Karla when you make your torch area, may I suggest insulated the wall then sheetrock , then add Durarock or sometimes called Wonder board then your sheet metal. Dura rock is fire resistant its made of concrete and comes in large heavy sheets. I have it on my wall where I'm torching along with my torch table covered in it. You can even use this wonderboard on floors to fireproof them.
I used it on my torch area.
I then spray painted using a high high heat resistant black paint to paint my torch area back wall. The black helps me see my torch flame better.
Janet
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