Honestly, didn't notice. I'm not wired for social interaction. Nothing to apologize for.
Some posters do get under my skin from time to time, but its generally because they ask for help, then insist they know better, in spite of all evidence. In your case, I was the third? poster commenting...
If you were going heat bulb, I'd suggest pointing it at one or two of the slab sided 5 gallon water cans or similar, and using some pvc off those to provide water to your birds inside the coop, so they do dual purpose - slow temperature changes in the coop/provide a heat source in case of power...
Insulation and ventilation work to cross purposes. But if you need supplemental heat for your Serama, I would definitely recommend a heat plate for both safety and efficiency over a radiant heat design like a heat bulb. While cheaper, the fire hazards are much greater and the efficiency is much...
Ventilation is MUCH more important than insulation. 0 isn't particularly cold for chickens. I'd recommend against, focus on fixing the water damage and adequately ventilating that shed.