Parapet Wall Flat Roof Ventilation

This video is about making a transition form a flat roof to a parapet wall with taracotta clay caps.

Parapet wall flat roof ventilation.

What is the best way of addressing the ventilation and weather barrier here. The 25mm batten space creates a clear airpath to the roof void below so reducing the possibility of condensation and mould growth. Provide venting to each wall cavity. Flat roof detail masonry cavity wall flat roof insulation above and between joists.

Ventilated parapet detail cold roof installation of a typical ventilated parapet detail with the dryseal flat roofing system on a cold roof construction. Diagram below explains the build up. If cavity is greater than 12 above roof insulation provide high low venting in each wall cavity. The following images provide examples of flat roof details.

I have short 12 parapet walls surrounding a flat roof house in zone 2a. Flat roof detail examples. Flat roof detail masonry cavity wall flat roof insulation above and between joists. Parapet detail masonry cavity wall flat roof with parapet insulation.

The parapet walls are connected to the attic i guess this would be termed ballon framed which is conditioned. Venting in wood framed parapets.