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Need help
Jan 13, 2015 12:15:56 GMT 10
via mobile
Post by Deleted on Jan 13, 2015 12:15:56 GMT 10
Hi peeps can anyone tell me what's the easiest way of getting silicone of my van and window frames ....
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Post by viscount6116 on Jan 13, 2015 12:33:16 GMT 10
Hi peeps can anyone tell me what's the easiest way of getting silicone of my van and window frames .... Gday Sparrow Ah the dreaded silicon ....usually involves lots of hard work , skun knuckles and spanner throwing However I was looking online and this Selleys product came up . I've never used it however maybe another member has or has an alternative method that is reasonably easy Cheers Andy www.selleys.com.au/sealants/silicone/remover/
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Post by Rattles on Jan 13, 2015 12:33:39 GMT 10
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Post by Deleted on Jan 13, 2015 16:58:59 GMT 10
Thanks guys. Looks like Sparrow has an excuse to go to the hardware store again
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Post by Deleted on Jan 13, 2015 21:52:16 GMT 10
Please be careful as this stuff contains sulfuric acid, which is not very nice stuff. While is might work on the bathroom silicon spare so thought to your painted surfaces. I am a little tired at present to do the chemical equation currently. But I cannot imagine it to be to good for your health or your aluminum.
The silicon I had on my van almost peeled away without too much effort. It cid consume a reasonable amount of time but the surface and aluminum was not damaged
cheers Tim
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Post by Rattles on Jan 14, 2015 7:03:23 GMT 10
Please be careful as this stuff contains sulfuric acid, which is not very nice stuff. While is might work on the bathroom silicon spare so thought to your painted surfaces. I am a little tired at present to do the chemical equation currently. But I cannot imagine it to be to good for your health or your aluminum. The silicon I had on my van almost peeled away without too much effort. It cid consume a reasonable amount of time but the surface and aluminum was not damaged cheers Tim Oldmad - Good Point, if you go the Silicone Route after removing Silicone wash well down with a strong solution of Washing Soda and Water, if small items immerse, then flush with plenty of water, The washing soda neutralises the sulphuric Acid. Rattles
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Post by tim on Jan 14, 2015 8:23:36 GMT 10
I've used a couple of different brands, Selleys and Dow Corning. Its magic stuff. Its best if you can scrape the worst of the silicone off first, but even if you can't it will soften up a reasonable thickness layer. If its really thick you may need to leave it for 24 hours or have two goes.
Tim
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Post by Deleted on Jan 14, 2015 10:01:12 GMT 10
I used sika flex. It's tough stuff so only use it if you want a permanent seal
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Post by atefooterz on Jan 14, 2015 15:41:17 GMT 10
The main difference between the commercial silicones is prep & how much humidity is required for a great bond, if the relative humidity is too dry they can be a bit like concrete, that has dried too fast without water & just crack & lift mostly via the tight top now set layer & the ooze below, (why many repairs fail) Apart from mild etching the sika uses oxygen to cure through the mix via a long polymer chain reaction, so a more even cure and less likely to curl, also why sika is worse for wanting to do a few jobs weeks- months apart, as it has usually cured in the tube before the need/motivation to do the next job arrises.
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Post by tedalley on Jan 14, 2015 22:51:05 GMT 10
Ive used the silicone remover - it worked but its expensive. I ended using wire brush on a drill ---- but remember ONLY USE WEIGHT OF DRILL (NO PRESURE and you will be tempted)
I did all windows and edging around my van - very time consuming but worth it. then clean with turps & sugar soap before re-applying sika-flex.
Before sealing don't forget to put the windows in place and put masking tape on walls and windows. Take windows out again. Apply sika-flex (use 2mm or 3mm ply as spacers between window & walls) and lightly pinch up screws. After an hour take out ply spacers and smooth sika around edge, filling gaps where ply was. Give another half hour and peel off tape using turps to clean any mess.
Leave about a week before pinching up screws any further --- remember that the sika will hold the windows in place without any screws.
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