Tommy and Nathan Repair a Porch Railing | This Old House

Moments in this video

1. 0:08–0:36 Assess Railing Damage From Stair Baluster Repair, Step 1: Assess Baluster Damage

   Begin by inspecting the porch railing for signs of damage. The video highlights extensive rot in the lower parts of the balusters and the bottom rail, particularly where moisture has accumulated. Feel the wood for softness or 'punk' texture, indicating rot. This initial assessment helps determine which balusters need full replacement and which might be salvageable with a partial repair.

2. 0:49–3:02 Cut and Prime New Baluster Components From Stair Baluster Repair, Step 3: Prepare New Baluster

   Once the damaged balusters are removed, prepare new wood stock for the replacement sections. Use a miter saw to accurately cut the wood to the required length for the new baluster bases or full baluster replacements. For optimal durability, especially for bases in contact with the ground or moisture, use pressure-treated material. After cutting, apply a generous coat of wood primer to all cut surfaces of the new wood, especially the ends. Back-priming helps seal the wood, protecting it from moisture intrusion and preventing future rot.

The guide that use this video

• Stair Baluster Repair