Pitched Roof Parapet Wall Detail

Roof detail drawings includes jpeg dxf and dwg cad via download a selection of roof detail drawings including flat roof details pitched roof details mansard roof detail parapet verge ridge and eaves details.

Pitched roof parapet wall detail.

Looking at a building from the ground a parapet may seem to simply be a design choice that adds little more than a characteristic look to a building. The most common mistake at this intersection is to allow the metal coping to but up to the wall without the application of termination metal. Introduction to green roof details a green or living roof is a flat or low pitched roof with a layer of planting over the. If a building has roof access that residents use regularly for whatever reason adding a parapet greatly decreases the chance that someone could fall over the.

When constructing the parapet wall it is most important to fit a quality dpc with weep holes. 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. It bridges the cavity and discharge in the same course as the lead sheet cover flashing to the gutter. If not fitted correctly dampness will attack the joist ends and show as damp stains on the internal wall at high level.

A critical and often overlooked design detail is at the termination of a parapet coping at a wall. The omittance of the termination metal leaves an opening at the top of the coping and allows for moisture infiltration at the space between the parapet. Parapet detail masonry cavity wall flat roof with parapet insulation above joists. Parapet detail masonry cavity wall flat roof with parapet insulation above joists.

The cure for parapetitus is continuity of the control layers and letting things move when they have to move.