060054056A1 - Process for producing manufactured ...

A process to manufacture concrete products with reduced or no efflorescence by using one or more chemicals that can act as water absorbents, which can be absorbents, super absorbents, or thickeners, either alone or in combination with other common concrete additives. A liquid color preparation and a granular color preparation with integrated water absorbents are also disclosed.

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CONTROL AND REMOVAL OF EFFLORESCENCE - NCMA

The individual elements and compounds associated with efflorescence may be present in concrete masonry units, mortar and grout. However, efflorescence of masonry is generally attributed to water soluble sodium, potassium and calcium. These solutions either precipitate as hydroxides or combine with atmospheric carbon dioxide and sulfur trioxide. The compounds produced by the combination of ...

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Process for producing manufactured concrete products with ...

Process for producing manufactured concrete products with reduced efflorescence May 24, 2005 - A process to manufacture concrete products with reduced or no efflorescence by using one or more chemicals that can act as water absorbents, which can be absorbents, super absorbents, or thickeners, either alone or in combination with other common concrete additives.

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Efflorescence on concrete products – causes and ...

Efflorescence today still repeatedly presents a problem for the acceptance of concrete products. Stone surfaces with light discolouring or grey to yellowish-brown surfaces are still frequently encountered, particularly on earth-moist manufactured concrete products such as e.g. concrete paving stones. While these do not have a negative influence on the quality of the paving stones, they still ...

Get Price

US20060054056A1 - Process for producing manufactured ...

A process to manufacture concrete products with reduced or no efflorescence by using one or more chemicals that can act as water absorbents, which can be absorbents, super absorbents, or thickeners, either alone or in combination with other common concrete additives. A liquid color preparation and a granular color preparation with integrated water absorbents are also disclosed.

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Process for producing manufactured concrete products with ...

The present invention relates to a method to reduce efflorescence in manufactured concrete products with one or more chemicals that can act as water absorbents, super absorbents, or thickeners, either alone or in combination with other common concrete additives. Concrete is a well-proven and widely used material in construction, which in its form of decorative concrete also satisfies aesthetic ...

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Efflorescence - Introduction, Treatment, Examples and FAQs

Calcium hydroxide Ca(OH)₂, one of the hydration products that is slightly soluble in water, ... Three key factors contribute to the formation of efflorescence on concrete and brick masonry walls. The following are the conditions: Soluble salts could be present in concrete and brick masonry walls, and the salts could be found in masonry brick, mortar, adjacent dirt, and backing material ...

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(PDF) EFFLORESCENCE ON CONCRETE - A TEMPORARY

EFFLORESCENCE ON CONCRETE - A TEMPORARY PROBLEM. Metmati Abderrahmane. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 23 Full PDFs related to this paper. Read Paper. EFFLORESCENCE ON CONCRETE - A TEMPORARY PROBLEM. Download ...

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Efflorescence removal for brick, grout, stone, etc.

Efflorescence can be heavy as shown in these pictures or very light deposits in the pores of concrete products (block, manufactured stone, brick, pavers) that creates the appearance of fading. Where it comes from! -- How to remove it! -- How to stop it! Where does it come from? Two conditions must be present to create efflorescence: 1. A source of water soluble salts. 2. Water moving through ...

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What Is Efflorescence How To Prevent It - CPC Products

22/08/2018  Efflorescence is a common issue that most homeowners and commercial buildings experience if the structure is made out brick, tiles, concrete or other masonry materials. It can diminish the aesthetic look of a home or business building, but it’s something you can fix. In this post we explain what exactly efflorescence is, how it’s formed, how you can remove it from the surface and treat the ...

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Basement Questions: Efflorescence

Efflorescence is a common problem in concrete and masonry block foundations. The white fuzzy stuff you see along the inside and outside of your basement wall is efflorescence. Don't worry this annoying build up isn't hazardous; efflorescence is simply salt and can be easily removed with efflorescence removers and other cleaning techniques. More than anything, if you see efflorescence it means ...

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Home - Procter Johnson

A 100% active concrete admixture designed to offer plasticising action, and both primary and secondary efflorescence control in semi dry concrete products. Possessing unique reactive and chemisorptive chemistry, Krete Control 290 will provide superior efflorescence protection in concrete block, pavers, roof tiles and retaining wall units at low dosage rates.

