Repaint House Interior Questions

Hi all,

This is regarding to whether or not I should scrap the old paint. The current color is Stone White and we want to repaint something grey (e.g. TeaHouse).

Long story: I found peeled paints in some places and decide to scrap them out. After scraping one and a half wall (which was easy), the rest is a pain in the a.. to scrap :( . So my questions are:

  1. Can I paint on a wall which has old paint on half of it ? What is the consequence? And are there any way to make a smooth and consistent (color) paint without scrap all of them?
    2 Let's say I manage to scrap old paint for 2 walls, and other 2 walls still have old paint. Do the color differ among them ?

I used Brishtish Paint from Bunnings btw

Thank you

Comments

  • +4
    • wipe and clean surfaces
    • fill in and sand uneven surfaces
    • paint.

    if the new colour is darker than the original.. should be ok.

    i

    • So th dark color won't differ between the parts which have old paint and the parts which are scraped off. Oh thanks god (and thank you for the infor 😁)

    • You need to prime filled spots before painting for best results. The repairs will be more obvious under glancing light if you don't prime first.

      OP, you only need to scrape loose stuff, the rest can remain. Two top coats will easily cover when going from a light to darker colour.

      • Yeah I agree if you've already had peeling I'd be using a good quality primer before top coating.

        • +1

          That certainly won't hurt, especially given OP seems to be saying more than half the wall peeled away, but I was mostly referring to any spot that's been filled and sanded. Those spots will absorb paint differently and remain visible from certain angles if not primed.

  • +2

    If there's any loose paint, then you should definitely scrape it off as you've done. Otherwise, the new paint will not adhere properly and it will flake off again.

    • Yes, half of a wall paint is easily peeled off (by hand). Another half is a thin layer of paint so it's really difficult to scrap even with a heatgun. So I just leave that half as it is and paint over. Im worried that half of the wall will have different color than the other half :(

      • +1

        I don't think there would be a difference of colour as long as you paint enough coats properly. However, it's good practice to sand the old painted areas so that the new paint adheres properly. The can should have instructions on how to prep the surface before painting.

  • +1

    I wouldn't be taking off any old paint beyond the immediate area that is peeling.

    Give it a light sand (assuming there is a discrepancy in the levels). Make sure you wear a mask that covers for paint/asbestos.

    Wash the walls

    Solid undercoat. If you don't buy a Once only paint, it will probably need 2 coats.

    Check your coverage. Then paint the top coats.

    Also, greys are on the outs. Palettes are moving to blue hues (23 colour is lavender, if you can believe it). Just incase you're painting for sale.

    • Good info.

      We r browsing ikea and like the idea of a dark living room with white furnitures. (btw, white furnitures are cheaper than other colors 😆).

      We paint our main resident, not for sale (for now). But it's good to have some practice when it's time to sell it 😁

      • Dark rooms are nice. Make the place look bigger. Consider dark green and blue. Both timeless.

  • Heat gun?
    There is also paint stripper?

    • Heat gun too loosen the adhesive. I will try paint stripper.

  • Using British Paint, why not Dulux?

  • -1

    If the slightest bit of light shines on it, dogs balls would be hanging unless perfect.

    The BLOCK has a lot to answer for. Painting is a TRADE for a reason.

  • +2

    When was it last painted?

    From awe.gov.au

    Before 1970, paints containing high levels of lead were used in many Australian houses. Exposure to lead is a health hazard. Even small amounts of dust or chips of paint containing lead, generated during minor home repairs, can be a health risk.

    Anyone painting a house or doing maintenance that could disturb paint containing lead should avoid exposing themselves and their families, neighbours or pets to its hazards.

    The recommended amount of lead in domestic paint has declined from 50 per cent before 1965, to 1 per cent in 1965. In 1992, it was reduced to 0.25 per cent, and in 1997 it was further reduced to 0.1 per cent.

  • +1

    With OP's username why not use Dulux?

    • You would think, aye.

    • Missus likes this color from BP so…

  • I just had my apartment interior painted.

    There was existing paint but they applied undercoat where needed and 2 coats of colour

    • If the existing paint is good, this is the way to go. Not only the exiting paint provides a smooth surface, it is less work to do

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