For further clarification:
Based on a few recommendations I read elsewhere I used GE All Purpose Silicone Caulk, not GE Silicone II. It really was almost a coin toss...both reportedly work well.
I didn't try toluene for lots of reason, but mainly because so many folks had good results with mineral spirits. Why reinvent the wheel?
I also put on one more coat last night to ensure full coverage and now I am really happy. The canopy was well worn and I am certain it will be leak proof now, not to mention reinforced to a fair degree. It really didn't make the fabric too stiff or heavy either.!
-------------- Nature exists with a stark indifference to humans' situation.
In another thread DIY Steve stated that GE Silicone II doesn't dissolve in mineral spirits, but is held in suspension/makes an emulsion when mixed with mineral spirits.
I want to recoat a large portion of a good tarp and I wondered if I could use something else that would make an actual solution of diluted silicon and then paint it, or even roll it on.
I checked the MSDS for GE Silicon II and it indicated Toluene will dissolve it.
Has anyone tried using this solvent to thin silicon sealant?
I'm not sure what thread you are referring to, but are you sure he's not just making a pedantic objection to improper use of terminology? I mean, what you want to do is make a thinner, easier-to-apply version of a readily available silicone sealant. That doesn't necessarily require "dissolving" the product.
I have done well over 200 tents with the GE II Silicone and the local equivalent by another brand, mixed with mineral spirit.
if it did not work I would have changed after a dozen or two.
At Tarptent Nevada City they do several hundreds of shelters that same way every year.
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