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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Is it possible to paint over silicone?
I'm half interested to know if it's possible to paint over silicone
sealant. The stuff that says "not suitable for over painting". It's not that important to me, I've tried to see if masonry paint will take. It's doing a pretty good job, the first coat was 'rejected' into streaks but the second has almost complete coverage and the third is looking good. I'm fairly sure CT101 (aka S/fix FT101) would do a good job if I tried. I'm wondering if anyone has tried any other primers/preps on silicone. -- Ed Sirett - Property maintainer and registered gas fitter. The FAQ for uk.diy is at http://www.diyfaq.org.uk Gas fitting FAQ http://www.makewrite.demon.co.uk/GasFitting.html Sealed CH FAQ http://www.makewrite.demon.co.uk/SealedCH.html Choosing a Boiler FAQ http://www.makewrite.demon.co.uk/BoilerChoice.html |
#2
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Is it possible to paint over silicone?
On Jun 24, 11:09 pm, Ed Sirett wrote:
I'm half interested to know if it's possible to paint over silicone sealant. The stuff that says "not suitable for over painting". It's not that important to me, I've tried to see if masonry paint will take. It's doing a pretty good job, the first coat was 'rejected' into streaks but the second has almost complete coverage and the third is looking good. I had pretty much identical experience with Farrow and Ball oil- eggshell and would expect the same with any oil paint. It would be interesting to know how the water-based acrylics do. |
#3
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Is it possible to paint over silicone?
On Wed, 25 Jun 2008 05:10:07 -0700, Martin Bonner wrote:
On Jun 24, 11:09 pm, Ed Sirett wrote: I'm half interested to know if it's possible to paint over silicone sealant. The stuff that says "not suitable for over painting". It's not that important to me, I've tried to see if masonry paint will take. It's doing a pretty good job, the first coat was 'rejected' into streaks but the second has almost complete coverage and the third is looking good. I had pretty much identical experience with Farrow and Ball oil- eggshell and would expect the same with any oil paint. It would be interesting to know how the water-based acrylics do. I could try a stadardall purpose acrylic primer, it would be 'rejected' on the first coat but like the masonry paint a couple of coats (each taking about 15 min to dry) might be quite good. -- Ed Sirett - Property maintainer and registered gas fitter. The FAQ for uk.diy is at http://www.diyfaq.org.uk Gas fitting FAQ http://www.makewrite.demon.co.uk/GasFitting.html Sealed CH FAQ http://www.makewrite.demon.co.uk/SealedCH.html Choosing a Boiler FAQ http://www.makewrite.demon.co.uk/BoilerChoice.html |
#4
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Is it possible to paint over silicone?
On Jun 25, 8:08*pm, Ed Sirett wrote:
On Wed, 25 Jun 2008 05:10:07 -0700, Martin Bonner wrote: On Jun 24, 11:09 pm, Ed Sirett wrote: I'm half interested to know if it's possible to paint over silicone sealant. The stuff that says "not suitable for over painting". It's not that important to me, I've tried to see if masonry paint will take. It's doing a pretty good job, the first coat was 'rejected' into streaks but the second has almost complete coverage and the third is looking good. I had pretty much identical experience with Farrow and Ball oil- eggshell and would expect the same with any oil paint. *It would be interesting to know how the water-based acrylics do. I could try a stadardall purpose acrylic primer, it would be 'rejected' on the first coat but like the masonry paint a couple of coats (each taking about 15 min to dry) might be quite good. But would they last long, with silicone being so soft? NT |
#5
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Is it possible to paint over silicone?
On 25 Jun, 20:08, Ed Sirett wrote:
[...] I could try a stadardall purpose acrylic primer, it would be 'rejected' on the first coat but like the masonry paint a couple of coats (each taking about 15 min to dry) might be quite good. If I'm right in my interpretation of your word "rejected" - i.e. that the paint cissed, then I suspect that any adhesion you might think you're achieving would be illusory. The paint might stay there due to gravity and inertia, but would have no resilience. Just my 02p Edward |
#6
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Is it possible to paint over silicone?
On Thu, 26 Jun 2008 06:46:00 -0700, teddysnips wrote:
On 25 Jun, 20:08, Ed Sirett wrote: [...] I could try a stadardall purpose acrylic primer, it would be 'rejected' on the first coat but like the masonry paint a couple of coats (each taking about 15 min to dry) might be quite good. If I'm right in my interpretation of your word "rejected" - i.e. that the paint cissed, then I suspect that any adhesion you might think you're achieving would be illusory. The paint might stay there due to gravity and inertia, but would have no resilience. Just my 02p Edward You're probably right. The problem is that the low modulus frame sealant has been badly applied and some is on the rend of the window reveal. From a weatherproofing POV the silicone will do just fine but it would be better if the render all had the same colour. If the matter becomes an issue I'll just spread a thin coat of CT1 over it further thinned by Desolvit and over-paint the next day. -- Ed Sirett - Property maintainer and registered gas fitter. The FAQ for uk.diy is at http://www.diyfaq.org.uk Gas fitting FAQ http://www.makewrite.demon.co.uk/GasFitting.html Sealed CH FAQ http://www.makewrite.demon.co.uk/SealedCH.html Choosing a Boiler FAQ http://www.makewrite.demon.co.uk/BoilerChoice.html |
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