Fireplace Masonry Repair

A masonry wood-burning fireplace is the heart of an older home and, more often than not, its most neglected system. Heat cycling cracks firebrick, weather rusts the lintel and damper, and decades of fires erode the very joints that hold the fire where it belongs. We restore wood-burning fireplaces the way a craftsman approaches restoration — preserving what's sound, rebuilding what's failed, and returning the whole assembly to a standard you can light without a second thought. Because we run like a showroom for the hearth, a 1920s firebox in any home gets the same care we'd give a heritage property.

Most repairs begin at the firebox, because it absorbs the most punishment. We read the refractory mortar joints for the hairline failures that always open the decline — anything wider than 1/16" fails safety code — and re-butter them with high-temperature mortar. Cracked firebrick splits are cut out and reset individually rather than faced over, an eroded inner-hearth floor is relaid, and on factory-built fireboxes we swap cracked molded refractory back and side panels for manufacturer-matched parts. A firebox repaired to spec does more than look better: it controls the burn and shields the surrounding masonry from a fire it was never built to touch.

Above the firebox, the throat and damper are the second failure zone. A throat damper that won't seat bleeds heat all winter and won't close out drafts; we free, reseat, or replace the cast-iron plate and frame, repair the deteriorated throat masonry that seats it, and where the original is past saving, convert to a top-mounted energy damper that seals airtight at the cap. We replace rusted lintels — the steel angle spanning the opening — and repair the stair-step cracking that rust-jacking causes, because a sagging lintel is a structural problem hiding behind a decorative face.

Restoration also lives in the details that make a fireplace both usable and handsome again. We re-bed ash-dump doors flush in the firebrick, build or correct hearth extensions to the 16"/20" front and 8" side projection code requires, fit smoke guards to cure roll-out on oversized openings, hang custom tempered-glass doors to cut heat loss, and reset corbel courses where the firebox transitions into the flue. Soot-stained brick gets a proper TSP wash-down, and every job is staged with drop-cloth runners and HEPA containment so the restoration doesn't redecorate your living room in gray.

Before we call any wood-burning fireplace ready, we prove it draws. A smoke-puffer draft test confirms the flue pulls and exposes any smoke-chamber leakage, because the finest firebox in the world is worthless if the fireplace spills into the room. Where the system carries venting or liner faults that fall into our chimney-structure work, we flag them honestly rather than hand back a firebox that looks restored but won't burn safely.

This is patient, skilled work, and we neither rush it nor hide it. We show you what we found, separate the structural from the cosmetic, and rebuild to the standard that lets a real wood fire be the centerpiece it was built to be. Premium restoration means the next owner of your home inherits a fireplace that was done right the first time.