At hardware stores like Hornbach and Byggmax, you can buy facade boards that are already primed with an additional cost of between 50 and 75%. I have heard that in some cases it is only transport protection that is not suitable as a primer for water-based facade paint. What is the case with, for example, Hornbach's boards?
I also wonder if it's safe to paint with water-based topcoat directly on factory primer.
Panels should be primed if sold as such. Then, some turnkey houses are delivered with transport protection.
It depends on the paint brand and system you choose for painting. For example, a supplier of primed panels recommended using Nordsjö VX+ or Cuprinol Fasadfärg+ for finishing. Impregnation oil on all cut surfaces but no primer.
So, start from the paint system you will use or choose one that works to paint directly on primed panels.
It depends on the paint brand and system you choose for painting. For example, a supplier of primed panels recommended using Nordsjö VX+ or Cuprinol Fasadfärg+ for finishing. Impregnation oil on all cut surfaces but no primer.
So, start from the paint system you will use or choose one that works to paint directly on primed panels.
I have painted the white-primed boards I bought from Byggmax with water-based paint. Looks good so far.
However, if they are only primed, another coat might technically be appropriate (primer, intermediate coat, finishing coat), but that will come 'later' in my case.
However, if they are only primed, another coat might technically be appropriate (primer, intermediate coat, finishing coat), but that will come 'later' in my case.
MrH
Byggmax has the following prices for fine-sawn cladding boards:
22 x 95 mm 7.45 kr Primed 11.50 kr = + 54%
22 x 120 mm 8.95 kr Primed 15.50 kr = + 73%
Hornbach has similar prices. I chose to apply the primer myself. If I had chosen to buy primed boards, I would still have had to prime and paint all the end-grain.
Byggmax has the following prices for fine-sawn cladding boards:
22 x 95 mm 7.45 kr Primed 11.50 kr = + 54%
22 x 120 mm 8.95 kr Primed 15.50 kr = + 73%
Hornbach has similar prices. I chose to apply the primer myself. If I had chosen to buy primed boards, I would still have had to prime and paint all the end-grain.
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At my local XL, they recommend applying another coat of primer on the "pre-primed" surfaces... So what's the point. You get a slightly better protection if there's a delay with the painting... But then it would be better to try to find a place where you can do the priming yourself...
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Since all facade wood on the Swedish market is sapwood in class E (worst possible that is not even suitable for packaging), one can understand that the building supply recommends extra penetrating paint.
In the past, they used proper wood and in some cases, left it unpainted and yet it lasted for more than a hundred years.
In the past, they used proper wood and in some cases, left it unpainted and yet it lasted for more than a hundred years.