Flashings and Valleys on Slate Roofs in Ballarat

What flashings and valleys on slate roofs in Ballarat actually involves

The sheet says the battening and nailing system, and the materials proposed for flashings and valleys, should be documented as part of the application. Traditionally, lead flashings were used. The sheet notes that lead flashing today can raise occupational health and safety concerns, especially where rainwater is collected for drinking. It says galvanised steel flashings can be an acceptable alternative in most situations. The sheet is dated July 2023.

Which regime flashing falls under

Roof plumbing, which includes gutters and flashings, is a separate Victorian regime from domestic building work, and this site has not read it. This page therefore says nothing on who may fit flashings; ask whoever quotes which registration covers them.

Ask what the flashings and valleys in the quote are made of, and whether any lead is kept or replaced.

Flashings and Valleys on Slate Roofs in Ballarat — common questions

Is lead flashing still used on slate roofs?

Traditionally, lead flashings were used. The sheet notes that lead flashing today can raise occupational health and safety concerns, especially where rainwater is collected for drinking.

Is there an alternative to lead?

It says galvanised steel flashings can be an acceptable alternative in most situations.

What should an application document?

The sheet says the battening and nailing system, and the materials proposed for flashings and valleys, should be documented as part of the application.