{"id":2219,"date":"2021-03-04T09:16:38","date_gmt":"2021-03-04T09:16:38","guid":{"rendered":"https:\/\/terraco.e8demo.com\/beta\/?p=2219"},"modified":"2021-03-25T11:58:40","modified_gmt":"2021-03-25T11:58:40","slug":"anti-carbonation-systems","status":"publish","type":"post","link":"https:\/\/www.terraco.com\/za\/anti-carbonation-systems\/","title":{"rendered":"Anti-carbonation Systems"},"content":{"rendered":"<p>The major causes of concrete decay in reinforced concrete is carbonation caused by Carbon Dioxide (CO\u2082) in the atmosphere reducing the alkalinity of concrete making it susceptible to attack by water and oxygen, causing corrosion of the steel and eventually spalling of the concrete. Sulphates from motor vehicle exhausts and chlorides from de-icing salts also contribute to concrete degradation.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.terraco.com\/za\/images\/Carpark.jpg\" alt=\"\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2220\" src=\"https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Carpark.jpg\" alt=\"\" width=\"992\" height=\"550\" srcset=\"https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Carpark.jpg 992w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Carpark-300x166.jpg 300w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Carpark-768x426.jpg 768w\" sizes=\"auto, (max-width: 992px) 100vw, 992px\" \/><\/p>\n<p><strong>Terraco Vapogard\u2122 AC220<\/strong>\u00a0is a high performance anti-carbonation system which concentrates on using barrier coatings to protect concrete from the ingress of water and CO\u2082. Terraco\u2019s system also understands that it is necessary for anti-carbonation coatings to be breathable which allows the free passage of moisture vapour, keeping the surfaces drier and free from the build-up of moisture which can enable diffusion of CO\u2082 and chlorides more easily into the concrete.<\/p>\n<p>This 100% pure acrylic, waterbased, ultra-low VOC coating, is suitable for use on exterior and interior surfaces of concrete and anti-rust primed steel. Over and above protecting concrete from carbonation (anti-carbonation coating) the product provides outstanding protection to the substrate against UV rays.<\/p>\n<p><strong>Causes of decay in concrete<br \/>\n<\/strong>Concrete has a high alkalinity, typically pH12 and pH13, which provides a protective passivation layer around the steel reinforcing bars, preventing corrosion. However, with the ingress of carbon dioxide over time if the concrete is not protected, it has the effect of reducing the alkalinity of the concrete to a pH of 9 and below leading to spalling concrete.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2221 size-medium\" src=\"https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Causes-300x238.jpg\" alt=\"\" width=\"300\" height=\"238\" srcset=\"https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Causes-300x238.jpg 300w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Causes-1024x811.jpg 1024w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Causes-768x609.jpg 768w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Causes.jpg 1156w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>The main causes of concrete decay are:<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Weathering [wind and water (H<sub>2<\/sub>O)] leading to erosion<\/li>\n<li>Atmospheric pollutants (carbon dioxide and sulphur dioxide)<\/li>\n<li>Chlorides in solution (de-icing salts and salt water)<\/li>\n<li>Lack of sufficient concrete cover<\/li>\n<li>Poor quality concrete (cracks, honeycombing etc.)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Benefits<\/strong><\/p>\n<ul>\n<li>Weather resistant<\/li>\n<li>Pollution resistant<\/li>\n<li>Anti-carbonation<\/li>\n<li>UV resistant<\/li>\n<li>Ultra-low VOC (Less than 5g\/L) (USEPA 24)<\/li>\n<li>Interior and exterior application<\/li>\n<li>Matt finish when dry<\/li>\n<li>Water based<\/li>\n<li>Ease of application<\/li>\n<li>Extensive colour range<\/li>\n<\/ul>\n<p><strong>Areas of use<\/strong><br \/>\nVapogard AC220 can be used on new or old surfaces of concrete, brickwork, plasterwork, plywood, galvanised steel and anti-rust primed steel.