Mark McCullough
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How to Repair a Concrete Sidewalk
The freeze-thaw cycle is wreaking havoc on a homeowner’s walkway, but This Old House mason Mark McCullough answers the call.
Understanding Chimney Caps
Mason Mark McCullough teaches host Kevin O’Connor about chimney caps, including what they do, how they work, and how to install them.
Deal Breakers When Buying a Home
Host Kevin O’Connor asks the team at Ask This Old House about the red flags that they might consider deal breakers in today’s real estate market. From foundations to rooflines, they list their top concerns.
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The Best Entry-Level Masonry Tools from a Pro
Mason Mark McCullough shows host Kevin O’Connor how a homeowner can build their own kit of masonry tools to tackle almost any project around their homes.
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How To Install an Iron Railing on Concrete Steps
Mason Mark McCullough helps a homeowner add a wrought-iron railing to his steps to make them safer for children and older adults.
How To Make a Brick Lintel Repair
Classic brickwork can last for centuries, but it will sometimes require a little bit of maintenance. When a homeowner’s lintel started to sag, they called mason Mark McCullough for help.
How to Clean Creosote from a Fireplace
Mason Mark McCullough helps a homeowner remove stubborn creosote from a brick fireplace.
How to Repair Flagstone Steps
Watch Ask This Old House Mason Mark McCullough help a homeowner repair their flagstone steps in the entryway, making them safe and stable.
How to Clean Hardscape
Mason Mark McCullough shows host Kevin O’Connor how to remove organic stains from hardscape like bluestone and limestone blocks and pavers.