News / salt attack in brickwork

• Jan 20, 2014

  Rising Damp and Salt Attack - free PDF

  We have recommended this publication on our blog previously: Salt Attack and Rising Damp - A Guide to Salt Damp in Historic and Older Buildings. Salt attack is as destructive to masonry as termites are to timber, and is prone to occur on any building site in Australia due to our soils and extreme weather patterns. As salt is dissolved by water and absorbed by masonry, the water evaporates, leaving behind more and more salt with each wet cycle. Salt crystallises to expand at extraordinary pressure   (> 200MPa) to easily turn stone, bricks and mortar to dust. As outlined...

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• Oct 22, 2013

  Brick Mart now stocking Efflock

  Brick Mart in Brookvale (Northern Beaches in Sydney) are the latest building supplies store to carry Efflock. Brick Mart is a most impressive one stop shop for all bricklaying tools and supplies. Brick Mart carry everything from a full range of bricks, to scaffolding, tools, sand and cement. Efflock was recommended to Brick Mart by the boys at TMT Building, who are currently working together on a multi-unit development in Manly, on the Northern Beaches of Sydney. TMT Building was one of the first building companies to use Efflock, and now include Efflock in all their building specification from bathrooms...

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• Oct 09, 2013

  Efflock to present to Master Builders Association - Manly Warringah Division.

  Efflock will be a guest speaker at tomorrow night's meeting of Manly Warringah Division of the Master Builders Association. Click on the link for details and to book. All are welcome to attend and building professionals can collect 2 CPD points for attending.  Efflock also presented to the Southern Highlands Division of the MBA in Goulburn last night. Despite a blackout making the presentation a bit of a challenge, the product received a great deal of interest from local builders, in particular for bathrooms and for building in saline environments. 

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• Jun 13, 2013

  Efflock ideal for building in high saline areas

  I gave a talk about Efflock to local builders at a Master Builders Association meeting out at Campbelltown last week. An interesting problem was raised, which I have touched on briefly in a previous blog.  A builder at the meeting told me that the soil in the Camden area south west of Sydney is notorious for high salinity. The high salt content presents major problems for standard construction where rising damp can have very damaging effects on brickwork below the DPC or 'Damp Proof Course' level. The DPC is typically located around floor level, meaning that numerous courses of bricks...

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• Oct 27, 2012

  Efflock test with salt water samples

  We've put Efflock to the test with exactly what you should not do to concrete! Pictured are two samples of 4 sand: 1 cement each made with 140mls of straight sea water from Coogee Bay off the coast of Sydney. They have been cured and placed in a dish of water to test their water repellency. In the foreground is the Efflock sample. Even with salt water in the concrete mix there is clearly no wicking effect! Without water able to dissolve salts and free lime, efflorescence cannot occur.

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