Do not know, but I would try it. Nothing ventured, nothing gained.
The application temperature is -40 deg F to 180 deg F.
Thanks for your question. We do not recommend using this item on flooring.
Thanks for your question. Using the Flash Mate for this purpose is not recommended.
Yes, this can be used on metal surfaces.
Thanks for your question. This product is made for flashing applications. Depending on how your chimney is designed, it could possibly work.