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  1. #1
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    Default Hardiplank Painting Advice.

    Hi all,
    finished new room, new James Hardie hardiplank woodgrain.
    Cannot find advice on whether to prime or not, any advice on painting ? weather is overcast, drizzly, damp.
    Presume latex primer acrylic colour.
    Thanks.

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  3. #2
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    Hardi siding products on this side all come primed. If the surface is yellow it's primed. Make sure you use an appropriate sealant, painters Alex won't do it. I prefer oil for exterior durability. The better latex primers (Kilz) work well.
    Innovations are those useful things that, by dint of chance, manage to survive the stupidity and destructive tendencies inherent in human nature.

  4. #3
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    Cheers Rob,
    downunder, I think all are primed (within 90 days of production) never seen yellow, must be a US type.

    Be warned ! Hardies spec sheet advises NOT to use oil based for cement sheeting, will maybe peel and bubble over time.

    The spec sheet is otherwise very brief on types of finishes......
    Cheers fro downunder.

  5. #4
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    2 coats acrylic semi gloss. Just doing the external of my house using Haymes paint, after 50+ yrs in the building game Haymes is the BEST paint I have ever used.
    Brush, do not roll or spray, brush is the only method to get a GOOD keying of the paint into the surface of the the hardiplank. If the planks are mildly damp (not saturated) its a bonus as the paint wicks into the body of the material. As a point of interest, when painting hardiplank or any fibrous based sheeting in very hot conditions, use a misting spray bottle ahead of where your working and it slows the too rapid drying of the paint (stops it keying and bonding effectively to the material) and as said above aids keying of the paint to the cladding
    The person who never made a mistake never made anything

    Cheers
    Ray

  6. #5
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    Quote Originally Posted by rod222 View Post
    never seen yellow, must be a US type.

    Be warned ! Hardies spec sheet advises NOT to use oil based for cement sheeting, will maybe peel and bubble over time.

    .
    All of the lap and sheet type Hardie sidings and trims are yellow primed here.

    The bit on oils on un-primed siding is new to me. Last I checked the installation instructions there was no mention. The section of caulks has also been updated in the past year or so to include more permitted options.
    Innovations are those useful things that, by dint of chance, manage to survive the stupidity and destructive tendencies inherent in human nature.

  7. #6
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    Thanks rwbuild, put my mind at rest, shall try to see if Bunnings have "Haymes"

    Rob, I owe you an apology, it was the oil based stains, I mis-read.
    Our specs...WA=Western australia

    20190616 8390.jpg

  8. #7
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    I wonder if the old traditional primer for concrete, shellac, would work on Hardie products.
    Innovations are those useful things that, by dint of chance, manage to survive the stupidity and destructive tendencies inherent in human nature.

  9. #8
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    rwbuild,
    success, I live in country West Australia, and a store in the next town, supplies Haymes.
    y roof and furniture are predominently classic cream choosing Haymes "Graphite Grey" (Satin) for the Hardiplank
    again, thanks for your advice.

    Haymes image, not my house.
    20190616 8394 haymes graphite grey.jpg

  10. #9
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    Just an aside, my builder chose varnished Jarrah battens, on abutting hardiplank corners, looks swish!

    SDC10529.JPG

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