Parapet Roofing Assembly

Wind induced catastrophic roofing failures typically start when wind forces lift the roof edge and then peel back the entire roof system.

Parapet roofing assembly.

This is a tricky thing to execute and as such we design into the upper parapet assembly a pathway for drying via diffusion to provide some performance redundancy. Thermoplastic polyolefin tpo single ply roofing membranes are among the fastest growing commercial roofing products and have gained praise across the industry for their many performance and installation advantages. Protecting the cmu from bulk water during the parapet assembly is important. For all the control layers in this type of parapet ensure the front top and back of the cmu is treated to tie into the air barrier continuous insulation and water control from the roof to the wall systems.

Breather vent manufacturers and industry guidelines recommend breather vents be placed every 1 000 feet for roof surfaces with vapor retarders which is less than building code ratios. A parapet wall prevents flames coming up the exterior of a building from immediately igniting a combustible roofing membrane. When the wall is extended above the roof plane it can stop flames from coming up the exterior of the building and immediately igniting the roofing membrane. The requirements for weather protection ibc 1503 are fairly broad requiring roof decks covered with approved roof coverings much more detail is covered in the additional ibc sections regarding roofing and parapets.

A parapet wall can improve wind uplift resistance. The cantilevered mini parapet notice that air control layer continuity is achieved by wrapping the membrane over the building corner and then constructing the cantilevered portion of the parapet over the top of this. Why have a parapet roof. Contents types of parapet wallsclassification based on appearance 1.

A parapet wall is a low or dwarf wall built along the edge of the roof terrace walkway balcony etc. In the roofing provisions it is important to note that compliance with the manufacturer s approved instructions doesn t just affect a. View and learn more about epdm system details. Different types of parapet walls and their uses are discussed below.

100 dan road canton ma 02021 phone 1 800 451 2504 sales 1 800 576 2358. We offer a partnership and complete solution that lasts long after your project is finished. The airflow within these parapet wall vents also may reduce the insulation effectiveness within the ceiling or wall assembly because of convective loops. If you re thinking of roof restoration or roof replacement for a flat roof then these are some of the advantages of having parapets.

At firestone building products we offer more than just roofing and building solutions.