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This Old House S46E18 — Westford: Under a New Roof

7.3

This Old House•Season 46•Episode 18

Westford: Under a New Roof

7.3/10 · 7 votesApr 3, 202525 min

Ranked #5 of 26 in Season 46•+0.4 vs season avg

Charlie and Tom Silva work in the attic, installing a hip beam and roof rafters to match the original roof. Downstairs, building scientist Joe Lstiburek discusses with Kevin O'Connor how insulating exterior walls can damage siding if energy flow isn't considered. Later, Mark McCullough brings

Previous episodeE17 · Westford: Welcome to Westford Next episodeE19 · Westford: Heavy Metal

Seasons48

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Season 46 Episodes26

Nashville: Welcome to Music City, USA still

Nashville: Welcome to Music City, USA

Nashville: Moving Day still

Nashville: Moving Day

Nashville: Grounded still

Nashville: Grounded

Nashville: A Grand Time at the Opry still

Nashville: A Grand Time at the Opry

Nashville: Sustainable Siding still

Nashville: Sustainable Siding

Nashville: Vince Gill's Nashville still

Nashville: Vince Gill's Nashville

Nashville: Shelter From the Storm still

Nashville: Shelter From the Storm

Nashville: Southern Hospitality still

Nashville: Southern Hospitality

Ridgewood: Ridgewood Revival still

Ridgewood: Ridgewood Revival

Ridgewood: Swiss Mix still

Ridgewood: Swiss Mix

Ridgewood: Colonial Revival Revived still

Ridgewood: Colonial Revival Revived

Ridgewood: Walled in Science still

Ridgewood: Walled in Science

Ridgewood: The Kitchen Front still

Ridgewood: The Kitchen Front

Ridgewood: Rocking Fountain still

Ridgewood: Rocking Fountain

Ridgewood: Sugar Maple Revival still

Ridgewood: Sugar Maple Revival

Ridgewood: Modern Flair still

Ridgewood: Modern Flair

Westford: Welcome to Westford still

Westford: Welcome to Westford

Westford: Under a New Roof still

E18 7.3Now viewing

Westford: Under a New Roof

Westford: Heavy Metal still

Westford: Heavy Metal

Westford: Abating the Old, Seeding the New still

Westford: Abating the Old, Seeding the New

Westford: Septic, Stairs and Subs still

Westford: Septic, Stairs and Subs

Westford: Side Hustle still

Westford: Side Hustle

Westford: Gutted and Rewired still

Westford: Gutted and Rewired

Westford: A Family Affair still

Westford: A Family Affair

Westford: Mural, Mural on the Wall still

Westford: Mural, Mural on the Wall

Westford: A Historical Gem Once Again still

Westford: A Historical Gem Once Again

Cast9

Kevin O'Connor

Kevin O'Connor

Self - Host

Tom Silva

Tom Silva

Self

Richard Trethewey

Richard Trethewey

Self

Jenn Nawada

Jenn Nawada

Self

Mauro Henrique

Mauro Henrique

Self

Mark McCullough

Mark McCullough

Self

Heath Eastman

Heath Eastman

Self

Charlie Silva

Charlie Silva

Self

Ross Trethewey

Ross Trethewey

Self

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Episode Summary

"Westford: Under a New Roof" is episode 18 of This Old House season 46. It scored 7.3/10 from 7 votes, ranking #5 of 26 episodes this season (season average 6.9). It aired on April 3, 2025.

Next: E19 · Westford: Heavy Metal Best of Season 46