Summary With all three builds running behind schedule, the teams all rush to get ahead. Heather's daughter Reghan comes out to help with insulating the walls, John and Heather build a water catchment system but discover they aren't getting enough water pressure, and John installs the cabin's ridge caps on the slippery tin roof in the rain. Chris Maynard and team install his new roof rafters using a toy slack line, Chris later becomes an air taxi service in order to fly as much help out to his build site as he can, while Greg and Ivan wait on a delivery of a main deck beam lovingly nicknamed "Big Bertha," and Chris' windows are delivered by helicopter in a dilapidated crate that swings violently in the wind. Josh comes dangerously close to tipping over his forklift and knocking over a gable wall while trying to lift a 600 pound purlins and later discovers that the purlins have been installed incorrectly.

• Documentary