Cambridge Chimney Repairs Needed? It’s Not Difficult to Identify the Warnings

Evidence that a Cambridge home’s chimney needs repairs isn’t difficult to identify.

Bricks, or chips from bricks, on the ground next to the chimney. Discoloration of remaining bricks in the structure. Evident gaps between bricks. Efflorescence – a white, chalky powder – coating your Cambridge chimney’s exterior.

Inside the home, discoloration or efflorescence inside the fireplace is a red flag, too.

Each indicator might have a different cause. Hesitating to act isn’t smart, though. Issues can quickly worsen. The first step is a chimney and fireplace inspection by Butler Chimneys, the top chimney sweep company in Cambridge.

The commonality in nearly every chimney problem is water. Often the culprit is cracked or damaged flue tiles inside the chimney, which allow moisture to escape into the chimney cavity. If a water heater vents into the chimney, the situation can be far worse. Either way, problems start when moisture has direct contact with masonry.

Gaps in a chimney – from absent bricks, or failed mortar joints – are serious warnings. Cambridge rains can directly get inside the chimney cavity, making a bad situation far worse.

The first step is to confront root causes. If flue tiles have lost their structural integrity, putting in a stainless steel chimney liner typically stops internal moisture problems. The damage to the chimney remains, though.

Tuckpointing - grinding out and replacing deteriorated mortar – is occasionally all that’s required. Adding optional ChimneySaver water repellent tacks five years onto Butler Chimneys’ standard five-year warranty, guaranteeing a decade of protection from the elements.

If the source of water leakage is a damaged chimney crown, two options are available. A stainless steel chimney cap can be mounted atop the crown, forming an “umbrella” over the chimney. Or, if the crown is too damaged, a new one is poured.

If a chimney is beyond recovery, a full or partial rebuild is in order. A masonry project takes three to five days; for appliance chimneys, usually one day. You and your Cambridge neighbors can expect scaffolding to be erected, or a temporary rooftop construction station built.

The chimney is rebuilt with fresh bricks and new mortar to building code height. Butler Chimneys works to match colors of new bricks to originals; bricks can be stained, if needed.

A new 5-inch-thick concrete crown is poured on top. The crown employs a 2-inch overhang to keep water off the new chimney below. Your new chimney is as attractive as it is functional!

If you identify indicators of a deteriorating chimney, what’s the problem … and the fix? Only inspection by a qualified chimney company can tell. Time, though, is of the essence – contact Butler Chimneys before additional (or worse) symptoms appear!