Preparing silicone for seam sealing

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Preparing silicone for seam sealing

Postby Franco » Thu 01 Apr, 2010 7:09 am

Did this clip yesterday after I read more comments about some having difficulty mixing silicone and turpentine (mineral spirit)
This is for people that need to seam seal tarps/tents or indeed Tarptents.
Very simple, no special bits required.

This is a 2 minute video clip :
http://video.yahoo.com/watch/7248563/18899600

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Re: Preparing silicone for seam sealing

Postby Tony » Thu 01 Apr, 2010 8:26 am

Hi Franco,

Thanks for the video, love the background music, did you hire a live band for the occasion.

There are many types of silicon, what type of silicon do you use.

I use Dow corning RTV 732 Silastic, and after some test mixing with terps and shellite, I found shellite made a better mixture, but the mixture in the pot dries very quickly and needs to have the shellite kept up to it.

Tony
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Re: Preparing silicone for seam sealing

Postby Franco » Thu 01 Apr, 2010 9:57 am

Hi Tony
That particular silicone was actually just window sealant, not the 100% stuff.
For the purpose of the video it works the same and not only it is cheaper I also had some around....
Mostly I have used the GE branded one but the last few tents I did with a Selleys 100% clear silicone, the 75g tube.
I have always used turp, but others do use Shellite or generic "white spirit".
Typically I make what I can use within 20 min to half an hour, then, if needed, I make another lot.
The weird part about this is that people use drills to mix or shake the two in a jar for ages and stuff like that. However it really is just like making a sauce or gravy. You start with the solid and add a little bit of liquid as you mix it in.
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Re: Preparing silicone for seam sealing

Postby kanangra » Thu 01 Apr, 2010 11:03 am

Guys, do you paint the stuff on with a brush to say seal a tent floor? I've only used silnet and it comes out thick as applied to seams?

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Re: Preparing silicone for seam sealing

Postby photohiker » Thu 01 Apr, 2010 11:51 am

Also note that you can get Diggers low-odor Turps from Bunnings now. It still smells, but nothing like the full house stink of the normal stuff.

I avoided the silicone mixing on my Scarp with some Permatex Flowable Silicone Windscreen and Glass sealer. Nice stuff, even I was actually able to make a smooth job of it. :)

Kanangra, if you're sealing the whole floor, this page might help.
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Re: Preparing silicone for seam sealing

Postby kanangra » Thu 01 Apr, 2010 2:29 pm

Great link that. Thanks.

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