Try checking a video demo on youtube, or even google you just have to type in the model number of the product and let those sites search for what you need :)
Your bubble wrap might have amplified the heat, like a magnifying glass effect. You can try wrapping it with a used paper as an alternative to bubble wraps.
Try sealing all possible leaks with sealant. I also think that the rain gutter might not be able to heavy rain waters try reinforcing your rain gutter.