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  1. #1
    Join Date
    May 2007
    Location
    Altona Vic
    Posts
    66

    Default White coloured mortar

    I've always loved the look of bright white mortar, especially when it's next to nice red bricks. When I've done bricklaying in the past, I have just used the normal ingredients and get that typical light grey colour.

    I would like to start using white mortar; what do I use to achieve this? Is it a different type of cement, or is it a different type of sand? I know oxides would also change the colour, however I'd much prefer to achieve white mortar without using oxides.

    Many thanks,

    Zac

  2. #2
    Join Date
    Mar 2007
    Location
    Canberra
    Age
    63
    Posts
    64

    Default

    It's a different cement.

    Cheers,
    Adam

  3. #3
    Join Date
    May 2007
    Location
    Bundoora, Melbourne
    Posts
    197

    Default

    white brick sand, white cement, and lime all make a white mortar

    Same 6:1:1 sand/cement/lime standard mortar mix
    Planned Landscape Constructions
    www.plannedlandscape.com.au

  4. #4
    Join Date
    Nov 2005
    Location
    Kilsyth
    Age
    66
    Posts
    300

    Default

    Quote Originally Posted by Planned LScape View Post
    white brick sand, white cement, and lime all make a white mortar

    Same 6:1:1 sand/cement/lime standard mortar mix
    that would be using Brighton Lite, which is actually an off white cement, you can get pure white, but it is about 3 times the price of the off white... having said that, off white cement with white brick sand is what is normally used

  5. #5
    Join Date
    May 2007
    Location
    Altona Vic
    Posts
    66

    Default

    Thanks for the advice guys, I should be right now.

  6. #6
    Join Date
    Feb 2008
    Location
    Aust
    Posts
    192

    Default

    Most bricklaying mortars are 6 sand, 1 cement, 1 lime

    White washed sand, White cement, lime will give you a very stark white mortar

    White washed sand is very hungry too.

    Off white cement will be either a Ice Blue or Ice Green clinker. Mixed with white washed sand you will get either a green or blue tint mortar.

    If I was to do my own house, I would use 3 white washed sand, 3 yellow plasterers sand, 1 white cement, 1 lime all guaged with a bucket.

    White white is a bit stark in my eyes. The plasterers sand tones it down a little.

    Both white washed sand & Plasterers sand are harsh aggregates with little loam. The loam tints the mortar yellow a little especially when it gets wet.
    You may have to put a "small" (under dose with some aeration agent) "clear calair" amount to increase the workability with the harsh aggregates.

    Some blended cements have higher fly ash content which produces a silver finish. Hydrochloric acid doesn't react with fly ash to well either so harder to clean.

    Ideally a white sand of 60 microns is good but that is an expensive exercise.

    Do a sample panel to see what "you" like.
    c2=a2+b2;
    When buildings made with lime are subjected to small movements thay are more likely to develop many fine cracks than the individual large cracks which occur in stiffer cement-bound buildings. Water penetration can dissolve the 'free' lime and transport it. As the water evaporates, this lime is deposited and begins to heal the cracks. This process is called autogenous healing.

  7. #7
    Join Date
    Nov 2005
    Location
    Kilsyth
    Age
    66
    Posts
    300

    Default

    Quote Originally Posted by autogenous View Post
    Most bricklaying mortars are 6 sand, 1 cement, 1 lime
    White washed sand, White cement, lime will give you a very stark white mortar
    White washed sand for kids sand pits... white brick sand for mortar ) (at least in this neck of the woods... ok, triple washed for kids sand pits if ya going to be picky

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