What's a "tear-off" roof?
 

Never heard of it. Did a google search, but all hits seem to be saying
that a tear-off roof is little more than tar paper.

Also, can anyone point me to a good illustration of how ice barriers
work?

TIA

This means the old roof must come off before new roof can be installed .Term
often in reference to flat roof(hot-mop tar) or composition
shingles-typically 3 layers of composition may be applied before a tear-off
and re-roof.
Todd

In article ,
"twiedeman" wrote:

This means the old roof must come off before new roof can be installed .Term
often in reference to flat roof(hot-mop tar) or composition
shingles-typically 3 layers of composition may be applied before a tear-off
and re-roof.
Todd

Thanks, that's very clear. I take it that a new tear-off roof would be a
pretty good selling point on an existing home, since the roof could be
rebuilt instead of replaced, is that right?

In article , lid wrote:
In article ,
"twiedeman" wrote:

This means the old roof must come off before new roof can be installed .Term
often in reference to flat roof(hot-mop tar) or composition
shingles-typically 3 layers of composition may be applied before a tear-off
and re-roof.
Todd

Thanks, that's very clear. I take it that a new tear-off roof would be a
pretty good selling point on an existing home, since the roof could be
rebuilt instead of replaced, is that right?

Exactly.