How can you spray thick exterior paint?

Discussion in 'Misc DIY' started by 405 TD Estate, Sep 21, 2007.

  1. I would like to paint the outside of the rear of my house (front
    already done when I moved in) and have a compressor and spray gun.

    The gun is very poor at spraying thick paint or even fencing paint/
    protector.

    What do i need to spray thick paint? Would a spray gun with the bottle
    on top of the gun work? (the bottle is on the bottom of my gun)
     
    405 TD Estate, Sep 21, 2007
    #1
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  2. 405 TD Estate wrote:
    > I would like to paint the outside of the rear of my house (front
    > already done when I moved in) and have a compressor and spray gun.
    >
    > The gun is very poor at spraying thick paint or even fencing paint/
    > protector.
    >
    > What do i need to spray thick paint? Would a spray gun with the bottle
    > on top of the gun work? (the bottle is on the bottom of my gun)
    >

    Bigger gun.
     
    The Natural Philosopher, Sep 21, 2007
    #2
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  3. 405 TD Estate

    adder1969 Guest

    On Sep 21, 12:19 pm, 405 TD Estate <> wrote:
    > I would like to paint the outside of the rear of my house (front
    > already done when I moved in) and have a compressor and spray gun.
    >
    > The gun is very poor at spraying thick paint or even fencing paint/
    > protector.
    >
    > What do i need to spray thick paint? Would a spray gun with the bottle
    > on top of the gun work? (the bottle is on the bottom of my gun)


    In my limited experience, you need to thin it down and/or use
    something more a kin to a parafin sprayer and/or get a HVLP system.
     
    adder1969, Sep 21, 2007
    #3
  4. 405 TD Estate

    nice1 Guest

    405 TD Estate wrote:
    > I would like to paint the outside of the rear of my house (front
    > already done when I moved in) and have a compressor and spray gun.
    >
    > The gun is very poor at spraying thick paint or even fencing paint/
    > protector.
    >
    > What do i need to spray thick paint? Would a spray gun with the bottle
    > on top of the gun work? (the bottle is on the bottom of my gun)
    >

    Hi there

    don't use a compressor it wont do the job, i think what you need is a
    High-volume, low-pressure (HVLP) paint sprayer, do a Google on them and see.
    Let me know how you get on.

    best of luck
     
    nice1, Sep 22, 2007
    #4
  5. 405 TD Estate

    Piers James Guest

    "405 TD Estate" <> wrote in message
    news:...
    >I would like to paint the outside of the rear of my house (front
    > already done when I moved in) and have a compressor and spray gun.
    >
    > The gun is very poor at spraying thick paint or even fencing paint/
    > protector.
    >
    > What do i need to spray thick paint? Would a spray gun with the bottle
    > on top of the gun work? (the bottle is on the bottom of my gun)
    >


    You'll need an HVLP system, and a very expensive one at that. I looked into
    it, and spoke to Leyland (I bought their paint) about spraying it,
    specifically thinning it for spraying, and they said "don't thin it, you'll
    ruin the paint properties".

    I then spoke to a manufacturer about suitable sprayers, and they said that
    despite some of their literature claiming to be able to spray masonry paint,
    they really couldn't, however they were launching a new model that could -
    £400!!!!

    Have spent more paying someone else to do it manually, but have saved myself
    the time and hassle, probably used less paint and got a better job to boot.
     
    Piers James, Sep 23, 2007
    #5
  6. bought a 600w HVLP sprayer from Ebay and it can spray fencing paint OK
    though may need a bit of thinning however opening a tin of masonry
    paint it would have no chance - if I thinned it so i could spray it
    (probably requiring at least one or 2 parts water to 1 part paint) i
    dont think it would set properly.

    I've done the job with a masonry brush - slow it took 2.5 days for the
    back of the house only but it's a good job and aside from it being
    whiter than i wanted due to poor color labels by dulux it looks nice.
    Next time I would investigate a masonry roller it may be quicker but I
    would suspect use more paint since you can't really work the paint in
    very well like you need to with a masonry brush. All in all took 5
    tins or 10l paint to do the back of the house - it's pebble dashed =
    £100 and borrowed scaffolding off a neighbour.
     
    405 TD Estate, Oct 23, 2007
    #6
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