#exteriorenvelope

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More barge flashing cut details.

Replacing barge flashing.

Barge flashings and apex flashing installation.

Materials - h1.2 90x45mm pine, 90mm galv nails, damp proof course (packing)

We decided to set window/stacker door heights same as horizontal join in cladding so we could have a continuous z flashing that acted as a head and join flashing. We used flexible flashing tape and stainless steel nails to fix flashing in place. We also ran a bead of silicone along the top of joinery to further prevent any water getting into the building.

Laying trapezoid styleline roofing sheets because roof pitch is 3°. Each sheet was lapped opposite to the prevailing winds and parallels were constantly checked to ensure sheets were running square to each other. Duck beak pliers were used to create upstands at the apex and at the bottom of sheets a slight angle was used to ensure no build up of water. 

Installing rafters for rasied pitch roof plane. Pitch was been raised from 15° to 3°. Rafters are all 240mmx45mm h1.2 pine. We used 90x45mm purlins to allow for a longer cantilever span. Strap bracing was installed We laid self supporting roofing underlay horizontally, ensuring laps where at least 150mm and we worked form the bottom up.