<\/p>\n<p>Suitable for:<\/p>\n<ul>\n<li>Car park walls and ceilings<\/li>\n<li>Concrete civil structures<\/li>\n<li>Concrete bridges<\/li>\n<li>Concrete jetties<\/li>\n<li>Concrete viaducts<\/li>\n<li>Concrete soffits<\/li>\n<\/ul>\n<p><strong>VAPOGARD AC220 SYSTEM<\/strong><\/p>\n<p><strong>Surface Preparation:\u00a0<\/strong><strong>New Exterior \/ Interior Surfaces<br \/>\n<\/strong><\/p>\n<p>Ensure that all dust dirt and foreign matter is scraped and brushed away. Ensure that all surfaces are free from salts, oil, grease and ridges. Repair all cracks, chips, voids and damages with:<\/p>\n<ul>\n<li>Terraco Handycoat Exterior for exterior surfaces;<\/li>\n<li>Terraco Handycoat Interior for interior surfaces.<\/li>\n<\/ul>\n<p class=\"Default\"><img decoding=\"async\" class=\"download\" src=\"https:\/\/www.terraco.com\/za\/images\/Vapogard_Surface%20preparation-01.jpg\" alt=\"\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2228\" src=\"https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Surface-preparation-01.jpg\" alt=\"\" width=\"2438\" height=\"882\" srcset=\"https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Surface-preparation-01.jpg 2438w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Surface-preparation-01-300x109.jpg 300w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Surface-preparation-01-1024x370.jpg 1024w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Surface-preparation-01-768x278.jpg 768w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Surface-preparation-01-1536x556.jpg 1536w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Surface-preparation-01-2048x741.jpg 2048w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Surface-preparation-01-1568x567.jpg 1568w\" sizes=\"auto, (max-width: 2438px) 100vw, 2438px\" \/><\/p>\n<p class=\"Default\">Read more on the\u00a0<a href=\"https:\/\/www.terraco.com\/za\/solutions\/concrete-protection\/\">Terraroc Concrete Repair<\/a>\u00a0range.<\/p>\n<p class=\"Default\"><img decoding=\"async\" class=\"download\" src=\"https:\/\/www.terraco.com\/za\/images\/Vapogard_Application-01.jpg\" alt=\"\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2227\" src=\"https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Application-01.jpg\" alt=\"\" width=\"2438\" height=\"949\" srcset=\"https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Application-01.jpg 2438w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Application-01-300x117.jpg 300w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Application-01-1024x399.jpg 1024w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Application-01-768x299.jpg 768w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Application-01-1536x598.jpg 1536w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Application-01-2048x797.jpg 2048w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Application-01-1568x610.jpg 1568w\" sizes=\"auto, (max-width: 2438px) 100vw, 2438px\" \/><\/p>\n<p class=\"Default\"><strong>Quick Guide<\/strong><br \/>\n<img decoding=\"async\" class=\"download\" src=\"https:\/\/www.terraco.com\/za\/images\/Vapogard_Quick%20Guide.jpg\" alt=\"\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2226\" src=\"https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Quick-Guide.jpg\" alt=\"\" width=\"2420\" height=\"1159\" srcset=\"https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Quick-Guide.jpg 2420w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Quick-Guide-300x144.jpg 300w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Quick-Guide-1024x490.jpg 1024w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Quick-Guide-768x368.jpg 768w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Quick-Guide-1536x736.jpg 1536w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Quick-Guide-2048x981.jpg 2048w, https:\/\/www.terraco.com\/za\/wp-content\/uploads\/2021\/03\/Vapogard_Quick-Guide-1568x751.jpg 1568w\" sizes=\"auto, (max-width: 2420px) 100vw, 2420px\" \/><\/p>\n<p>These high performance anti-carbonation coating systems which use Vapogard AC220 as the finishing coat, provide long-term protection to concrete structures, both internally and externally.<\/p>\n<p>Please contact your Terraco representative for further technical information.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The major causes of concrete decay in reinforced concrete is carbonation caused by Carbon Dioxide&#8230;..<\/p>\n","protected":false},"author":1,"featured_media":1761,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2219","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.2 - 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