Follow on from Wesley Knight’s recommendation. I’ll try anything “once” so gave the Ronseal Primer Undercoat a whirl.
Available online, Ronseal Wood Primer Undercoat is a water-based primer used on internal woodwork. You can use it on bare timber, or previously painted. Tin sizes are 1L, 2.5L and 5L. Drying time is a couple of hours, but leave it three or four hours before recoating if you have used it on previously painted surfaces. You can apply this paint with a brush, roller, or sprayer.
My Ronseal Wood Primer Undercoat Review
Got to say this paint is great! Brushed the windows and the opacity is as good as, if not better than the Jonnos Aqua undercoat I normally use, except it doesn’t ruin your brushes.
Then I sprayed it… and I can honestly say it’s as nice to spray as Tikkurila’s products and it’s absolutely solid. I’ve always used Joncryl to spray or Aqua by brush. This stuff cuts out the complication of needing multiple products for the best results. The opacity is good and it doesn’t leave brush marks like some of the other primers do.
I was honestly surprised at the quality of Ronseal One Coat Wood Primer. As a decorator, I’m programmed to avoid retail products, but this is as good as any trade primer on the market.
Review summary
Ronseal Wood Primer Undercoat Review - Decorator's forum UK
A water-based primer used to coat bare wood, or to block strong colours on previously coated surfaces.
Product Brand: Ronseal
4.5
Pros
- Sprays well.
- Easy to use.
- No brush marks.
- Good opacity.
- Cheap.
Cons
- No available in a range of colours.
- Doesn’t block knots.
FAQs
Do I need to paint over primer and undercoat?
Primer and undercoat aren’t designed to be left exposed, so if you don’t paint over, it will soon start to look grubby, and the colour will fade. It doesn’t cope well with UV either.
How many layers of primer undercoat?
One coat of primer is usually enough unless you’re going for a strong colour change.
Should I sand after primer?
Yes, always apply the primer before sanding. This seals the wood, so sanding afterwards creates a smooth surface ready for additional coats of paint.
Does primer have to be perfect before painting?
Primer handles the adhesion and, in some cases, the opacity (covering power of the paint). You don’t need to achieve a solid colour with the primer, but you should avoid brush and roller marks if you can.
How long to leave undercoat before painting
Oil-based undercoat should be left for 16 hours before painting over. Water-based undercoat can be anywhere from 30 minutes to 6 hours depending on the product. Ronseal Wood Primer Undercoat should be left 4 hours before you paint over it.
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