All Topics / Value Adding / Stucco on Hebel-Does anyone have experience?

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  • Profile photo of daviddeannodaviddeanno
    Member
    @daviddeanno
    Join Date: 2009
    Post Count: 4

    Hi everyone,

    Was wondering if anyone has experience with stucco on Hebel (Aerated Concrete Block).

    I have been told to use acrylic render rather than a cement based render but when googleing the topic there seem to be a lot of people recommending stucco.

    Does anyone have any experience with either of these?

    STUCCO MIX

    For a scratch coat, you will need this mixture:

     

    window.google_render_ad();

    1 part portland cement

    1 part hydrated lime

    2 1/2 to 4 parts sand

     

    For a brown coat, you will need:

    1 part portland cement

    1 part hydrated lime

    3 1/2 to 5 parts sand

     

    Finish coat ingredients:

    1 part portland cement

    1 part hydrated lime

    1 1/2 to 3 parts sand

     

     

    Profile photo of harbharb
    Member
    @harb
    Join Date: 2006
    Post Count: 324
    daviddeanno wrote:
    Hi everyone,

    Was wondering if anyone has experience with stucco on Hebel (Aerated Concrete Block).

    I have been told to use acrylic render rather than a cement based render but when googleing the topic there seem to be a lot of people recommending stucco.

    Does anyone have any experience with either of these?

    STUCCO MIX

    For a scratch coat, you will need this mixture:

     

    window.google_render_ad();

    1 part portland cement

    1 part hydrated lime

    2 1/2 to 4 parts sand

     

    For a brown coat, you will need:

    1 part portland cement

    1 part hydrated lime

    3 1/2 to 5 parts sand

     

    Finish coat ingredients:

    1 part portland cement

    1 part hydrated lime

    1 1/2 to 3 parts sand

     

    Did a Hebel fence couple of years back but I used 1p cream cement, 1p hy lime and 3 parts sand for all 3 coats, to give it a limestone finish.

    Long ago I also did a retaining wall using clay bricks, a quick cement render followed by acrylic render. I didn't moisture proof the back of the wall properly and soon after the water pressure behind the wall caused the acrylic render to start bubbling and peel off.  I scraped it all up and redone it with thin coat of cement render (1p cement , 1.5p sand) and 20 years on its still intact.

    cheers

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