Why polyurethane is outperforming PVC in exterior architectural details

The Finishes Begin | The Barrington House | Episode 6 (2012) · 23:44 · Video: This Old House · Watch at the source

In short: This episode captures the transition from structural work to the aesthetic finishes of the Barrington House. It explores the specific material choices that balance visual appeal with long-term durability.

The project moves into the finishing phase, featuring the installation of a deck made from Brazilian hardwood garapa and red cedar shingles arranged in a wave pattern. A key technical highlight involves the selection of decorative brackets; the team explains why polyurethane is the superior choice over PVC stock for exterior applications.

The episode also follows the collaborative design process as the team meets with designer Lisa Newman Paratore to review project components. It concludes with essential safety procedures, such as ensuring a licensed electrician completes final connections at the main electrical panel and garage.

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