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Kingston Concrete Facing Brick - Manufacturers of Paving ...

The cause of efflorescence is simply a chemical reaction between the cement in the concrete and rainwater causing the formation of calcium carbonate. This white, crystalline substance stains the surface and spoils the appearance of the paving. In the Tobermore manufacturing process, we cure our products in a warm vapour atmosphere for 12 hours ...

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Efflorescence on Concrete - Causes, Prevention and Removal ...

The formation of efflorescence in concrete is factored by many external factors. Presence of salts in one of the materials of concrete. Commonly salts are found in the fine aggregate or sand taken from the river beds. If the concrete is not cured properly, the hydration process is incomplete on which the un-hydrated products

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Efflorescence - Introduction, Treatment, Examples and FAQs

Calcium hydroxide Ca(OH)₂, one of the hydration products that is slightly soluble in water, ... Three key factors contribute to the formation of efflorescence on concrete and brick masonry walls. The following are the conditions: Soluble salts could be present in concrete and brick masonry walls, and the salts could be found in masonry brick, mortar, adjacent dirt, and backing material ...

Get Price

Efflorescence removal for brick, grout, stone, etc.

Efflorescence can be heavy as shown in these pictures or very light deposits in the pores of concrete products (block, manufactured stone, brick, pavers) that creates the appearance of fading. Where it comes from! -- How to remove it! -- How to stop it! Where does it come from? Two conditions must be present to create efflorescence: 1. A source of water soluble salts. 2. Water moving through ...

Get Price

What Is Efflorescence How To Prevent It - CPC Products

22/08/2018  Efflorescence is a common issue that most homeowners and commercial buildings experience if the structure is made out brick, tiles, concrete or other masonry materials. It can diminish the aesthetic look of a home or business building, but it’s something you can fix. In this post we explain what exactly efflorescence is, how it’s formed, how you can remove it from the surface and treat the ...

Get Price

Efflorescence: Cause and Control - Masonry Institute

Efflorescence: Cause and Control1 ef-jlo-res-cence (ef' le res 'ens), 1. a change on the surface to a powdery substance upon exposure to air, as a crystalline substance through loss of water. 2. to become incrusted or covered with crystals of salt or the like through evaporation or chemical change. Efflorescence is the stubborn problem that has caused confusion and trouble for masonry since ...

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What is Efflorescence? How to Prevent it and Remove it ...

07/10/2019  Efflorescence is a crystalline deposit of salts that can form when water is present in or on brick, concrete, stone, stucco or other building surfaces. It has a white or greyish tint and consists of salt deposits left behind when water evaporates. In addition, efflorescence can appear as a powdery substance on floors and walls and requires special care to treat.

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Basement Questions: Efflorescence

Efflorescence is a common problem in concrete and masonry block foundations. The white fuzzy stuff you see along the inside and outside of your basement wall is efflorescence. Don't worry this annoying build up isn't hazardous; efflorescence is simply salt and can be easily removed with efflorescence removers and other cleaning techniques. More than anything, if you see efflorescence it means ...

Get Price

Home - Procter Johnson

A 100% active concrete admixture designed to offer plasticising action, and both primary and secondary efflorescence control in semi dry concrete products. Possessing unique reactive and chemisorptive chemistry, Krete Control 290 will provide superior efflorescence protection in concrete block, pavers, roof tiles and retaining wall units at low dosage rates.

Get Price

efflorescence on decorative concrete Manufacturers and ...

Search results for efflorescence on decorative concrete on the Dodge Data Analytics Sweets Network. Download CAD, Specs, 3D, BIM and green product information. Home; Login; Register; Sweets ™ BROWSE PRODUCTS. 01 - General Requirements; 02 - Existing Conditions; 03 - Concrete; 04 - Masonry; 05 - Metals; 06 - Wood, Plastics, and Composites; 07 - Thermal and Moisture Protection; 08

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Concrete Block Paving ReadyPave Camden CEMEX UK

EFFLORESCENCE. Efflorescence or ‘lime bloom’ is a naturally occurring phenomenon, which can sometimes occur in concrete products due to the use of naturally sourced raw materials. The phenomenon may have the appearance of a milky white bloom on the surface of the product and an apparent loss of intensity of colour may occur. Efflorescence disappears with time and is in no way

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