Selkirk 206465 Firestop Joist Shield, 6", #6T-JS 4thJuly or roll using a 1/2"–3/4"

or roll using a 1/2"–3/4" synthetic roller cover

"KARP" PLASTIC EASY ACCESS DOOR

Either way

Threaded steel rod

Selkirk 206465 Firestop Joist Shield, 6", #6T-JS 4thJuly or roll using a 1/2"–3/4"Required to assure ample fire protection when the chimney passes through an intermediate floor, an intermediate floor is 1 that does not include the location of the appliance nor an open attic, a typical application where a firestop joist shield should be used is where the appliance is installed in the basement of a 2 story house, as an example with the appliance installed in the basement, firestop joist shield should be installed between the first &