Crawl Space Insulation in Truxtun, Portsmouth

Truxtun's place in history is secure: America's first federal housing project built for African American workers, raised in 1918 for the shipyard families whose labor carried the First World War effort, and honored today on the National Register of Historic Places. The 250-plus homes of the district were built solidly enough to reach their centennial — pier foundations, quality lumber, and craftsmanship that still shows.

The crawl spaces under those historic homes have worked a hundred years without upgrades: earth floors over shipyard-district lowland, brick piers laid by wartime crews, framing that has absorbed every humid Portsmouth season since 1918. Where owners added sub-floor insulation in later decades, the damp has claimed most of it — and the familiar symptoms travel upstairs: cool floors, musty rooms, hardwoods that swell each summer.

Truxtun's homes have earned careful work, and that's what we bring: heavy vapor barrier sealed over the century-old earth, failed material out, fresh sub-floor insulation properly supported between original joists, ventilation corrected. One to two days under the house, complete photo documentation, and another century of protection for homes that made history.