ok i had to remove the exsisting fireplace insert, and now there is just the flue and big emty hole, no brick, nothing, just studs and insulation. question i have a wood burning stove with blower i can buy, a Appalachian Stove 30 cd. is there a way i can make this work? does there need to be some kind of covering for the insulation and studs? please any help would be great!