The international building code specifications for a fire separation wall (NOT a "Firewall" as such) are pretty much like typical interior walls, with 1/2 or better gypsum board on both sides of framing. The door must be special, but all that's actually required is a 20 minute fire rating, which is available in many ordinary panel designs (just not the cheapest hollow door).
I was thinking about the Queen's Room closet an earlier contractor made. I was wondering if he followed any special requirements. But come to think of it, I think he tried to make an el-cheapo wall, and I insisted on a real framed wall for fire code reasons, then he showed me how good it was before sealing up.
I don't think he mudded the joints, which is not required by international building code according to that article, but could be required by local codes.
I was thinking about the Queen's Room closet an earlier contractor made. I was wondering if he followed any special requirements. But come to think of it, I think he tried to make an el-cheapo wall, and I insisted on a real framed wall for fire code reasons, then he showed me how good it was before sealing up.
I don't think he mudded the joints, which is not required by international building code according to that article, but could be required by local codes.
