S46E21: Westford: Septic, Stairs and Subs

Kevin O'Connor checks in with Mauro Henrique about the new siding, which is ready for installation, but the trim needs final color approval. Inside, Heath Eastman is preparing to start wiring the kitchen. Richard Trethewey explains the septic system needs to be replaced. Charlie and Tom Silva rebuild the staircase and install the widow's walk railing, sealing posts to prevent leaks.