Everything you ever wanted to know about repointing a chimney

Chimney Pointing: Balancing Safety and Aesthetics

Chimneys serve as both essential functional components and distinctive architectural elements. Ensuring their proper upkeep is paramount for both safety and aesthetics, and within this maintenance framework, chimney pointing emerges as a crucial factor.

What is Chimney Pointing?

Chimney pointing involves renewing mortar joints that hold chimney bricks together. Over time, weather and wear deteriorate mortar, leading to structural instability and potential water infiltration. Pointing replaces old mortar with fresh material, ensuring stability and preventing leaks.

Why Does It Matter?

  • Structural Strength: Deteriorated mortar can compromise the chimney’s stability, risking collapse or leaning.
  • Water Protection: Cracks allow water in, leading to damage and mold growth.
  • Leak Prevention: Pointing keeps water out, preventing interior leaks.
  • Enhanced Appearance: Renewed mortar improves the chimney’s overall look.

The Process

  1. Inspection: Assess the chimney’s condition, identifying mortar and brick issues.
  2. Preparation: Clean the chimney and remove debris for proper adhesion.
  3. Old Mortar Removal: Carefully extract damaged mortar without harming bricks.
  4. Applying New Mortar: Match original mortar’s colour and consistency, applying skilfully.
  5. Finishing: Shape and finish new mortar for desired appearance.


  • Safety Boost: Strengthening prevents collapse, safeguarding occupants.
  • Waterproofing: Enhanced resistance to water infiltration prevents damage.
  • Longevity: Proper pointing extends chimney life, saving replacement costs.
  • Improved Look: Fresh mortar rejuvenates appearance.
  • Energy Efficiency: Sealing gaps improves insulation, conserving energy.

In summary, chimney pointing is a crucial aspect of maintenance for safety and aesthetics. By addressing structural concerns and preventing water entry, chimney pointing extends both chimney and building life. Regular inspections and timely pointing ensure your chimney stays in top condition.