You are reading a single comment by @hugo7 and its replies.
Click here to read the full conversation.
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.
hugo7
A stonemason used a sanding flap disc on our sandstone cills. It avoids the problem of ridges that Airhead mentions,
Although on concrete. Ick.
To repair, they built a form, and used chicken wire reinforcement. I'd be tempted to do similar with a concrete block, and maybe use reinforcement fibres rather than faffing with wire.