With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
Tell us about yourself!
Silicon II has added stuff to it. I haven't tried this Ible but I know for a fact that Silicon II is different in it's properties then regular Silicon. Silicon II is considered a fast drying Silicon in the construction field. Anything that says "rainproof in X amount of minutes" is going to be a faster drying and not pure Silicon.
Join 2 million + to receive instant DIY inspiration in your inbox.
© 2016 Autodesk, Inc.