Ignoring deteriorated mortar leads to serious problems that cost thousands to fix. Water gets into the gaps, causing structural damage, interior leaks, and potential chimney collapse.In Suffolk County, the freeze-thaw cycle makes small problems bigger fast. Water enters cracks, freezes, expands, and creates larger cracks. What starts as minor mortar damage becomes major structural repair.You also face safety risks including carbon monoxide leaks and fire hazards. Compromised chimneys don’t vent properly, putting your family at risk. Early repointing prevents these dangerous situations.