Very interesting question Kenny. Not being a fan of fireworks at all I did not know the answer to this but I did a search and this is what I found. Fireworks are damp resistant for a short period of time, and it is only necessary to try and shelter the fuse in heavy rain.
But, not only that, it is relatively easy to make them waterproof so they can go off in the heavy rain. Gee, great.
When it comes to firework displays, preparation is everything, particularly when it comes to waterproofing. Although most of our products are damp resistant, it’s always best to cover them with at least a plastic bag for bare minimum protection. However, this is not always sufficient. Read the...