In Texas, masonry doesn't fail from frost — it fails from sun and water. UV crazes the crown, heat cycles work the mortar joints loose, and then a DFW storm drives rain through every crack that's opened. Water reaches the brick, and the damage accelerates with each storm season it's left alone. Repair work resets that clock.
Tuckpointing grinds each failing joint to sound depth and repacks it with mortar matched to your brick. Crown work seals the top slab against UV and repairs the drip edge. Flashing gets re-set in aluminum or lead-coated copper — never plastic, never rubber. Everything is photographed before and after. And if the damage points to something bigger — a crown too far gone for a patch — you get the honest read and both prices in writing, including what a full rebuild costs.