Crumbling mortar around your chimney can lead to significant structural issues if not addressed promptly. Factors such as weather exposure, the type of mortar used, and the age of your chimney can all contribute to this problem. Repairing mortar involves assessing the extent of the damage, choosing the right materials, and understanding the techniques for effective application. It's essential to consider safety measures and potential costs associated with professional help versus DIY solutions. Curious about the best approach for your specific situation? Ask Improvi.ai for personalized guidance.