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S20 E6, Mark McCullough visits a brickyard

How Bricks Are Made

Ever wondered how exactly bricks are made? From ingredients to color, mason Mark McCullough explains how bricks are made and what makes them unique.


How to Repair Damaged Fireplace Brick

Ask This Old House mason Mark McCullough replaces a chipped brick in a fireplace surround.


Home Inspection Nightmares | Crooked Chimney

Ask This Old House host Kevin O’Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, mason Mark McCullough, and carpenter Nathan Gilbert share more home inspection nightmares


How to Install Stacked Stone Veneer on a Fireplace

Ask This Old House mason, Mark McCullough, helps a homeowner update her concrete block, wood burning fireplace with a stacked stone veneer and a slab of stone.

Mason explaining to homeowner how to use mortar as a brick hole filler.

How to Fill a Hole in a Brick Wall

We show you how to fill a hole in a brick wall with mortar, matching bricks, and tools you can rent.

S20 E3, Mark McCullough demonstrates filling holes in brick

How to Fill Anchor Holes in Brick

Mason Mark McCullough teaches Kevin O’Connor how to patch holes in a tough surface.


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 Install a Metal Railing

Ask This Old House mason Mark McCullough installs a custom metal railing using anchoring cement


How to Match Mortar

Ask This Old House mason Mark McCullough explains how to match mortar for repointing jobs


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