Parapet Wall Flat Roof Ventilation

What is the best way of addressing the ventilation and weather barrier here.

Parapet wall flat roof ventilation.

Do not lap tpo over top of parapet unless required by unique construction conditions. Height of roofing at wall. The perimeter of the roof assembly insulation is wrapped to prevent interstitial airflow from the parapet into the multilayered rigid insulation of the field of the roof. Ventilated parapet detail cold roof hambleside danelaw.

The parapet wall vent is made in white tan dark gray or gray pvc coated metal and may have any number of color combinations of pvc skirt material which makes it customizable to whatever membrane color option that customers have chosen for the field or wall. Max baker and stonewall jackson would be proud. The parapet walls are connected to the attic i guess this would be termed ballon framed which is conditioned. The following images provide examples of flat roof details.

Treat these short parapet walls as part of the conditioned attic and cover. Home products dryseal flat roofing trims and detailing drawings ventilated parapet detail cold roof. What is the best way of addressing the ventilation and weather barrier here. I have short 12 parapet walls surrounding a flat roof house in zone 2a.

The 25mm batten space creates a clear airpath to the roof void below so reducing the possibility of condensation and mould growth. Parapet ventilation for new construction attic area that provides a vapor retarder is 1sf ventilation per 300sf of attic area. The cure for parapetitus is continuity of the control layers and letting things move when they have to move. The parapet walls are connected to the attic i guess this would be termed ballon framed which is conditioned.

Top of parapet below cap to be sealed with fluid applied flashing. Minimum of 12 to top of parapet. Flat roof detail masonry cavity wall flat roof insulation above and between joists. Treat these short parapet walls as part of the conditioned attic and cover.

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

Where there is a parapet or an external wall abutment to the flat roof the fv250 ventilator can be used above a 150mm timber upstand battened off the wall by 25mm as shown below.