I am soooooo sorry if this has been asked before or if I am in the wrong place to ask this.
I am building an incubator that is 30 inches long by 19 inches wide with a slanted top that is 11 inches at one end and 22 inches at the other. With that being said, I want to use r-board (blue outdoor sheet insulation) as the insulation. Is this going to be alright for insulation or what maybe better that is cheap or free as I am building on a budget of like $0.00 or less.
I know that people are using coolers and fridges that are made with thick insulation in them already. I figured if I tripled the sheets that would equal to 3/8 inch thick that would be ok for insulation. I used 3/4 inch plywood for the walls and 2x2's for the framing. Yes its heavy, but I wanted to use it for a lot of hatches and possibly sell it and upgrade later. I want to use 2 40 watt light bulbs for heat also. Any help on this situation is appreciated greatly! Thanks.
Mine is a store bought one that doesn't hold as many eggs as you are wanting to hatch out. I have never built my own incubator, however here is a link that may help you to find what you are looking for:
https://www.backyardchickens.com/newsearch?search=homemade+incubators