Mark McCullough
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How to Replace Glass Fireplace Doors
Ask This Old House mason Mark McCullough replaces a pair of outdated, malfunctioning fireplace doors
How to Cut Stone with Hand Tools
Ask This Old House mason Mark McCullough demonstrates various techniques for cutting stone with hand tools.
How Mount Rushmore was Created
Ask This Old House mason Mark McCullough learns about how Mount Rushmore was built.
How to Replace a Hearth with Slate Tile
Ask This Old House mason Mark McCullough replaces a common terra cotta hearth with slate tile.
How to Choose a Masonry Trowel
Ask This Old House mason Mark McCullough explains the purposes and uses for different types of trowels.
Open House | Wood Burning Fireplaces
Ask This Old House mason Mark McCullough explains what to understand when buying a home with a wood burning fireplace
How to Restore a Colonial-Era Beehive Oven
Ask This Old House mason Mark McCullough explains the history and function of Colonial-era beehive ovens and then restores one in a house built in 1750.
How to Work with a Contractor
Ask This Old House host Kevin O’Connor, general contractor Tom Silva, plumbing and HVAC expert Richard Trethewey, mason Mark McCullough, and carpenter Nathan Gilbert discuss the ways homeowners and contractors should communicate to set appropriate expectations for home improvement projects
Home Inspection Nightmares | Twisted Chimney
Ask This Old House host Kevin O’Connor, general contractor Tom Silva, plumbing and HVAC expert Richard Trethewey, and mason Mark McCullough share more home inspection nightmares
How to Refinish a Fireplace with Brick Veneer
In this DIY Smarts project, Ask This Old House mason Mark McCullough replaces a homeowner’s sloppy fireplace surround with a clean, thin brick veneer.