Am I right in thinking that for those occasions when you'd need to install a tube, you'd also need to patch/boot the tyre because it's got a fairly large hole in it that the sealant can't deal with?
As above, not always. Those two tyres I ruined with pinches were fine with tubes, no boot needed.
@M_V started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Am I right in thinking that for those occasions when you'd need to install a tube, you'd also need to patch/boot the tyre because it's got a fairly large hole in it that the sealant can't deal with?