You are reading a single comment by @Polygon 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.
Polygon
If the slab bridges the damp proof course in the walls - that'll do it.
Blocks could be beech no ?