# Strengthening Historic Brick Masonry with Grouting and Hemp Ropes

Researchers studied how to reinforce aging brick masonry with spalling mortar joints using composite grouting and natural hemp fiber ropes. Tests showed the combined method improves compression behavior, offering a compatible technique for preserving heritage structures.

**Importance:** 3/5

## Sources

### Science
- [Nature](https://www.nature.com/articles/s41598-026-62547-7) — 2026-08-12