초록 ▼

A stack ban for sealing a pipe and boot extending from a roof of a building is disclosed. The stack ban includes a band of flexible material having a smooth inner surface and an outer surface. The inner surface has a circumference substantially equal to a circumference of the pipe and forms a seal b

A stack ban for sealing a pipe and boot extending from a roof of a building is disclosed. The stack ban includes a band of flexible material having a smooth inner surface and an outer surface. The inner surface has a circumference substantially equal to a circumference of the pipe and forms a seal between the pipe and boot. The stack ban is preferably secured in a place by a clamp threaded inside of the band and tightened during the installation process. The band is preferably made of neoprene rubber.

대표청구항 ▼

[ It is now claimed:] [1.] A method of sealing a pipe extending from a roof of a building with a stack ban, said stack ban comprising a clamp, tightening means, and sealing means, said method comprising the steps of:placing a boot over said pipe;placing said stack ban over said pipe;tightening said

[ It is now claimed:] [1.] A method of sealing a pipe extending from a roof of a building with a stack ban, said stack ban comprising a clamp, tightening means, and sealing means, said method comprising the steps of:placing a boot over said pipe;placing said stack ban over said pipe;tightening said tightening means to secure said stack ban to the pipe and to form a seal between the stack ban and the pipe;fitting said sealing means over said tightening means such that the sealing means surrounds the clamp and the tightening means; andengaging said stack ban with the boot to form a seal between the stack ban and the boot after the step of fitting said sealing means over said tightening means.