If cavity is greater than 12 provide high low venting in each wall cavity.
Roofing parapet wall.
The cure for parapetitus is continuity of the control layers and letting things move when they have to move.
While a roof parapet wall may seem like a small detail in the grand scheme of the entire building design it can actually change the dynamic of an entire roof both in terms of cosmetic detailing and safety.
Different types of parapet walls and their uses are discussed below.
A parapet wall is a low or dwarf wall built along the edge of the roof terrace walkway balcony etc.
And with the trend in rooftop gardening and entertaining parapets serve to save people from accidental falls.
Venting and roofing for parapet walls.
Provide venting to each wall cavity.
Can use round louvered soffit vents to limit bulk water intrusion if venting holes are in exposed location.
In commercial construction parapets are ubiquitous and they are often required.
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.
Venting in wood framed parapets.
Parapet walls can be constructed using different materials like reinforced cement concrete steel aluminium glass etc.