First off hope you are ok. Accident?? No good. Thanks for nice comments. Ok, the background is a thin durable rubber. It fits in easily and you screw it into place with 3/8 screws. I used stuff called Plastic Wood to cover the screws but you can't really see them anyhow. You can easily cut the spots for the vents. I still use thermostat cable the same as always. Put it through ® vent. You will use the same caulk sealer on the bottom of background that you did for your cage seams. It's a breeze. Sorry using I-Phone here so if I left something out I'll try to get back to you.